MCSE 70-291 Exam Quiz Test 1

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Quizzes Created: 4 | Total Attempts: 2,260
Questions: 50 | Attempts: 1,164

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This practice test helps you prepare for Microsoftcertification exam 70-291, which counts toward MCSE certification. This practice test contains 50 questions, provided by Saurabh Singh.


Questions and Answers
  • 1. 

    Which of the following does not rely on certificates and public key cryptography?

    • A.

      SSL

    • B.

      EFS

    • C.

      IPSec

    • D.

      Workgroup security

    Correct Answer
    D. Workgroup security
    Explanation
    Workgroup security does not rely on certificates and public key cryptography. Workgroup security refers to the security measures implemented within a small group or network of computers that share resources and information. It typically involves the use of passwords, access controls, and user permissions to protect the network and its resources. Unlike SSL, EFS, and IPSec, workgroup security does not involve the use of certificates and public key cryptography for authentication and encryption purposes.

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  • 2. 

    Which protocol provides names and name resolution for workgroups in Windows?

    • A.

      NetBIOS

    • B.

      CIFS

    • C.

      DNS

    • D.

      Kerberos

    Correct Answer
    A. NetBIOS
    Explanation
    NetBIOS is a protocol that provides names and name resolution for workgroups in Windows. It allows computers on a local area network (LAN) to communicate with each other using names instead of IP addresses. NetBIOS enables the identification and location of resources, such as shared folders and printers, within a workgroup. It also facilitates the establishment of connections and the sharing of data between computers in a Windows network. NetBIOS is commonly used in older versions of Windows, but newer versions have transitioned to more modern protocols like DNS.

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  • 3. 

    Which of the following are automatically configured in Windows Server 2003?

    • A.

      Local area connections

    • B.

      Dial-up networking

    • C.

      Routing tables

    Correct Answer
    A. Local area connections
    Explanation
    In Windows Server 2003, local area connections are automatically configured. This means that when a network adapter is installed, Windows Server 2003 will automatically detect and configure the local area connection settings, such as IP address, subnet mask, and default gateway. This allows for easy setup and connection to a local network. Dial-up networking and routing tables, on the other hand, are not automatically configured and require manual configuration by the administrator.

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  • 4. 

    Which of the following components are automatically assigned to connections?

    • A.

      Client Service for NetWare

    • B.

      Network Monitor Driver

    • C.

      Client for Microsoft Networks

    Correct Answer
    C. Client for Microsoft Networks
    Explanation
    The Client for Microsoft Networks is automatically assigned to connections. This component allows the computer to connect to and communicate with Microsoft networks. It provides the necessary protocols and services for network communication, such as file and printer sharing. This component is essential for accessing resources on a Microsoft network and is automatically included in the network configuration.

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  • 5. 

          Which of the following features is not configurable through the Routing and Remote Access console?

    • A.

      Dial-up networking

    • B.

      Packet filtering

    • C.

      Internet Connection Sharing

    • D.

      Active Directory

    Correct Answer
    D. Active Directory
    Explanation
    The Routing and Remote Access console allows for the configuration of various features related to network connectivity, such as dial-up networking, packet filtering, and Internet Connection Sharing. However, it does not provide configuration options for Active Directory, which is a separate service used for managing and organizing network resources, such as users, groups, and computers. Therefore, the correct answer is Active Directory.

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  • 6. 

    Which of the following is a requirement for networking on a Windows Server 2003 network?

    • A.

      DHCP

    • B.

      Network protocol

    • C.

      WINS

    Correct Answer
    B. Network protocol
    Explanation
    A requirement for networking on a Windows Server 2003 network is a network protocol. Network protocols are essential for communication between devices on a network. They define the rules and procedures for transmitting data across the network. Without a network protocol, devices would not be able to communicate with each other effectively. DHCP and WINS are also important components of a network, but they are not specifically mentioned as requirements for networking on a Windows Server 2003 network in the given options.

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  • 7. 

          Which Windows component should you install if you want to set up DHCP, DNS, and WINS?

    • A.

      Management And Monitoring Tools

    • B.

      Networking Services

    • C.

      Other File And Print Services

    Correct Answer
    B. Networking Services
    Explanation
    To set up DHCP, DNS, and WINS on a Windows system, you should install the "Networking Services" component. This component includes the necessary tools and services for managing and configuring network-related functions such as DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), and WINS (Windows Internet Name Service). By installing the Networking Services component, you can easily set up and manage these essential networking services on your Windows system.

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  • 8. 

    You want your computer running Windows Server 2003 to interoperate with a NetWare network that contains servers running both NetWare 3.11 and NetWare 4.1. How should you configure the NWLink protocol to handle this situation?

    • A.

      Leave the protocol in Auto Detect mode.

    • B.

      Configure the frame type as 802.2.

    • C.

      Configure the frame type as 802.3.

    • D.

      Configure the Registry to allow both 802.2 and 802.3 frame types.

    Correct Answer
    D. Configure the Registry to allow both 802.2 and 802.3 frame types.
    Explanation
    To interoperate with a NetWare network containing servers running both NetWare 3.11 and NetWare 4.1, the NWLink protocol should be configured to allow both 802.2 and 802.3 frame types in the Registry. This will ensure compatibility with both versions of NetWare, allowing the Windows Server 2003 computer to communicate effectively with the NetWare network.

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  • 9. 

    Which of the following network features does not rely on a Public Key Infrastructure?

    • A.

      IPSec

    • B.

      File sharing

    • C.

      SSL

    Correct Answer
    B. File sharing
    Explanation
    File sharing does not rely on a Public Key Infrastructure. Unlike IPSec and SSL, which both use public key cryptography for secure communication, file sharing typically uses other methods such as access control lists, passwords, or encryption specific to the file sharing application. Public Key Infrastructure is primarily used for authentication, encryption, and digital signatures, which are not essential for file sharing.

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  • 10. 

    Which is the only layer of the TCP/IP reference model that does not contain any TCP/IP protocols?

    • A.

      The network interface layer

    • B.

      The internet layer

    • C.

      The transport layer

    • D.

      The application layer

    Correct Answer
    A. The network interface layer
    Explanation
    The network interface layer is the only layer of the TCP/IP reference model that does not contain any TCP/IP protocols. This layer is responsible for the physical transmission of data over the network and handles tasks such as encoding and decoding data into bits. It interacts directly with the hardware and network devices, such as network interface cards (NICs), to send and receive data. Unlike the other layers, which have specific protocols assigned to them, the network interface layer does not have any TCP/IP protocols associated with it.

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  • 11. 

    Which of the following TCP/IP protocols does not function at the internet layer?

    • A.

      IP

    • B.

      ARP

    • C.

      TCP

    • D.

      ICMP

    Correct Answer
    C. TCP
    Explanation
    TCP does not function at the internet layer. The internet layer is responsible for routing packets across different networks, while TCP operates at the transport layer and is responsible for establishing and maintaining reliable connections between devices. TCP relies on the services provided by the internet layer, such as IP, to transport its data packets. Therefore, TCP is not a protocol that functions directly at the internet layer.

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  • 12. 

    Which of the following is a transport-layer protocol?

    • A.

      IGMP

    • B.

      UDP

    • C.

      DNS

    • D.

      Ethernet

    Correct Answer
    B. UDP
    Explanation
    UDP (User Datagram Protocol) is a transport-layer protocol. It is a connectionless protocol that provides a simple and unreliable method of delivering datagrams from one host to another. UDP is often used for applications that require fast transmission and minimal overhead, such as real-time streaming or online gaming. Unlike TCP (Transmission Control Protocol), UDP does not provide error-checking, flow control, or retransmission of lost packets. Therefore, it is considered less reliable but faster than TCP.

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  • 13. 

    Which of the following services connect to UDP ports? (Choose all that apply.)

    • A.

      NetBIOS

    • B.

      DNS

    • C.

      Ethernet

    • D.

      Telnet

    Correct Answer(s)
    A. NetBIOS
    B. DNS
    Explanation
    NetBIOS and DNS are the services that connect to UDP ports. NetBIOS (Network Basic Input/Output System) is a protocol that allows applications on different computers to communicate over a local area network (LAN). It uses UDP for its transport layer protocol. DNS (Domain Name System) is responsible for translating domain names into IP addresses. It also uses UDP for communication between DNS servers and clients. Ethernet and Telnet are not services that directly connect to UDP ports. Ethernet is a networking technology, while Telnet is a protocol that allows remote login to a computer.

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  • 14. 

    What does the local host use to determine the destination network ID of a particular packet?

    • A.

      The IP header

    • B.

      The subnet mask

    • C.

      The address class

    Correct Answer
    B. The subnet mask
    Explanation
    The subnet mask is used by the local host to determine the destination network ID of a particular packet. The subnet mask is a binary pattern that is applied to the IP address to determine the network portion of the address. By comparing the IP address with the subnet mask, the local host can determine which network the packet belongs to. This allows the local host to properly route the packet to the correct destination.

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  • 15. 

    A host determines that the destination network ID of a packet is the same as its own network ID. What does the host do with the packet?

    • A.

      It broadcasts an ARP request to determine the Media Access Control (MAC) address of the destination host and transmits the packet on the local network.

    • B.

      It sends the packet to the server, which broadcasts the packet on the local network.

    • C.

      It sends the packet to the default gateway for delivery.

    Correct Answer
    A. It broadcasts an ARP request to determine the Media Access Control (MAC) address of the destination host and transmits the packet on the local network.
    Explanation
    When the host determines that the destination network ID of a packet is the same as its own network ID, it broadcasts an ARP request to determine the Media Access Control (MAC) address of the destination host. This is done to ensure that the packet is delivered to the correct host on the local network. Once the MAC address is determined, the host then transmits the packet on the local network using that MAC address. This allows for proper delivery of the packet within the local network.

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  • 16. 

    Which of the following is the dotted-decimal notation equivalent of the binary address 11001100 00001010 11001000 00000100? To answer the question, first perform notation conversion manually, and then verify your answer with Calculator.

    • A.

      204.18.200.3

    • B.

      204.34.202.4

    • C.

      204.10.200.4

    • D.

      202.10.200.4

    Correct Answer
    C. 204.10.200.4
    Explanation
    The given binary address can be converted to dotted-decimal notation by dividing it into four octets. The first octet is 11001100, which is equivalent to 204 in decimal. The second octet is 00001010, which is equivalent to 10 in decimal. The third octet is 11001000, which is equivalent to 200 in decimal. The fourth octet is 00000100, which is equivalent to 4 in decimal. Therefore, the dotted-decimal notation equivalent of the binary address is 204.10.200.4.

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  • 17. 

    Which of the following is the binary equivalent of the dotted-decimal address 207.209.68.100? To answer the question, first perform notation conversion manually, and then verify your answer with Calculator.

    • A.

      11001111 11010001 01000100 01100100

    • B.

      11000111 11010001 01000100 01100100

    • C.

      11001111 11010001 01000100 01101100

    • D.

      11001111 11010001 11001101 01100100

    Correct Answer
    A. 11001111 11010001 01000100 01100100
    Explanation
    The correct answer is 11001111 11010001 01000100 01100100. This is the binary equivalent of the dotted-decimal address 207.209.68.100.

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  • 18. 

    Your ISP has assigned you 2 Class C network addresses, 131.107.10.0 and 131.107.11.0, to accommodate your network’s 400 hosts. Which network address and subnet mask (expressed as a network prefix) can you assign to this address space so that your routers and hosts view these 2 networks as a single network?

    • A.

      131.107.10.0/23

    • B.

      131.107.11.0/24

    • C.

      131.107.10.0/22

    • D.

      131.107.11.0/22

    Correct Answer
    A. 131.107.10.0/23
    Explanation
    The given answer, 131.107.10.0/23, is correct because it represents a subnet mask of 23 bits, which allows for a larger number of hosts to be accommodated in the network. By using this subnet mask, both the network addresses 131.107.10.0 and 131.107.11.0 can be combined into a single network, as it provides enough address space for the 400 hosts required.

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  • 19. 

    Which of the following is most likely true for a computer with an IP address of 169.254.130.13?

    • A.

      The address has been configured manually.

    • B.

      The subnet mask of the address is 255.255.255.0.

    • C.

      No DHCP server is on the network.

    Correct Answer
    C. No DHCP server is on the network.
    Explanation
    The IP address 169.254.130.13 falls within the range of addresses reserved for Automatic Private IP Addressing (APIPA). APIPA is used when a computer is unable to obtain an IP address from a DHCP server. Therefore, it is most likely that there is no DHCP server on the network, leading to the computer using an automatically assigned IP address.

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  • 20. 

    You have configured an alternate static IP address for a computer as 192.168.0.1. However, when you run the Ipconfig utility, you see that the computer is reporting a different address. What is the most likely cause of this?

    • A.

      A DHCP server is assigning the computer an address.

    • B.

      Another manually configured address is taking precedence over the alternate address.

    • C.

      The computer has been assigned an APIPA address.

    Correct Answer
    A. A DHCP server is assigning the computer an address.
    Explanation
    Another manually configured address is taking precedence over the alternate address.

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  • 21. 

    Which of the following is not a requirement to capture frames from a network adapter on a remote computer?

    • A.

      Install the Network Monitor Driver on the remote computer.

    • B.

      Install the Network Monitor Driver on the local computer.

    • C.

      Install the full version of Network Monitor on the local computer.

    • D.

      Install the full version of Network Monitor on the remote computer.

    Correct Answer
    D. Install the full version of Network Monitor on the remote computer.
    Explanation
    To capture frames from a network adapter on a remote computer, the Network Monitor Driver needs to be installed on both the remote computer and the local computer. The full version of Network Monitor only needs to be installed on the local computer for analysis and viewing purposes. Therefore, the correct answer is "Install the full version of Network Monitor on the remote computer" as it is not a requirement to capture frames from a remote computer.

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  • 22. 

    Which session-layer interface is used to connect Client for Microsoft Networks to the TCP/IP protocol?

    • A.

      SMB

    • B.

      NetBIOS

    • C.

      NetBT

    • D.

      Browser

    Correct Answer
    C. NetBT
    Explanation
    NetBT (NetBIOS over TCP/IP) is the session-layer interface used to connect Client for Microsoft Networks to the TCP/IP protocol. NetBT allows the client to communicate with other devices on the network using the NetBIOS (Network Basic Input/Output System) protocol over TCP/IP. This enables the client to access shared resources, such as files and printers, on other devices in the network that also support NetBIOS. The NetBT interface handles the session establishment, data transfer, and session termination between the client and the TCP/IP protocol.

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  • 23. 

    You are the network administrator of a large company with headquarters in Boston and five branch offices throughout North America. The company has recently deployed a new network application that uses a distinct protocol called XTXA developed by your organization. The application package includes an Xtxa.dll file that enables Network Monitor to parse this proprietary protocol. You want to take advantage of this function so that you can troubleshoot and solve problems related to the application. Which steps must you perform so that you can capture and analyze XTXA traffic in Network Monitor? (Choose two.)

    • A.

      Copy the Xtxa.dll file to the \System32\Netmon folder.

    • B.

      Copy the Xtxa.dll file to the \System32\Netmon\Parsers folder.

    • C.

      Add an entry for the Xtxa.dll file to the \System32\Netmon\Parser.ini file.

    • D.

      Add an entry for the Xtxa.dll file to the \System32\Netmon\Parsers\Parser.ini file.

    Correct Answer(s)
    B. Copy the Xtxa.dll file to the \System32\Netmon\Parsers folder.
    C. Add an entry for the Xtxa.dll file to the \System32\Netmon\Parser.ini file.
    Explanation
    To capture and analyze XTXA traffic in Network Monitor, you need to perform two steps. First, you should copy the Xtxa.dll file to the \System32\Netmon\Parsers folder. This will enable Network Monitor to parse the proprietary protocol used by the application. Second, you need to add an entry for the Xtxa.dll file to the \System32\Netmon\Parser.ini file. This will ensure that Network Monitor recognizes and includes the XTXA protocol in its analysis. By completing these two steps, you will be able to troubleshoot and solve problems related to the application's network traffic.

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  • 24. 

    You cannot ping to a computer on a local subnet, even after you reboot the computer. What should you do next?

    • A.

      Check for hardware errors

    • B.

      Run Ipconfig with the /all switch.

    • C.

      Run Network Diagnostics in verbose mode.

    Correct Answer
    B. Run Ipconfig with the /all switch.
    Explanation
    Running Ipconfig with the /all switch will provide detailed information about the network configuration of the computer, including the IP address, subnet mask, default gateway, and DNS servers. By examining this information, you can verify if the computer has the correct IP address and subnet mask for the local subnet. If there is a misconfiguration, you can then troubleshoot and correct it accordingly.

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  • 25. 

    After changing the network card of a certain computer, you have found that you can no longer ping that computer from another computer on the local subnet. You have checked the TCP/IP configuration on both computers and find no errors. Both computers can also ping themselves successfully. Finally, you have also verified that the most recent version of the new NIC driver is installed and that Device Manager reports the device is working correctly. What should be your next step?

    • A.

      Check for errors in the ARP cache.

    • B.

      Perform a Network Monitor trace from the nearest router.

    • C.

      Run Ipconfig with the /all switch.

    Correct Answer
    A. Check for errors in the ARP cache.
    Explanation
    The next step should be to check for errors in the ARP cache. The ARP cache is used to map IP addresses to MAC addresses on a local network. If there are errors in the ARP cache, it could be preventing the computer from being pinged by other computers on the local subnet. By checking the ARP cache, any incorrect or outdated entries can be identified and cleared, allowing for successful communication between the computers.

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  • 26. 

    From a host named C1, you cannot ping another host named C2 that is located on the same subnet. You have examined the IP properties of both computers and have determined that neither computer contains TCP/IP configuration errors. Both computers can ping themselves, but only C2 can ping other computers. You have also verified that no errors exist in either computer’s IP-to-hardware address mappings. What should be your next step?

    • A.

      Check for hardware errors on C1.

    • B.

      Run Network Diagnostics.

    • C.

      Check for errors in the ARP cache.

    • D.

      Check for hardware errors on C2.

    Correct Answer
    A. Check for hardware errors on C1.
    Explanation
    The next step should be to check for hardware errors on C1. Since both computers can ping themselves and C2 can ping other computers, it suggests that there may be an issue with the network adapter or other hardware on C1 that is preventing it from successfully pinging C2. Checking for hardware errors on C1 will help identify and resolve any hardware-related issues that may be causing the problem.

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  • 27. 

    You are experiencing a delay when you connect to a remote Web site. Which tool allows you to determine whether particular routers are responsible for the delay?

    • A.

      Netdiag

    • B.

      Network Diagnostics

    • C.

      Tracert

    • D.

      PathPing

    Correct Answer
    D. PathPing
    Explanation
    PathPing is a tool that combines the functionality of both Ping and Traceroute. It provides information about the latency and packet loss at each hop along the network path. By using PathPing, you can determine whether particular routers are causing the delay by analyzing the round-trip time and packet loss statistics.

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  • 28. 

    The network you administer includes 10 computers running Windows Server 2003 and 200 computers running Microsoft Windows XP Professional. In the network, you have deployed a DNS server named DNS1 to host the zone lucernepublishing.com. You have also configured the zone to allow dynamic updates. A DHCP server is responsible for the IP configuration of all computers running Windows XP Professional. One of these computers, c1.lucernepublishing.com, can be contacted only by IP address and not by name. Which of the following actions can you take to reregister this computer in DNS? Choose all that apply.

    • A.

      Execute the Nbtstat –R command.

    • B.

      Execute the Ipconfig /registerdns command.

    • C.

      Shut down and restart c1.lucernepublishing.com.

    • D.

      Execute the Nbtstat /registerdns command.

    Correct Answer(s)
    B. Execute the Ipconfig /registerdns command.
    C. Shut down and restart c1.lucernepublishing.com.
    Explanation
    The correct answer is to execute the Ipconfig /registerdns command and to shut down and restart c1.lucernepublishing.com. By executing the Ipconfig /registerdns command, the computer will attempt to register its DNS records with the DNS server. Shutting down and restarting the computer will also trigger a DNS registration process. These actions will allow c1.lucernepublishing.com to reregister itself in DNS and be contacted by name instead of just by IP address.

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  • 29. 

    Which of the following is a legal NetBIOS computer name?

    • A.

      Host1.microsoft.com

    • B.

      Host1_local

    • C.

      Host10_microsoft

    • D.

      Host1-microsoft

    Correct Answer
    B. Host1_local
    Explanation
    The correct answer is "host1_local". NetBIOS computer names can consist of up to 15 characters and can include letters, numbers, and underscores. The name "host1_local" meets these criteria and is therefore a legal NetBIOS computer name.

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  • 30. 

    What is the root domain of a namespace containing the FQDN first.domain1.local.?

    • A.

      None. The namespace has no root domain.

    • B.

      Domain1.

    • C.

      Local.

    • D.

      “” (empty string).

    Correct Answer
    D. “” (empty string).
    Explanation
    The root domain of a namespace is the highest level domain in the hierarchy. In this case, the FQDN (Fully Qualified Domain Name) is first.domain1.local. The root domain is the part that comes before the first dot. In this case, there is no text before the first dot, so the root domain is an empty string.

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  • 31. 

    Which step does the resolver first perform to resolve a DNS name?

    • A.

      It checks its local cache.

    • B.

      It reads from the Hosts file.

    • C.

      It broadcasts the local subnet.

    • D.

      It queries the local DNS server.

    Correct Answer
    A. It checks its local cache.
    Explanation
    The resolver first checks its local cache to see if it already has the IP address associated with the DNS name. If the information is found in the cache, it can be quickly retrieved without needing to perform any further steps. This helps to improve the efficiency of the DNS resolution process by avoiding unnecessary network traffic.

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  • 32. 

    Your network computers are turned on for the first time after a power outage. When a DNS client first submits a recursive query to a local DNS server to resolve an Internet name for which the server is not authoritative, which step takes place first?

    • A.

      The DNS client resolves the name from its cache.

    • B.

      The DNS server resolves the name from its cache.

    • C.

      The DNS server forwards the recursive query to an upstream DNS server.

    • D.

      The DNS server contacts root servers configured in the Cache.dns file.

    Correct Answer
    D. The DNS server contacts root servers configured in the Cache.dns file.
    Explanation
    When a DNS client first submits a recursive query to a local DNS server to resolve an Internet name for which the server is not authoritative, the first step that takes place is the DNS server contacts root servers configured in the Cache.dns file. This is because the local DNS server does not have the requested information in its cache, so it needs to reach out to the root servers to start the process of resolving the name.

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  • 33. 

    Which resource record is used to resolve domain names specified in e-mail addresses to the IP address of the mail server associated with the domain?

    • A.

      PTR

    • B.

      MX

    • C.

      A

    • D.

      CNAME

    Correct Answer
    B. MX
    Explanation
    The resource record used to resolve domain names specified in e-mail addresses to the IP address of the mail server associated with the domain is the MX record. The MX record stands for Mail Exchanger record and it specifies the mail server responsible for accepting incoming e-mail messages on behalf of a domain.

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  • 34. 

    On a new DNS server, you create a zone “” and then create subdomains from that root domain. Which function will the new server be able or unable to perform?

    • A.

      The server will be unable to cache names.

    • B.

      The server will be able to function only as a forwarding server.

    • C.

      The server will be unable to resolve Internet names.

    • D.

      The server will be unable to connect to the Internet.

    Correct Answer
    C. The server will be unable to resolve Internet names.
    Explanation
    The server will be unable to resolve Internet names because it is not able to cache names.

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  • 35. 

    You administer a network that consists of a single domain. On this network, you have configured a new DNS server named DNS1 to answer queries for Internet names from the local domain. However, although DNS1 is connected to the Internet, it continues to fail its recursive test on the Monitoring tab of the server properties dialog box. Which of the following could be the potential cause for the failure?

    • A.

      You have configured DNS1 in front of a firewall.

    • B.

      DNS1 hosts a zone named “.”

    • C.

      Your root hints have not been modified from the defaults.

    • D.

      You have not configured DNS1 to forward any queries to upstream servers.

    Correct Answer
    B. DNS1 hosts a zone named “.”
    Explanation
    DNS1 hosts a zone named ".". This means that DNS1 is configured to be authoritative for the root zone, which is not allowed. The root zone should only be hosted by the root servers on the Internet. This misconfiguration is causing the failure of the recursive test on DNS1.

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  • 36. 

    Which of the following events could serve as a legitimate reason to modify (but not delete) the default root hints on the Root Hints tab of a DNS server properties dialog box? (Choose all that apply.)

    • A.

      The Internet root servers have changed.

    • B.

      The server will not be used as a root server.

    • C.

      You have disabled recursion on the server.

    • D.

      Your server is not used to resolve Internet names.

    Correct Answer(s)
    A. The Internet root servers have changed.
    D. Your server is not used to resolve Internet names.
    Explanation
    The first event, "The Internet root servers have changed," could serve as a legitimate reason to modify the default root hints. If the root servers have changed, the DNS server needs to be updated with the new root hints information to ensure proper resolution of domain names.

    The fourth event, "Your server is not used to resolve Internet names," could also be a reason to modify the default root hints. If the server is not being used to resolve internet names, it may not need the default root hints. Modifying the root hints in this case could help optimize the DNS server's performance and resources.

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  • 37. 

    You oversee administration for a wide area network (WAN) belonging to the Prose ware Company, which has one central office in Rochester and two branch offices in Buffalo and Syracuse. The network, which consists of one domain, has one primary DNS zone running on a Windows Server 2003 computer at the central office, and one secondary DNS zone at each branch.Network users are complaining that they often cannot connect to sites at remote branches. Administrators have determined that network bandwidth between the central office and a branch has become saturated with zone transfers, and that zone transfers are being initiated before they can complete. Which of the following steps would help resolve the problem with the least effort?

    • A.

      Install Active Directory on the network, and promote the servers hosting the secondary DNS zones to domain controllers.

    • B.

      Increase the network bandwidth by establishing a fiber-optic connection between the two sites.

    • C.

      Increase the refresh interval on the primary DNS server.

    • D.

      Increase the refresh interval on the secondary DNS servers.

    Correct Answer
    C. Increase the refresh interval on the primary DNS server.
    Explanation
    Increasing the refresh interval on the primary DNS server would help resolve the problem with the least effort. This would reduce the frequency at which zone transfers are initiated, giving more time for the transfers to complete before new ones are started. By increasing the refresh interval, the primary DNS server will not send zone updates as frequently, reducing the network bandwidth usage and alleviating the saturation issue. This solution does not require any additional hardware or configuration changes, making it the least effort option.

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  • 38. 

    You discover that an administrator has adjusted the default TTL value for your company’s primary DNS zone to 5 minutes. Which of the following is the most likely effect of this change?

    • A.

      Resource records cached on the primary DNS server expire after 5 minutes.

    • B.

      DNS clients have to query the server more frequently to resolve names for which the server is authoritative.

    • C.

      Secondary servers initiate a zone transfer every 5 minutes.

    • D.

      DNS hosts reregister their records more frequently.

    Correct Answer
    B. DNS clients have to query the server more frequently to resolve names for which the server is authoritative.
    Explanation
    The most likely effect of adjusting the default TTL value to 5 minutes is that DNS clients will have to query the server more frequently to resolve names for which the server is authoritative. The TTL (Time to Live) value determines how long a DNS record can be cached before it expires. By setting it to 5 minutes, the DNS clients will need to query the server every 5 minutes to get the most up-to-date information, increasing the frequency of queries.

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  • 39. 

    Which of the following is not a benefit of storing DNS zones in the Active Directory database?

    • A.

      Less frequent transfers

    • B.

      Decreased need for administration

    • C.

      Less saturation of network bandwidth

    • D.

      Secure dynamic updates

    Correct Answer
    A. Less frequent transfers
    Explanation
    Storing DNS zones in the Active Directory database does not provide the benefit of less frequent transfers. This means that the DNS zones would still need to be transferred regularly between DNS servers, regardless of whether they are stored in the Active Directory database or not.

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  • 40. 

    You are the network administrator for Lucerne Publishing. The Lucerne Publishing network consists of a single domain, lucernepublishing.com, which is protected from the Internet by a firewall. The firewall runs on a computer named NS1 that is directly connected to the Internet. NS1 also runs the DNS Server service, and its firewall allows DNS traffic to pass between the Internet and the DNS Server service on NS1 but not between the Internet and the internal network. The DNS Server service on NS1 is configured to use round robin. Behind the firewall, two computers are running Windows Server 2003—NS2 and NS3—which host a primary and secondary DNS server, respectively, for the lucernepublishing.com zone.Users on the company network report that, although they use host names to connect to computers on the local private network, they cannot use host names to connect to Internet destinations such as www.microsoft.com. Which of the following actions requires the least amount of administrative effort to enable network users to connect to Internet host names?

    • A.

      Disable recursion on NS2 and NS3.

    • B.

      Enable netmask ordering on NS1

    • C.

      Configure NS2 and NS3 to use NS1 as a forwarder.

    • D.

      Disable round robin on NS1.

    Correct Answer
    C. Configure NS2 and NS3 to use NS1 as a forwarder.
    Explanation
    Configuring NS2 and NS3 to use NS1 as a forwarder would require the least amount of administrative effort to enable network users to connect to Internet host names. By setting NS1 as a forwarder, NS2 and NS3 will forward DNS queries for external host names to NS1, which is directly connected to the Internet. This allows NS1 to resolve the queries and provide the necessary information to NS2 and NS3, allowing network users to connect to Internet destinations using host names. Disabling recursion on NS2 and NS3, enabling netmask ordering on NS1, or disabling round robin on NS1 would not address the issue of network users being unable to connect to Internet host names.

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  • 41. 

    You are the administrator for a large network consisting of 10 domains. You have configured a standard primary zone for the mfg.lucernepublishing.com domain on a DNS server computer named Server1. You have also configured a UNIX server, named Server2, to host a secondary zone for the same domain. The UNIX server is running BIND 8.2.1.You notice that zone transfers between the primary and secondary servers seem to generate more traffic than expected, putting a strain on network resources. What can you do to decrease the network burden of zone transfers between the primary and secondary servers?

    • A.

      Clear the BIND Secondaries check box on Server1.

    • B.

      Configure a boot file on Server1 to initialize BIND-compatible settings.

    • C.

      Select the BIND Secondaries check box on Server1.

    • D.

      Configure a boot file on Server2 to enable fast zone transfers.

    Correct Answer
    A. Clear the BIND Secondaries check box on Server1.
    Explanation
    Clearing the BIND Secondaries check box on Server1 will decrease the network burden of zone transfers between the primary and secondary servers. By clearing this check box, Server1 will not send zone transfer requests to any secondary servers, reducing the amount of traffic generated during zone transfers. This will help alleviate the strain on network resources.

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  • 42. 

    You are designing the DNS namespace for a company named Proseware, which has a registered domain name of proseware.com. Proseware has a central office in Rochester and one branch office each in Buffalo and Syracuse. Each office has a separate LAN and network administrator. You want to configure a single DNS server at each location, and you want the central office to host the proseware.com domain. In addition, you want the administrators in Buffalo and Syracuse to maintain responsibility for DNS names and name resolution within their networks. Which of the following steps should you take?

    • A.

      Configure a standard primary server in Rochester to host the proseware.com zone. Delegate a subdomain to each of the branch offices. Configure a secondary server in both Buffalo and Syracuse to host each of the delegated subdomains.

    • B.

      Configure a standard primary server in Rochester to host the proseware.com zone. Configure a secondary server in both Buffalo and Syracuse to improve performance and fault tolerance to the zone.

    • C.

      Configure the DNS server in Rochester to host a standard primary zone for the proseware.com domain. Configure the DNS servers in both Buffalo and Syracuse to each host a standard primary zone for a subdomain of proseware.com. Create a delegation from the DNS server in Rochester to each of these subdomains.

    • D.

      Configure the DNS server in Rochester to host a standard primary zone for the proseware.com domain. Configure the DNS servers in both Buffalo and Syracuse to host a standard primary zone for a subdomain of proseware.com. Add secondary zones on each DNS server to pull transfers from the primary zones hosted on the other two DNS servers.

    Correct Answer
    C. Configure the DNS server in Rochester to host a standard primary zone for the proseware.com domain. Configure the DNS servers in both Buffalo and Syracuse to each host a standard primary zone for a subdomain of proseware.com. Create a delegation from the DNS server in Rochester to each of these subdomains.
    Explanation
    The correct answer is to configure the DNS server in Rochester to host a standard primary zone for the proseware.com domain. Then, configure the DNS servers in both Buffalo and Syracuse to each host a standard primary zone for a subdomain of proseware.com. Finally, create a delegation from the DNS server in Rochester to each of these subdomains. This solution allows the central office in Rochester to maintain control over the main domain while delegating responsibility for the subdomains to the branch offices in Buffalo and Syracuse.

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  • 43. 

    You are the administrator for your company’s network, which consists of a central office LAN and three branch office LANs, all in different cities. You have decided to design a new DNS infrastructure while deploying Active Directory on your network. Your goals for the network are first to implement a single Active Directory forest across all four locations and second to minimize response times for users connecting to resources anywhere on the network. Assume that all branch offices have domain controllers running DNS servers. Which of the following actions best meets these goals?

    • A.

      Configure a single Active Directory domain for all four locations and configure a single Active Directory–integrated DNS zone that replicates through the entire domain.

    • B.

      Configure a single Active Directory domain for all four locations, and configure a standard primary zone at the central office with zone transfers to secondary zones at each branch office.

    • C.

      Configure an Active Directory domain and a DNS domain for the central office, delegate a DNS subdomain to each branch office, and configure an Active Directory–integrated zone in each location that replicates through the entire forest.

    • D.

      Configure an Active Directory domain and a DNS domain for the central office, delegate a DNS subdomain to each branch office, and configure an Active Directory–integrated zone in each location that replicates through the entire domain.

    Correct Answer
    A. Configure a single Active Directory domain for all four locations and configure a single Active Directory–integrated DNS zone that replicates through the entire domain.
    Explanation
    Configuring a single Active Directory domain for all four locations and a single Active Directory-integrated DNS zone that replicates through the entire domain is the best option to meet the goals of implementing a single Active Directory forest and minimizing response times for users. This configuration ensures that all domain controllers in each location have a copy of the DNS zone, allowing for faster access to resources anywhere on the network. Additionally, having a single domain simplifies management and reduces administrative overhead.

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  • 44. 

    Which of the following is not a benefit of using a stub zone?

    • A.

      Improving name resolution performance

    • B.

      Keeping foreign zone information current

    • C.

      Simplifying DNS administration

    • D.

      Increasing fault tolerance for DNS servers

    Correct Answer
    D. Increasing fault tolerance for DNS servers
    Explanation
    A stub zone is a copy of a zone that contains only the resource records necessary to identify the authoritative DNS servers for that zone. It does not store the entire zone's information. While stub zones provide benefits such as improving name resolution performance, keeping foreign zone information current, and simplifying DNS administration, they do not directly increase fault tolerance for DNS servers. Fault tolerance refers to the ability of a system to continue operating even in the event of a failure. Stub zones do not provide redundancy or backup for DNS servers in case of failure, so they do not increase fault tolerance.

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  • 45. 

    Which command should you execute at the Nslookup prompt to view all contents of the zone contoso.com?

    • A.

      Ls –d contoso.com

    • B.

      Ls –t contoso.com

    • C.

      Ls –a contoso.com

    • D.

      Ls –any contoso.com

    Correct Answer
    A. Ls –d contoso.com
    Explanation
    The command "ls -d contoso.com" should be executed at the Nslookup prompt to view all contents of the zone contoso.com.

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  • 46. 

    Which command should you execute at the Nslookup prompt to view a list of all SRV resource records in a domain?

    • A.

      Set q=srv

    • B.

      Set q=srv

    • C.

      Ls –t srv

    • D.

      Ls –d srv

    Correct Answer
    C. Ls –t srv
    Explanation
    To view a list of all SRV resource records in a domain, you should execute the command "ls -t srv" at the Nslookup prompt. This command sets the query type to SRV (service) and lists all the SRV resource records in the domain.

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  • 47. 

    Which of the following actions should you perform to enable name resolution for clients at the Syracuse branch? Assume that you want to keep or restore the default security settings for zone transfers.

    • A.

      Configure ns5.treyresearch.net to be notified of zone updates.

    • B.

      Add an A resource record to the treyresearch.net zone pointing to the computer ns5.treyresearch.net.

    • C.

      Configure the treyresearch.net zone to allow zone transfers to any server.

    • D.

      Add an NS resource record to the treyresearch.net zone pointing to the computer ns5.treyresearch.net.

    Correct Answer
    D. Add an NS resource record to the treyresearch.net zone pointing to the computer ns5.treyresearch.net.
    Explanation
    Adding an NS (Name Server) resource record to the treyresearch.net zone pointing to the computer ns5.treyresearch.net will enable name resolution for clients at the Syracuse branch. This record specifies that ns5.treyresearch.net is authoritative for the treyresearch.net domain and is responsible for resolving names within that domain. By adding this record, clients at the Syracuse branch will be able to query ns5.treyresearch.net for name resolution.

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  • 48. 

    The syr.treyresearch.net domain is configured as an Active Directory–integrated zone at the Syracuse branch office. The zone replication scope has been set to All DNS Servers in The Active Directory Forest. Which partition in Replication Monitor should you use to force replication of the zone data for the syr.treyresearch.net domain?

    • A.

      DC=treyresearch,DC=net

    • B.

      DC=ForestDnsZones,DC=treyresearch,DC=net

    • C.

      DC=ForestDnsZones,DC=syr,DC=treyresearch,DC=net

    • D.

      DC=DomainDnsZones,DC=syr,DC=treyresearch,DC=net

    Correct Answer
    B. DC=ForestDnsZones,DC=treyresearch,DC=net
    Explanation
    The correct answer is "DC=ForestDnsZones,DC=treyresearch,DC=net". This is the partition in Replication Monitor that should be used to force replication of the zone data for the syr.treyresearch.net domain. The reason for this is that the syr.treyresearch.net domain is an Active Directory-integrated zone, and the replication scope for the zone has been set to All DNS Servers in The Active Directory Forest. Therefore, the replication needs to occur within the ForestDnsZones partition, which is specific to the forest, rather than the DomainDnsZones partition, which is specific to the domain.

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  • 49. 

    Which of the following servers are eligible to be the first DHCP server on your network? (Choose all that apply.)

    • A.

      A Windows Server 2003 domain controller in an Active Directory network

    • B.

      A Windows 2000 Server workgroup server in a network with no domains

    • C.

      A Windows Server 2003 workgroup server in an Active Directory network

    • D.

      A Windows 2000 Server member server in an Active Directory network

    Correct Answer(s)
    A. A Windows Server 2003 domain controller in an Active Directory network
    B. A Windows 2000 Server workgroup server in a network with no domains
    D. A Windows 2000 Server member server in an Active Directory network
    Explanation
    The first DHCP server on a network can be any server that meets the requirements for hosting a DHCP server. In this case, the Windows Server 2003 domain controller in an Active Directory network, the Windows 2000 Server workgroup server in a network with no domains, and the Windows 2000 Server member server in an Active Directory network all meet the requirements and can be the first DHCP server on the network.

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  • 50. 

    A DHCP scope has been configured with the 003 Router option, which provides clients with the address of a default gateway. However, after running the Ipconfig /renew command and then the Ipconfig /all command at a computer named Client1, you find that this client is being assigned an IP address within the defined scope but not the address of a default gateway. Which of the following answers could explain this behavior?

    • A.

      Client1 has become disconnected from the network.

    • B.

      Client1’s IP address is acquired by means of a reservation at the DHCP server.

    • C.

      No scope options have been defined at the server level.

    • D.

      The scope has not been activated.

    Correct Answer
    B. Client1’s IP address is acquired by means of a reservation at the DHCP server.

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