Lesson 2: Planning Infrastructure Services

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Lesson 2: Planning Infrastructure Services - Quiz


Questions and Answers
  • 1. 

    To which type of server do client computers on the network send their DNS queries? 

    • A.

      DHCP servers

    • B.

      DNS servers

    • C.

      SMB servers

    • D.

      domain controllers

    Correct Answer
    B. DNS servers
    Explanation
    Client computers on a network send their DNS queries to DNS servers. DNS servers are responsible for translating domain names into IP addresses, allowing clients to access websites and other resources on the internet. By sending their queries to DNS servers, client computers can obtain the IP address corresponding to a specific domain name and establish a connection to the desired resource.

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  • 2. 

     What must at least one DNS server support when running Active Directory on your network?

    • A.

      DHCP Server service

    • B.

      Server Core

    • C.

      Service Location (SRV) resource record

    • D.

      Active Directory Services

    Correct Answer
    C. Service Location (SRV) resource record
    Explanation
    At least one DNS server must support the Service Location (SRV) resource record when running Active Directory on your network. The SRV record is used to locate domain controllers and other services in a domain. It allows clients to discover the available services and their network locations. Without the SRV record, clients would not be able to locate and connect to the necessary services in the Active Directory environment.

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  • 3. 

    There are many reasons for registering an Internet domain name. Which of the following is one of those reasons?

    • A.

      create email addresses

    • B.

      increase network performance

    • C.

      increase cache

    • D.

      FTP access

    Correct Answer
    A. create email addresses
    Explanation
    One of the reasons for registering an internet domain name is to create email addresses. When a domain name is registered, the owner can create personalized email addresses using that domain name. This allows individuals or businesses to have professional-looking email addresses that are associated with their own domain name, rather than using a generic email service provider. It also provides a sense of credibility and branding.

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  • 4. 

    What process is used when it is necessary for a computer to convert an IP address into a DNS name? 

    • A.

      name resolution

    • B.

      reverse name resolution

    • C.

      iterative querying

    • D.

      receiving querying

    Correct Answer
    B. reverse name resolution
    Explanation
    Reverse name resolution is the process used when a computer needs to convert an IP address into a DNS name. This process involves looking up the PTR (Pointer) record in the DNS system, which maps the IP address to its corresponding domain name. It is the opposite of normal name resolution, where a DNS name is converted into an IP address.

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  • 5. 

    The DNS server receiving a name resolution request can take full responsibility for resolving the name by using what type of query?

    • A.

      recursive

    • B.

      receiving

    • C.

      responding

    • D.

      resolution

    Correct Answer
    A. recursive
    Explanation
    When a DNS server receives a name resolution request, it can take full responsibility for resolving the name by using a recursive query. In a recursive query, the DNS server will contact other DNS servers on behalf of the client to find the requested information. It will continue to query other DNS servers until it obtains the final answer and then provide it back to the client. This allows the client to receive a complete resolution without having to make multiple queries to different DNS servers.

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  • 6. 

     What is the full DNS name for a particular computer called?

    • A.

      functional domain name (FDN)

    • B.

      Domain name (DN)

    • C.

      Qualified domain name (QDN)

    • D.

      Fully qualified domain name (FQDN)

    Correct Answer
    D. Fully qualified domain name (FQDN)
    Explanation
    A fully qualified domain name (FQDN) refers to the complete DNS name of a specific computer. It includes the host name along with the domain name, providing a complete and unique identifier for the computer within the domain. This allows for accurate and precise communication and addressing within a network.

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  • 7. 

    Which ID will identify all or part of a specific physical link on the subscriber’s network, which will enable subscribers to create as many subnets as needed?

    • A.

      Subnet ID

    • B.

      Subscriber ID

    • C.

      Provider ID

    • D.

      Registry ID

    Correct Answer
    A. Subnet ID
    Explanation
    The Subnet ID will identify all or part of a specific physical link on the subscriber's network, allowing subscribers to create multiple subnets as needed. This ID helps in organizing and managing the network by dividing it into smaller subnets, each with its own unique Subnet ID. This enables efficient allocation of IP addresses and improves network performance and security.

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  • 8. 

     Which ID will identify the ISP that assigns a portion of the address space to a certain subscriber?

    • A.

      Subscriber ID

    • B.

      Registry ID

    • C.

      Interface ID

    • D.

      Provider ID

    Correct Answer
    D. Provider ID
    Explanation
    The correct answer is Provider ID. The Provider ID is the identification of the Internet Service Provider (ISP) that assigns a portion of the address space to a certain subscriber. This ID is used to identify the specific ISP responsible for providing internet services to the subscriber.

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  • 9. 

    Which method is most frequently used for providing fault tolerance to DHCP servers? 

    • A.

      failover clustering

    • B.

      standby servers

    • C.

      splitting scopes

    • D.

      none of the above

    Correct Answer
    C. splitting scopes
    Explanation
    Splitting scopes is the most frequently used method for providing fault tolerance to DHCP servers. This involves dividing the available IP address range into multiple smaller ranges, each assigned to a different DHCP server. By doing so, if one server fails, the other servers can still provide IP addresses to clients, ensuring uninterrupted network connectivity. This method helps distribute the workload and provides redundancy, increasing the reliability and fault tolerance of the DHCP service.

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  • 10. 

    The DHCP relay agent capability is built into which role in Windows Server 2008?

    • A.

      Active Directory Certificate Services

    • B.

      Windows Deployment Services

    • C.

      Network Policy and Access Services

    • D.

      Active Directory Federation Services

    Correct Answer
    C. Network Policy and Access Services
    Explanation
    The DHCP relay agent capability is built into the Network Policy and Access Services role in Windows Server 2008. This role allows for the management of network policies and access controls, which includes the ability to relay DHCP requests and responses between clients and DHCP servers. By using the DHCP relay agent, network administrators can centralize the management of DHCP services and provide IP address configuration to clients across multiple subnets.

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  • 11. 

     There are many advantages to the distributed DHCP infrastructure. Which of the following is not an advantage?

    • A.

      Clients have ready access to their DHCP servers.

    • B.

      Clients have the ability to install and configure a large number of DHCP servers.

    • C.

      All client/server traffic is local.

    • D.

      There is no worry about DHCP traffic adding to the burden of routers.

    Correct Answer
    B. Clients have the ability to install and configure a large number of DHCP servers.
    Explanation
    The given answer states that "Clients have the ability to install and configure a large number of DHCP servers" is not an advantage of the distributed DHCP infrastructure. However, in a distributed DHCP infrastructure, clients do not have the ability to install and configure DHCP servers. DHCP servers are typically managed and maintained by network administrators or IT professionals. Clients only need to access the DHCP servers to obtain IP addresses and other network configuration information. Therefore, the given answer is correct in stating that this option is not an advantage of the distributed DHCP infrastructure.

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  • 12. 

    Which type of DHCP packet is used by servers to acknowledge a client’s acceptance of an offered IP address?

    • A.

      DHCPOFFER

    • B.

      DHCPNAK

    • C.

      DHCPACK

    • D.

      DHCPACCEPT

    Correct Answer
    C. DHCPACK
    Explanation
    DHCPACK is the correct answer because it is the DHCP packet used by servers to acknowledge a client's acceptance of an offered IP address. When a DHCP server receives a DHCPREQUEST packet from a client, it will send a DHCPACK packet to confirm that the client can use the offered IP address. DHCPACK also includes additional configuration parameters for the client, such as the subnet mask, default gateway, and DNS server addresses.

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  • 13. 

     Which of the following is not a message type defined by the DHCP communication protocol? 

    • A.

      DHCPACK

    • B.

      DHCPOFFER

    • C.

      DHCPACCEPT

    • D.

      DHCPNAK

    Correct Answer
    C. DHCPACCEPT
  • 14. 

     Which of the following is not a standard DHCP address allocation method?

    • A.

      dynamic

    • B.

      manual

    • C.

      automatic

    • D.

      instinctive

    Correct Answer
    D. instinctive
    Explanation
    The three options "dynamic," "manual," and "automatic" are all standard DHCP address allocation methods. However, "instinctive" is not a standard DHCP address allocation method.

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  • 15. 

     Which of the following is not a standard DHCP address allocation method?

    • A.

      dynamic

    • B.

      manual

    • C.

      automatic

    • D.

      instinctive

    Correct Answer
    D. instinctive
    Explanation
    The correct answer is "instinctive." This is because "instinctive" is not a recognized standard DHCP address allocation method. DHCP (Dynamic Host Configuration Protocol) is a network protocol that allows devices to automatically obtain IP addresses and other network configuration settings. The standard DHCP address allocation methods are dynamic, manual, and automatic, but "instinctive" is not a valid method.

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  • 16. 

    Which of the following is a disadvantage of a centralized DHCP infrastructure?

    • A.

      reduced administrative burden

    • B.

      no need to scale up your hardware to accommodate DHCP relay servers

    • C.

      fewer servers

    • D.

      burden on the servers increase

    Correct Answer
    D. burden on the servers increase
    Explanation
    A centralized DHCP infrastructure can lead to an increase in the burden on the servers. This is because all DHCP requests and responses are handled by a single server, which can result in higher network traffic and increased processing load on the server. This can potentially lead to slower response times and decreased overall performance of the DHCP service.

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  • 17. 

     Each individual domain name can be no more than how many characters?

    • A.

      63

    • B.

      64

    • C.

      254

    • D.

      255

    Correct Answer
    A. 63
    Explanation
    Each individual domain name can be no more than 63 characters.

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  • 18. 

     Which of the following was not an objective of the DNS name resolution project?

    • A.

      Avoid creating traffic bottlenecks and a single point of failure.

    • B.

      Create a standardized system for host naming and accessing electronic mailboxes.

    • C.

      Prevent administrators from assigning host names to their computers.

    • D.

      Distribute the host name database among servers all over the network.

    Correct Answer
    A. Avoid creating traffic bottlenecks and a single point of failure.
    Explanation
    The objective of the DNS name resolution project was to create a standardized system for host naming and accessing electronic mailboxes, prevent administrators from assigning host names to their computers, and distribute the host name database among servers all over the network. The objective was not to avoid creating traffic bottlenecks and a single point of failure.

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  • 19. 

     Which of the following is not an element of DNS?

    • A.

      resolvers

    • B.

      name servers

    • C.

      DNS namespace

    • D.

      resource record

    Correct Answer
    D. resource record
    Explanation
    The DNS (Domain Name System) is a hierarchical decentralized naming system for computers, services, or other resources connected to the internet or a private network. It translates domain names into IP addresses, allowing users to access websites using human-readable names. Resolvers, name servers, and the DNS namespace are all essential components of the DNS system. However, resource records are not elements of DNS but rather the data stored within the DNS database, containing information such as IP addresses, domain names, and other DNS-related data.

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  • 20. 

     Which of the following is not a top-level domain?

    • A.

      com

    • B.

      net

    • C.

      int

    • D.

      biz

    Correct Answer
    D. biz
    Explanation
    The top-level domain (TLD) refers to the last part of a domain name, such as .com, .net, or .biz. In this case, all options given are valid top-level domains except for "biz". Therefore, "biz" is the correct answer as it is not a top-level domain.

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  • 21. 

    Only Windows Server 2008 includes DHCP client capabilities.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Windows Server 2008 does not include DHCP client capabilities. DHCP client capabilities are included in all Windows operating systems, including Windows Server 2008, Windows 7, Windows 8, and Windows 10. Therefore, the statement that "Only Windows Server 2008 includes DHCP client capabilities" is false.

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  • 22. 

     DHCP communications are always initiated by the server.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement that DHCP communications are always initiated by the server is false. In a DHCP (Dynamic Host Configuration Protocol) network, the communication can be initiated by either the client or the server. The client sends a DHCP Discover message to locate available servers, and the server responds with a DHCP Offer message. The client then selects an offer and sends a DHCP Request message to request the offered configuration. Finally, the server acknowledges the request with a DHCP Ack message. Therefore, DHCP communications involve bidirectional communication between the client and the server.

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  • 23. 

     The primary reason for distributing the DHCP Server service is its reliance on broadcast messaging.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The DHCP Server service relies on broadcast messaging because it uses the DHCP Discover message, which is broadcasted to the network to request an IP address. This broadcast message allows the DHCP server to receive the request and allocate an available IP address to the client. Therefore, distributing the DHCP Server service ensures that the broadcast messages can reach all devices on the network, enabling them to obtain an IP address.

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  • 24. 

     To enable the broadcast traffic on each subnet to reach DHCP servers, you must install a DHCP relay agent on each subnet.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Installing a DHCP relay agent on each subnet is necessary to enable the broadcast traffic from each subnet to reach DHCP servers. A DHCP relay agent helps in forwarding DHCP messages between DHCP clients and servers across different subnets. Without a relay agent, broadcast traffic, such as DHCP requests, would not be able to cross subnet boundaries and reach the DHCP servers. Therefore, the statement is true.

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  • 25. 

     DNS servers never purge their cached information.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    DNS servers do purge their cached information periodically. This is necessary to ensure that the information stored in the cache remains up-to-date and accurate. Purging the cache allows the DNS server to fetch the latest information from authoritative DNS servers when a query is made. Failure to purge the cache could result in outdated or incorrect information being served to clients, leading to potential issues with website accessibility and communication. Therefore, the statement that DNS servers never purge their cached information is false.

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  • 26. 

     Automatic allocation is suitable for networks where you do not often move computers to different __________.

    Correct Answer
    subnets
    Explanation
    Automatic allocation is suitable for networks where you do not often move computers to different subnets because automatic allocation assigns IP addresses to devices based on the subnet they are connected to. If computers are frequently moved to different subnets, it would be more efficient to use manual allocation, where IP addresses are manually assigned to devices regardless of the subnet they are connected to.

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  • 27. 

    When splitting scopes using the __________ rule, it is not necessary to deploy multiple DHCP servers on each subnet.

    Correct Answer
    80/20
    Explanation
    The 80/20 rule refers to the practice of splitting DHCP scopes between two servers, where one server is responsible for 80% of the addresses and the other server is responsible for the remaining 20%. This rule ensures that both servers are not overloaded with DHCP requests and provides redundancy in case one server fails. By following the 80/20 rule, it is not necessary to deploy multiple DHCP servers on each subnet as the two servers can handle the DHCP requests efficiently.

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  • 28. 

     In a Windows DHCP server, a(n) __________ allocated address is called a reservation. 

    Correct Answer
    manually
    Explanation
    A manually allocated address in a Windows DHCP server is called a reservation. This means that the address is assigned to a specific device or client manually by the network administrator, rather than being dynamically assigned by the DHCP server. This allows for more control and ensures that a particular device always receives the same IP address, which can be useful for devices that require a consistent IP address for specific purposes such as network services or security configurations.

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  • 29. 

     The DHCP __________ enables you to exclude specific addresses from the scope range and specify any value for the lease duration.

    Correct Answer
    console
    Explanation
    The DHCP console enables you to exclude specific addresses from the scope range and specify any value for the lease duration.

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  • 30. 

    In the early days of TCP/IP networking, each computer had a list of names and their equivalent IP addresses called a(n) __________ table.

    Correct Answer
    host
    Explanation
    In the early days of TCP/IP networking, each computer had a list of names and their equivalent IP addresses called a host table.

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  • 31. 

     When a computer boots for the first time with the DHCP client active, the client generates a series of __________ messages to solicit an IP address assignment from a DHCP server and broadcasts them on the local network.

    Correct Answer
    DHCPDISCOVER
    Explanation
    When a computer boots for the first time with the DHCP client active, it needs to obtain an IP address from a DHCP server. To do this, the client generates a series of DHCPDISCOVER messages. These messages are broadcasted on the local network, requesting an IP address assignment from a DHCP server.

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  • 32. 

    When the DHCP client reaches the 50 percent point of the lease’s duration (called the renewal time value or T1 value), the client enters the __________ state and begins generating DHCPREQUEST messages and transmitting them as unicasts to the DHCP server holding the lease.

    Correct Answer
    renewing
    Explanation
    When the DHCP client reaches the 50 percent point of the lease's duration (called the renewal time value or T1 value), the client enters the "renewing" state. In this state, the client starts generating DHCPREQUEST messages and sends them as unicasts to the DHCP server that assigned the lease. This process allows the client to request the renewal of its IP address lease from the DHCP server, ensuring that it can continue using the assigned IP address for a longer period.

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  • 33. 

    A(n) __________ is an administrative entity you create on a DNS server to represent a discrete portion of the DNS namespace.

    Correct Answer
    zone
    Explanation
    A zone is an administrative entity created on a DNS server to represent a discrete portion of the DNS namespace. It allows for the management of a specific domain or subdomain within the larger DNS system. By creating a zone, administrators can control the authoritative DNS information for that particular portion of the namespace, including managing the associated resource records and name resolution.

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  • 34. 

     In a(n) __________ DHCP infrastructure, DHCP servers are all placed in a single location, such as a server closet or data center.

    Correct Answer
    centralized
    Explanation
    In a centralized DHCP infrastructure, all DHCP servers are located in a single location, such as a server closet or data center. This means that all DHCP requests and assignments are managed from this central location, making it easier to monitor and control the DHCP process. This centralized approach allows for better management and coordination of IP address assignments, ensuring efficient allocation of resources and reducing the chances of conflicts or errors.

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  • 35. 

     A(n) __________ is a DNS server that receives queries from other DNS servers that are explicitly configured to send them.

    Correct Answer
    forwarder
    Explanation
    A forwarder is a DNS server that receives queries from other DNS servers that are explicitly configured to send them. This means that when a DNS server receives a query for a domain it does not have information for, it can forward the query to a forwarder DNS server. The forwarder then tries to resolve the query by reaching out to other DNS servers, and returns the answer back to the original DNS server that sent the query. This allows for efficient DNS resolution and reduces the load on individual DNS servers.

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  • 36. 

    What feature is used to self-assign an IP address if a Windows DHCP client is unable to contact a DHCP server? 

    Correct Answer
    Automatic Private IP Addressing, APIPA
    Explanation
    Automatic Private IP Addressing (APIPA) is a feature used by Windows DHCP clients when they are unable to contact a DHCP server. In such cases, APIPA allows the client to automatically assign itself an IP address from a predefined range (169.254.0.1 to 169.254.255.254) without the need for manual configuration. This feature ensures that the client can still communicate on the local network even without a DHCP server, although it will not have access to resources outside of the local network.

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  • 37. 

     Which software component is used to receive DHCP broadcast traffic on a subnet and then send it on to particular DHCP servers on one or more other subnets?

    Correct Answer
    DHCP relay agent
    Explanation
    A DHCP relay agent is a software component that receives DHCP broadcast traffic on a subnet and then forwards it to specific DHCP servers on other subnets. It acts as an intermediary between the DHCP client and server, allowing the client to obtain an IP address and other network configuration information from a DHCP server located on a different subnet. The relay agent helps to extend the reach of DHCP services across multiple subnets, enabling efficient IP address allocation and network configuration in a complex network environment.

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  • 38. 

     Which type of network will always have another one available to take its place if a DHCP server should fail?

    Correct Answer
    fault tolerant
    Explanation
    A fault-tolerant network is designed to have redundant components and backup systems in place to ensure continuous operation even if a DHCP server fails. This means that if one DHCP server goes down, another one is readily available to take its place, ensuring uninterrupted network connectivity for devices.

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  • 39. 

     When you have two identical DHCP scopes on different servers, what must you configure the servers to use?

    Correct Answer
    server-side address conflict detection
    Explanation
    When you have two identical DHCP scopes on different servers, you must configure the servers to use server-side address conflict detection. This feature allows the servers to check for any conflicts or duplicate IP addresses before assigning them to clients. By enabling server-side address conflict detection, the servers can prevent IP address conflicts and ensure that each client receives a unique and valid IP address from the DHCP scope.

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  • 40. 

     What uses a shared storage medium to hold application data?

    Correct Answer
    failover cluster
    Explanation
    A failover cluster uses a shared storage medium to hold application data. In a failover cluster, multiple servers are connected to a shared storage device, such as a SAN (Storage Area Network) or NAS (Network Attached Storage). This shared storage allows all servers in the cluster to access and store application data, ensuring high availability and redundancy. In the event of a server failure, another server in the cluster can take over and continue running the applications using the shared data stored on the shared storage medium.

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  • 41. 

     In what type of environment are DHCP servers all placed in a single location, such as a server closet or data center?

    Correct Answer
    centralized DHCP infrastructure
    Explanation
    A centralized DHCP infrastructure refers to a setup where all DHCP servers are located in a single location, such as a server closet or data center. This type of environment allows for easier management and administration of DHCP services. It ensures that all DHCP servers are in close proximity, making it convenient to monitor and troubleshoot any issues that may arise. Additionally, having a centralized DHCP infrastructure simplifies the configuration and deployment of DHCP services across the network, ensuring consistent and reliable IP address assignment to clients.

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  • 42. 

    What service automatically configures the Internet Protocol (IP) address and other TCP/IP settings on network computers by assigning addresses from a pool and reclaiming them when they are no longer in use?

    Correct Answer
    Dynamic Host Configuration Protocol, DHCP
    Explanation
    The Dynamic Host Configuration Protocol (DHCP) is a service that automatically configures the IP address and other TCP/IP settings on network computers. It does this by assigning addresses from a pool and reclaiming them when they are no longer in use. DHCP eliminates the need for manual IP address configuration, making it easier to manage and maintain network settings.

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  • 43. 

    The primary reason for distributing the DHCP Server service is its reliance on what feature? 

    Correct Answer
    broadcast messaging
    Explanation
    The primary reason for distributing the DHCP Server service is its reliance on broadcast messaging. DHCP (Dynamic Host Configuration Protocol) uses broadcast messages to discover and allocate IP addresses to devices on a network. By distributing the DHCP Server service, the workload can be shared among multiple servers, allowing for better scalability and redundancy. This ensures that devices can obtain IP addresses efficiently and reliably, even in large networks.

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  • 44. 

    The primary reason for distributing the DHCP Server service is its reliance on what feature? 

    Correct Answer
    broadcast messaging
    Explanation
    The primary reason for distributing the DHCP Server service is its reliance on broadcast messaging. DHCP (Dynamic Host Configuration Protocol) uses broadcast messages to discover and allocate IP addresses to network devices. By distributing the DHCP Server service, multiple servers can handle the broadcast messages, ensuring efficient and reliable IP address assignment across the network. This distribution helps prevent bottlenecks and improves the overall performance of the DHCP service.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Dec 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 25, 2012
    Quiz Created by
    Mister_kupido09
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