Microsoft Certification 70-642

62 Questions | Total Attempts: 544

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70-642 Configuring Windows Server 2008 Network Infrastructure


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Questions and Answers
  • 1. 
     A user in your organization complains that she cannot connect to any network resources. You run the Ipconfig command on her computer and find that the address assigned to the Local Area Connection is 169.254.232.21.  Which of the following commands should you type first? Ch1 L1
    • A. 

      Ipconfig /renew

    • B. 

      Ping 169.254.232.21

    • C. 

      Tracert 169.254.232.21

    • D. 

      Arp -a

  • 2. 
    Which of the following address types is best suited for a DNS server? Ch1 L1
    • A. 

      DHCP-assigned address

    • B. 

      APIPA address

    • C. 

      Alternate configuration address

    • D. 

      Manual address

  • 3. 
    How many computers can you host in an IPv4 network whose address is 172.16.0.0/22? Ch1 L2  
    • A. 

      512

    • B. 

      1024

    • C. 

      510

    • D. 

      1022

  • 4. 
    You work as a network administrator for a research lab in a large company. The research lab includes six computers for which central computing services has allocated the address space 172.16.1.0/29. You now plan to add 10 new computers to the research network. Company policy states that each network is granted address space only accordingto its needs. What should you do? Ch1 L2
    • A. 

      Ask to expand the network to a /28 address block.

    • B. 

      Ask to expand the network to a /27 address block.

    • C. 

      Ask to expand the network to a /26 address block.

    • D. 

      You do not need to expand the network because a /29 network is large enough to support your needs.

  • 5. 
    You want an IPv6 address for a server that you want to connect to the IPv6 Internet. What type of IPv6 address do you need? Ch1 L3
    • A. 

      A global address

    • B. 

      A link-local address

    • C. 

      A unique local address

    • D. 

      A site-local address

  • 6. 
    You want to create a test IPv6 network in your organization. You want the test network to include three subnets.  What type of IPv6 addresses do you need? Ch1 L3
    • A. 

      Global addresses

    • B. 

      Link-local addresses

    • C. 

      Unique local addresses

    • D. 

      Site-local addresses

  • 7. 
    After the address of a certain client computer is updated, you notice that a local DNS server is resolving the name of the computer incorrectly from cached information. How can you best resolve this problem? CH2 L1
    • A. 

      At the DNS server, type the command dnscmd /clearcache.

    • B. 

      Restart the DNS Client service on the client computer.

    • C. 

      At the client computer, type ipconfig /flushdns.

    • D. 

      Restart all DNS client computers.

  • 8. 
    You are working on a Windows Server 2008 computer named WS08A. You cannot connect to computers running Windows XP on the local network by specifying them by name in a UNC path such as \\computer1. What can you do to enable your computer to connect to these computers by specifying them in a UNC? CH2 L1
    • A. 

      Enable IPv6 on WS08A.

    • B. 

      Disable IPv6 on WS08A.

    • C. 

      Enable Local Link Multicast Name Resolution (LLMNR) on WS08A.

    • D. 

      Enable NetBIOS on WS08A.

  • 9. 
    After the address of a certain client computer is updated, you notice that a local DNS server is resolving the name of the computer incorrectly from cached information. How can you best resolve this problem? CH2 L2
    • A. 

      At the DNS server, type the command dnscmd /clearcache

    • B. 

      Restart the DNS Client service on the client computer.

    • C. 

      At the client computer, type ipconfig /flushdns.

    • D. 

      Restart all DNS client computers.

  • 10. 
    You are working on a Windows Server 2008 computer named WS08A. You cannot connect to computers running Windows XP on the local network by specifying them by name in a UNC path such as \\computer1. What can you do to enable your computer to connect to these computers by specifying them in a UNC? CH2 L2
    • A. 

      Enable IPv6 on WS08A.

    • B. 

      Disable IPv6 on WS08A.

    • C. 

      Enable Local Link Multicast Name Resolution (LLMNR) on WS08A.

    • D. 

      Enable NetBIOS on WS08A.

  • 11. 
    After the address of a certain client computer is updated, you notice that a local DNS server is resolving the name of the computer incorrectly from cached information. How can you best resolve this problem? CH2 L3
    • A. 

      At the DNS server, type the command dnscmd /clearcache.

    • B. 

      Restart the DNS Client service on the client computer.

    • C. 

      At the client computer, type ipconfig /flushdns.

    • D. 

      Restart all DNS client computers.

  • 12. 
    You are working on a Windows Server 2008 computer named WS08A. You cannot connect to computers running Windows XP on the local network by specifying them by name in a UNC path such as \\computer1. What can you do to enable your computer to connect to these computers by specifying them in a UNC? CH2 L3
    • A. 

      Enable IPv6 on WS08A.

    • B. 

      Disable IPv6 on WS08A.

    • C. 

      Enable Local Link Multicast Name Resolution (LLMNR) on WS08A.

    • D. 

      Enable NetBIOS on WS08A.

  • 13. 
    You want to prevent a certain host (A) record from being scavenged. The record belongs to a portable computer named LaptopA that connects to the network only infrequently. LaptopA obtains its address from a DHCP server on the network. Which of the following steps would best enable you to achieve this goal? CH3L1
    • A. 

      Disable scavenging on the zone in which the record has been created.

    • B. 

      Disable scavenging on the server with which the computer registers its record.

    • C. 

      Assign the computer a static address.

    • D. 

      Create a record for LaptopA manually.

  • 14. 
    You are a network administrator for a company named Fabrikam, Inc. The DNS server for the network is located on a member server named Dns1 in the Fabrikam.com Active Directory domain. Dns1 provides name resolution for the Fabrikam.com domain only. Occasionally, you see DNS records for unauthorized computers in the Fabrikam.comzone. These computers do not have accounts in the Fabrikam.com Active Directory domain. What steps should you take to prevent unauthorized computers from registering host records with the DNS server? (Choose three. Each answer represents part of the solution.) CH3L1
    • A. 

      Re-create the zone on a domain controller.

    • B. 

      Choose the option to store the zone in Active Directory.

    • C. 

      Clear the option to store the zone in Active Directory.

    • D. 

      Configure the zone not to accept dynamic updates.

    • E. 

      Configure the zone to accept secure updates only.

  • 15. 
    You are a network administrator for a large company named Northwind Traders that has many branch offices worldwide. You work at the New York office, which has its own Active Directory domain, ny.us.nwtraders.msft. Recently you have noticed that when users in the New York office want to connect to resources located in the  uk.eu.nwtraders.msft domain, name resolution for computernames in the remote domain is very slow. You want to improve name resolution response times for names within uk.eu.nwtraders.msft domain by keeping an updated list of remote name servers authoritative for that domain name. You also want to minimize zone transfer traffic. What should you do?CH3L2
    • A. 

      Create a stub zone of the uk.eu.nwtraders.msft domain on the DNS servers at the New York office.

    • B. 

      Configure conditional forwarding so that queries for names within the uk.eu.nwtraders.msft domain are automatically forwarded to the name servers in that domain.

    • C. 

      Create a secondary zone of the uk.eu.nwtraders.msft domain on the DNS servers at the New York office.

    • D. 

      Perform a delegation of the uk.edu.nwtraders.msft domain on the DNS servers at the New York office.

  • 16. 
    You have recently migrated a DNS zone named Contoso.com to a domain controller running Windows Server 2008. You have selected the option to store the zone in Active Directory, but you find that the zone does not appear on a domain controller named DC2000 that is running Windows 2000 Server in the same domain. DC2000 is already configured with the DNS server component. You want the zone to appear on all domain controllers in the Contoso.com domain. What should you do? CH3L2
    • A. 

      Choose the option to store the zone in all DNS servers in the forest.

    • B. 

      Choose the option to store the zone in all DNS servers in the domain.

    • C. 

      Choose the option to store the zone in all domain controllers in the domain.

    • D. 

      Create a new directory partition, and then choose the option to store the zone in the new partition.

  • 17. 
    After you deploy a DHCP server for the 192.168.1.0/24 subnet, you find that none of the DHCP clients can communicate beyond the local subnet when they specify the IP address of a computer on the company network. Statically assigned computers can successfully communicate beyond the local subnet. How can you configure the DHCP server to enable DHCP clients to communicate beyond the local subnet? CH4L1
    • A. 

      Configure the 003 Router option.

    • B. 

      Configure the 006 DNS Servers option.

    • C. 

      Configure the 015 Domain Name option.

    • D. 

      Configure the 044 WINS/NBNS Servers option.

  • 18. 
    You want to deploy a DHCP server on a computer named Dhcp1.nwtraders.msft. To this server you have configured a static address of 10.10.0.5/24 and assigned a DNS server address of 10.10.1.1. On Dhcp1 you configure a scope within the range 10.10.1.0/24. You then activate the scope and authorize the server, but the server does not successfully lease any addresses to computers on the local subnet. When you verify the addresses of the clients on the subnet, you find that they are all assigned addresses in the169.254.0.0/16 range. You want the DHCP server to lease addresses to client computers on the local subnet only. Which of the following actions will most likely fix the problem? CH4L1
    • A. 

      Configure the clients as DHCP clients.

    • B. 

      Enable the DHCP client service on Dhcp1.

    • C. 

      Change the address of Dhcp1 and redeploy the DHCP server.

    • D. 

      Run the command Ipconfig /registerdns on Dhcp1.

  • 19. 
    You are deploying a DHCP server on your network to supply addresses in the 192.168.1.0/24 range. You have 200 DHCP client computers on the local subnet. The subnet includes a DNS server on the network with a statically assigned address of 192.168.1.100. How can you create a scope on the DHCP server that does not conflict with the existing DNS server address? CH4L2
    • A. 

      Use the 006 DNS Servers option to assign to clients the address of the DNS server.

    • B. 

      Create a reservation that assigns the address 192.168.1.100 to the DNS server.

    • C. 

      Configure two address ranges in the DHCP scope that avoids the address 192.168.1.100.

    • D. 

      Create an exclusion for the address 192.168.1.100.

  • 20. 
    Which of the following commands should you run to install a DHCP server on a Server Core installation of Windows Server 2008? CH4L2
    • A. 

      Sc config dhcpserver start= auto

    • B. 

      Start /w ocsetup DHCPServer

    • C. 

      Net start DHCPServer

    • D. 

      Servermanagercmd -install dhcp

  • 21. 
    Currently, client computers on the 192.168.1.0/24 subnet are configured with the default gateway 192.168.1.1. You connect a second router to both the 192.168.1.0/24subnet and the 192.168.2.0/24 subnet. You would like clients on the 192.168.1.0/24 subnet to connect to the 192.168.2.0/24 subnet using the new router, which has the IP address 192.168.1.2. What command should you run? CH5L1
    • A. 

      Route add 192.168.2.0 MASK 255.255.255.0 192.168.1.1

    • B. 

      Route add 192.168.2.0 MASK 255.255.255.0 192.168.1.2

    • C. 

      Route add 192.168.1.2 MASK 255.255.255.0 192.168.2.0

    • D. 

      Route add 192.168.1.1 MASK 255.255.255.0 192.168.2.0

  • 22. 
    You are experiencing intermittent connectivity problems accessing an internal Web site on a remote network. You would like to view a list of routers that packets travel throughbetween the client and the server. Which tools can you use? (Choose all that apply.) CH5L1
    • A. 

      PathPing

    • B. 

      Ping

    • C. 

      Ipconfig

    • D. 

      TraceRt

  • 23. 
    6L1You configure a computer running Windows Server 2008 with two network interfaces. Each of the interfaces is connected to different subnets. One of those subnets has four other routers connected to it, and each router provides access to different subnets. You would like the computer running Windows Server 2008 to automatically identify therouters and determine which remote subnets are available using each router. What should you do? CH5L1
    • A. 

      Enable NAT on the interface.

    • B. 

      Enable OSPF on the interface.

    • C. 

      Enable RIP on the interface.

    • D. 

      Add a static route to the interface.

  • 24. 
    You want to require network communications to be encrypted in the Nwtraders.com domain. What should you do?CH6L1
    • A. 

      Use IPSec with Authentication Header (AH).

    • B. 

      Use IPSec with Encapsulating Security Payload (ESP).

    • C. 

      Use IPSec with both AH and ESP.

    • D. 

      Use IPSec in tunnel mode.

  • 25. 
    You want to enforce IPSec communications between the Nwtraders.com domain and the Contoso.com domain. Both domains belong to the same Active Directory forest. Whichauthentication method should you choose for IPSec? CH6L1
    • A. 

      Kerberos

    • B. 

      Certificates

    • C. 

      Preshared key

    • D. 

      NTLM