Latest MCSA 70-642 Real Exam Download 21-30

Ensurepass

QUESTION 21

You need to create a sender policy framework (SPF) record for the e-mail servers on your network.

Which type of resource record should you create?

 

A.      Alias (CNAME)

B.      Host Information (HINFO)

C.      Signature (SIG)

D.      Text (TXT)

 

Correct Answer: D

 

 

 

QUESTION 22

Your network contains an Active Directory forest named fabrikam.com. The forest contains a DNS server named Server1. You need to configure Server1 to resolve single-label names. What should you do?

 

A.      Create a DNS zone named GlobalNames. Run dnscmd.exe and specify the Config parameter.

B.      Create a DNS zone named GlobalNames. Run dnscmd.exe and specify the CreateDirectoryPartition parameter.

C.      Create a DNS zone named RootNames. Run dnscmd.exe and specify the CreateDirectoryPartition parameter.

D.      Create a DNS zone named RootNames. Run dnscmd.exe and specify the Config parameter.

 

Correct Answer: A

 

 

QUESTION 23

Your company uses Active Directory-integrated DNS. Users require access to the Internet. You run a network capture. You notice the DNS server is sending DNS name resolution queries to a server named f.root- servers.net. You need to prevent the DNS server from sending queries to f.root-servers.net. The server must be able to resolve names for Internet hosts. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

 

A.      Enable forwarding to your ISP’s DNS servers.

B.      Disable the root hints on the DNS server.

C.      Disable the netmask ordering option on the DNS server.

D.      Configure Reverse Lookup Zones for the IP subnets on the network.

 

Correct Answer: AB

 

 

QUESTION 24

Your company has a single Active Directory forest that has six domains. All DNS servers in the forest run Windows Server 2008 R2. You need to ensure that all public DNS queries are channeled through a single-caching-only DNS server. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

 

A.      Disable the root hints.

B.      Enable BIND secondaries.

C.      Configure a forwarder to the caching DNS server.

D.      Configure a GlobalNames host (A) record for the hostname of the caching DNS server.

 

Correct Answer: AC

 

 

QUESTION 25

Contoso Ltd. has a single Active Directory forest that has five domains. Each domain has two DNS servers. Each DNS server hosts Active Directory-integrated zones for all five domains. All domain controllers run Windows Server 2008 R2. Contoso acquires a company named Tailspin Toys. Tailspin Toys has a single Active Directory forest that contains a single domain. You need to configure the DNS system in the Contoso forest to provide name resolution for resources in both forests. What should you do?

 

A.       Configure client computers in the Contoso forest to use the Tailspin Toys DNS server as the alternate DNS server.

B.       Create a new conditional forwarder and store it in Active Directory. Replicate the new conditional forwarder to all DNS servers in the Contoso forest.

C.       Create a new application directory partition in the Contoso forest. Enlist the directory partition for all DNS servers.

D.       Create a new host (A) record in the GlobalNames folder on one of the DNS servers in the Contoso forest. Configure the host (A) record by using the Tailspin Toys domain name and the IP address of the DNS server in the Tailspin Toys forest.

 

Correct Answer: B

 

 

QUESTION 26

Your company has a single Active Directory forest that has an Active Directory domain named na.contoso.com. A server named Server1 runs the DNS Server role. You notice stale resource records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that the stale resource records are removed from na.contoso.com. What should you do?

 

A.      Stop and restart the DNS Server service on Server1.

B.      Enable DNS scavenging on the na.contoso.com zone.

C.      Run the dnscmd Server1 /AgeAllRecords command on Server1.

D.      Run the dnscmd Server1 /StartScavenging command on Server1.

 

Correct Answer: B

 

 

QUESTION 27

Your network contains an Active Directory domain named contoso.com. From DNS Manager, you open the properties of contoso.com as shown in the exhibit.

 

clip_image002[4]

 

You need to ensure that you can modify the start of authority (SOA) record for contoso.com. What should you do?

 

A.      Modify the zone transfer settings.

B.      Log on as a member of the DnsAdmins group.

C.      Log on as a member of the Domain Admins group.

D.      Connect to the DNS server that contains the primary zone.

 

Correct Answer: D

 

 

QUESTION 28

Your company has a main office and a branch office. The company network has two WINS servers. You have an application that requires NetBIOS name resolution. The WINS servers are configured as shown in the following table.

 

clip_image004

 

You discover that the WINS addresses on all client computers in both offices are configured in the following order of use:

10.1.0.23

10.6.0.254

 

You reconfigure the WINS addresses on all client computers in the branch office in the following order of use:

 

10.6.0.254

10.1.0.23

 

After the reconfiguration, users in the branch office are unable to connect to the servers that are located in the main office. You need to restore name resolution in the branch office. What should you do?

 

A.      Configure the burst handling option on DC2.

B.      Configure DC1 and DC2 as WINS push/pull replication partners.

C.      In the WINS server properties on DC1, increase the Renew interval setting to 1 day.

D.      In the WINS server properties on DC2, increase the Renew interval setting to 1 day.

 

Correct Answer: B

 

 

QUESTION 29

Your company has a server named Server1 that runs a Server Core installation of Windows Server 2008 R2, and the DNS Server server role. Server1 has one network interface named Local Area Connection. The static IP address of the network interface is configured as 10.0.0.1. You need to create a DNS zone named local.contoso.com on Server1. Which command should you use?

 

A.      ipconfig /registerdns:local.contoso.com

B.      dnscmd Server1 /ZoneAdd local.contoso.com /DSPrimary

C.      dnscmd Server1 /ZoneAdd local.contoso.com /Primary /file local.contoso.com.dns

D.      netsh interface ipv4 set dnsserver name=”local.contoso.com” static 10.0.0.1 primary

 

Correct Answer: C

 

 

QUESTION 30

Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the Network_Policy Server (NPS) role installed. You need to ensure that the NPS log files on Server1 contain information of client connections. What should you do?

 

A.      Enable the Accounting requests settings.

B.      Enable the Authentication requests settings.

C.      Configure the IAS (Legacy) log file format.

D.      Configure the DTS Compilant log file format.

 

Correct Answer: D

 

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