2013 Latest MCTS 70-642 Exam Questions 36-40

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QUESTION 36
Your company has a single Active Directory domain. All servers run Windows Server 2008 R2. You install an additional DNS server that runs Windows Server 2008 R2.
You need to delete the pointer record for the IP address 10.3.2.127. What should you do?
A. Use DNS manager to delete the 127.in-addr.arpa zone.
B. Run the dnscmd /RecordDelete 10.3.2.127 command at the command prompt.
C. Run the dnscmd /ZoneDelete 127.in-addr.arpa command at the command prompt.
D. Run the dnscmd /RecordDelete 10.in-addr.arpa. 127.2.3 PTR command at the command prompt.
Correct Answer: D
Explanation/Reference:
Correct answer(s): D
http://support.microsoft.com/kb/842127/en-us

QUESTION 37
Your company has a server that runs Windows Server 2008 R2. You have a new application that locates remote resources by name. The new application requires IPv6.
You need to ensure that the application can locate remote resources by using IPv6. What should you do?
A. Create a new Pointer (PTR) DNS record.
B. Create a new Quad-A (AAAA) DNS record. C. Create a new Signature (SIG) DNS record.
D. Create a new Route Through (RT) DNS record.
Correct Answer: B
Explanation/Reference:
Correct answer(s): B

QUESTION 38
You are building a test environment to evaluate DNS Security Extensions (DNSSEC). You have a domain controller named Server1 that runs Windows Server 2008 R2 in your test environment.
Server1 has the DNS Server server role installed.
You need to configure Server1 to support the DNSSEC evaluation.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.) A. Create a new Quad-A (AAAA) DNS record.
B. Create a new Signature (SIG) DNS record.
C. Create a new Public key (KEY) DNS record.
D. Create a new Well-known service (WKS) DNS record.
Correct Answer: BC
Explanation/Reference:
Correct answer(s): B, C

QUESTION 39
Your company has a domain controller that runs Windows Server 2008 R2 and the DNS role. The DNS
domain is named contoso.com.
You need to ensure that inquiries about contoso.com are sent to dnsadmin@contoso.com. What should you do?
A. Create a Signature (SIG) record for the domain controller.
B. Modify the Name Server (NS) record for the domain controller.
C. Modify the Service Location (SRV) record for the domain controller. D. Modify the Start of Authority (SOA) record on the domain controller.
Correct Answer: D
Explanation/Reference:
Correct answer(s): D

QUESTION 40
Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS
server role. A server named Server2 runs Windows Server 2003 and Microsoft Exchange Server 2007.
The company wants to deploy a new Exchange server named Server3 to receive all inbound e- mail traffic. You need to configure DNS to direct incoming e-mail traffic to the Exchange servers. You also need to
ensure that higher priority is given to Server3.
What should you do?
A. Set the priority value of the Server2 Mail Exchanger (MX) record to 20. Create a new Mail Exchanger
(MX) record for Server3. Set the priority value to 5.
B. Set the priority value of the Server2 Mail Exchanger (MX) record to 5. Create a new Mail Exchanger
(MX) record for Server3. Set the priority value to 20.
C. Create a new Service Location (SRV) record in the domain for Server3. Set the port number value to
25. Configure the priority setting to 20.
D. Create a new Service Location (SRV) record in the domain for Server3. Set the port number value to
110. Configure the priority setting to 5.
Correct Answer: A
Explanation/Reference:
Correct answer(s): A

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