Microsoft 70-642 TS: Windows Server 2008 Network Infrastructure, Configuring Certification

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Microsoft 70-642 TS: Windows Server 2008 Network Infrastructure, Configuring Certification 31-35

31. 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.
Answer: BC

32. 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.
Answer: D

33. 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.
Answer: A

34. Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS Server server role. A server named Server2 runs a custom application.
You need to configure DNS to include the following parameters for the custom application:
Service
Priority
Weight
Protocol
Port number
Host offering this service
Which record should you create?
A. Host Info (HINFO)
B. Service Location (SRV)
C. Canonical Name (CNAME)
D. Well-Known Service (WKS)
Answer: B

35. Your company has a domain controller named Server1 that runs Windows Server 2008 R2. Server1 has the DNS Server server role installed.
You need to configure the DNS server to resolve IP addresses to host names.
Which record should you create?
A. Pointer (PTR)
B. Host Info (HINFO)
C. Service Location (SRV)
D. Canonical Name (CNAME)
Answer: A

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