MCTS 70-642 Microsoft 70 642: Network Infrastructure 5

Question 1

You need to configure Windows Server 2008 R2 to assign IPv6 addresses automatically to clients without using DHCPv6. Which mechanism should you enable on the router?

Accepted Answer

Stateless Address Autoconfiguration (SLAAC)

Answer

SLAAC allows IPv6 hosts to generate their own addresses from the network prefix advertised in Router Advertisement messages without a DHCPv6 server.

Question 2

A Windows Server 2008 R2 DNS server is receiving excessive recursive queries from the Internet. Which configuration change should be made to secure the server?

Accepted Answer

Restrict recursion to internal IP addresses only

Answer

Restricting recursion to a list of trusted IP addresses prevents the DNS server from being used as an open resolver for external DNS amplification attacks.

Question 3

An administrator needs to view all active RRAS connections and their statistics on a Windows Server 2008 R2 server. Which tool provides this information?

Accepted Answer

Routing and Remote Access console

Answer

The Routing and Remote Access console displays all active remote access connections, including client details, duration, and bytes transferred.

Question 4

Which Windows Server 2008 R2 feature enables administrators to capture and analyze network traffic without installing third-party software?

Accepted Answer

Network Monitor 3.4

Answer

Microsoft Network Monitor 3.4 is a free downloadable tool that captures and analyzes network packets on Windows Server 2008 R2.

Question 5

You configure a DHCP scope with a lease duration of 8 days. At what point will a client first attempt to renew its lease?

Accepted Answer

After 4 days

Answer

DHCP clients attempt to renew their lease at 50% of the lease duration (T1), which for an 8-day lease is after 4 days.

MCTS 70-642 Exam Practice Test

MCTS 70-642 Exam Practice Test

MCTS 70-642 Microsoft 70 642: Network Infrastructure 5