MCTS 70-642 Microsoft 70 642: Network Infrastructure, Configuring 5

Question 1

Your company uses DirectAccess to provide remote connectivity. Which requirement must be met for DirectAccess to function properly for client computers?

Accepted Answer

Clients must run Windows 7 Ultimate or Enterprise (or Windows 8 Enterprise)

Answer

DirectAccess requires client computers to run Windows 7 Ultimate or Enterprise (or Windows 8 Enterprise) and be domain-joined for the seamless always-on connectivity to work.

Question 2

An administrator wants to configure a Windows Server 2008 R2 server to act as a router between two subnets. Which feature must be enabled?

Accepted Answer

IP forwarding via RRAS or registry

Answer

IP routing must be enabled on the server either by installing and configuring RRAS or by enabling IP forwarding via the registry key IPEnableRouter.

Question 3

A user reports they cannot reach a website by name but can ping its IP address. DNS resolution appears broken only for this one user. Which command should you run first on the user's computer?

Accepted Answer

ipconfig /flushdns

Answer

Running 'ipconfig /flushdns' clears the local DNS resolver cache, which may contain a stale or incorrect entry causing resolution to fail for a specific hostname.

Question 4

You deploy Network Access Protection (NAP) with IPSec enforcement. Which component issues health certificates to compliant clients?

Accepted Answer

Health Registration Authority (HRA)

Answer

The Health Registration Authority (HRA) receives health statements from compliant clients and requests health certificates from the CA on their behalf for IPSec-based NAP enforcement.

Question 5

A DHCP server has a scope with a lease duration of 8 days. A client that obtained a lease 4 days ago attempts to renew. To which server does the client first send the renewal request?

Accepted Answer

Only the DHCP server that issued the original lease via unicast

Answer

At 50% of the lease duration, the client sends a unicast DHCPREQUEST directly to the DHCP server that issued the original lease to attempt renewal.

MCTS 70-642 Exam Practice Test

MCTS 70-642 Exam Practice Test

MCTS 70-642 Microsoft 70 642: Network Infrastructure, Configuring 5