MCTS 70-642 DHCP Configuration & IP Address Management 2

Question 1

What Windows Server 2008 DHCP feature allows a single DHCP server to serve multiple subnets by grouping scopes?

Accepted Answer

Superscope

Answer

A superscope groups multiple scopes together, allowing a single DHCP server to service clients from multiple subnets on the same physical network.

Question 2

Which protocol allows DHCP requests to be forwarded from one subnet to a DHCP server on a different subnet?

Accepted Answer

BOOTP/DHCP relay agent

Answer

A DHCP relay agent (based on BOOTP) forwards DHCP broadcast messages across subnet boundaries to a DHCP server on another subnet.

Question 3

What must be done in Windows Server 2008 before a DHCP server can begin leasing IP addresses?

Accepted Answer

Authorize the DHCP server in Active Directory

Answer

In an Active Directory environment, a DHCP server must be authorized in AD before it can service client requests, preventing rogue DHCP servers.

Question 4

What DHCP option specifies the DNS server addresses for clients?

Accepted Answer

Option 6

Answer

DHCP Option 6 (DNS Servers) provides clients with the IP addresses of DNS servers to use for name resolution.

Question 5

What is a DHCP multicast scope used for?

Accepted Answer

Assigning Class D IP addresses to multicast group members

Answer

A DHCP multicast scope assigns Class D IP addresses (224.0.0.0–239.255.255.255) to multicast group members using the MADCAP protocol.

MCTS 70-642 Exam Practice Test