MCTS 70-642 DHCP Configuration & IP Address Management 1 — Questions and Answers
Question 1: Which Windows Server 2008 role provides automatic IP address assignment to network clients?
- DNS Server
- DHCP Server (Correct answer)
- WINS Server
- Remote Access
Correct answer: DHCP Server
The DHCP Server role in Windows Server 2008 automatically assigns IP addresses, subnet masks, default gateways, and other network configuration to clients.
Question 2: What is a DHCP scope?
- A list of excluded IP addresses
- A range of IP addresses available for lease to clients (Correct answer)
- A static IP reservation for a specific host
- A set of DHCP server options
Correct answer: A range of IP addresses available for lease to clients
A DHCP scope defines a contiguous range of IP addresses that the DHCP server can assign to clients on a specific subnet.
Question 3: In DHCP, what is the purpose of an exclusion range?
- Permanently assigns an IP to a MAC address
- Prevents specific IP addresses in the scope from being leased (Correct answer)
- Limits the number of leases per client
- Defines the lease duration
Correct answer: Prevents specific IP addresses in the scope from being leased
Exclusion ranges prevent specific IP addresses within a scope from being assigned by DHCP, typically used for statically assigned devices.
Question 4: What DHCP feature assigns a specific IP address to a client based on its MAC address?
- Scope option
- Exclusion range
- Reservation (Correct answer)
- Superscope
Correct answer: Reservation
A DHCP reservation ties a specific IP address to a client's MAC address, ensuring that client always receives the same IP.
Question 5: Which DHCP option number specifies the default gateway for DHCP clients?
- Option 3 (Correct answer)
- Option 6
- Option 15
- Option 44
Correct answer: Option 3
DHCP Option 3 (Router) specifies the default gateway IP address that clients should use for routing traffic off the local subnet.
Question 6: What is the default DHCP lease duration in Windows Server 2008?
- 1 day
- 3 days
- 8 days (Correct answer)
- 24 hours
Correct answer: 8 days
The default DHCP lease duration in Windows Server 2008 is 8 days, after which clients must renew their lease.
Which Windows Server 2008 role provides automatic IP address assignment to network clients?