DHCP Questions

Question 1
What IP addresses should not be assigned to hosts and should be removed from DHCP pool? (Choose two)
A. The IP address which has the last octet is 1
B. The IP address which has the last octet is 255
C. The network address of the subnetwork
D. The broadcast address of the network or subnetwork

Answer: C D
Question 2
What are the functions of DHCP? (Choose two)
A. DHCP uses a pool to assign and renew IP addresses
B. Detect when a new host is connected to the network and assign a suitable IP address for it
C. Working as a gateway so that hosts can communicate to the outside
D. Assign parameters of IP address from a DHCP Server to a host
E. Responsible for assigning MAC and IP address when requested

Answer: A D
Question 3
What will a DHCP server do when an IP conflict is detected?
A. The DHCP Server sends DHCPCONFLICT messages to both hosts
B. The DHCP Server sends DHCPCONFLICT messages to all hosts in the network
C. The conflicted IP is removed from the pool until the conflict is solved
D. The conflicted IP is kept in the pool but is not allocated to any hosts
E. DHCP Server informs to all conflicted host to remove that IP address

Answer: C
Question 4
Which of the following statements is correct about DHCP after assigning an IP address to a host?
A. DHCP Server assigns addresses to hosts permanently and that host always has the same address all the time
B. DHCP Server assigns addresses to hosts for a fixed period of time. When the time expires, host must send a request for another IP address
C. Addresses are assigned to host and the host can keep the same address by contacting the DHCP Server periodically to renew the lease
D. The DHCP Server and the hosts will negotiate to specific the length of the lease

Answer: C

Question 5
Which of the following statement decribes how DHCP works?
A. If there is an address conflict, the conflict IP address will be taken out of the pool until an administrator resolve the conflict
B. DHCP conflicts are detected by using gratuitous ARP
C. Before accepting the IP offer from a DHCP server, DHCP client tries to detect an IP conflict by pinging that IP address. If no reply received, it accepts the offered IP
D. DHCP client sends a DHCP Request message to find out the DHCP server

Answer: A