| Exam 640-875 | Question id=4757 | IP Services |
Which two statements about IPv4 DHCP operations are true?
| A. |
If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate between the clients and servers. | |
| B. |
The DHCP server that receives a DHCPDISCOVER message may respond with a DHCPOFFER message on UDP port 67. | |
| C. |
A client can receive DHCPOFFER from multiple servers and it can accept all the offers by broadcasting the DHCPREQUEST message to all the servers. | |
| D. |
A DHCP relay is required if the DHCP clients and the servers are on the same subnet. | |
| E. |
If the client and server are on different subnets, DHCPDISCOVER and DHCPREQUEST messages are sent via UDP broadcasts, but DHCPOFFER and DHCPACK messages are unicast. | |
| F. |
The client broadcasts a DHCPDISCOVER message on UDP port 68 with its own MAC address to discover available DHCP servers. |