A DHCP relay agent exists between a DHCP server and DHCP clients. If IP addresses in the global address pool of the DHCP server and IP addresses of VLANIF interfaces connecting the DHCP relay agent to clients are on different network segments, a DHCP fault will occur.

Generally, which of the following enterprise services require user experience optimization?

Which of the following subsystems are involved in building cabling? (Multiple Choice)

Which of the following statements regarding border security optimization are true? (Multiple Choice)

After finding that the OSPF configuration on a router is incorrect, you logged in to the router to check the OSPF configuration. Then you found that the association between OSPF and BFD was also incorrect.
Therefore, you changed the OSPF and BFD configuration. Which of the following troubleshooting methods is used in this process?