Which of the following statements about BFD control packets are true? (Choose three.)
Which of the following elements together uniquely identify a LSA? (Choose three.)
The address space 172.28.100.0/24 is currently used. If the subnet mask 172.28.100.0/30 is used to divide this address space into several subnets serving WAN links, how many subnets in total can the address space be divided into?
An OSPF neighbor relationship fails to be established and the display ospf error command output is as follows.Which of the following is the possible cause?
OSPF supports two authentication modes: area authentication and interface authentication.The two authentication modes cannot be configured at the same time.
A Router ID is optional in the OSPF configuration.
Which statement about OSPF is false?
A device can be assigned an IP address 192.168.13.175, with the mask being 255.255.255.240.
Which of the following statements about OSPF authentication are false? (Choose two.)
Which of the following rules should a network administrator obey when the network administrator uses the VLSM technology to plan subnets? (Choose three.)