Which of the following statement about MPLS Labe1 statement label is wrong?

• A.The tags are carried by the head of the packet, does not contain topology Information.
• B.The label is used to uniquely identify the forwarding equivalence class FEC to which a packet belongs
• C.The label is encapsulated between the network layer and the transport layer
• D.The label is a short identifier with a fixed length. It has only local meaning.

Comment: *

Name: *

Email: *

Verification: *

FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding without AC.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?

• A.12
• B.8
• C.6
• D.10

Comment: *

Name: *

Email: *

Verification: *

As shown in the following figure, router A and router B establish an OSPF neighbor relationship. The OSPF process number of router A is 1, and the area number is 0. Which of the following configurations on router A can enable router B to obtain the network segment of host A routing? (Multiple choice)

• A.ospf 1 Import-route direct
• B.ospf 1 Area 0.0.0.0 Network 192.168.1.2 0.0.0.0
• C.ospf 1 Area 0.0.0.0 Network 192.168.1.0 0.0.0.255
• D.ospf 1 Area 0.0.0.0 Network 192.168.0.0 0.0.255.255

Comment: *

Name: *

Email: *

Verification: *

Which statement about OSPF protocol DR is correct?

• A.DR must be the highest priority device in the network
• B.Router ID, the larger the value, the more preferred to be elected as DR
• C.An interface priority is 0, then the interface cannot be a DR
• D.DR election is preemptive

Comment: *

Name: *

Email: *

Verification: *