A.IS-IS of the interface

B.The IS-IS cost of the interface is both 50 and the cost is both 60

A.Type 2 LSA

B.Type 1 LSA

C.Type 4 LSA

D.Type 3 LSA

E.Type 5 LSA

A.By default, the device supports the PHP feature, and the label value of the egress node supporting PHP which is allocated to the penultimate hop node is 3.

B.When the tag value is 0, it indicates that the tag should be ejected, and the packet must be forwarded based on IPv4.

C.The length of the MPLS label is 4 bytes and it is encapsulated between the link layer and the network layer.

D.If the bottom mark of the label is S=0, it indicates that the label is the bottom label and directly performs IP forwarding.

A.Principal VLAN can communicate with all VLANs in MUX VLAN

B.Each Separate VLAN must be bound to a Principal VLAN

C.Each Group VLAN must be bound to a Principal VLAN

D.Separate VIAN can communicate with all VLANs in MUXVLAN

A.There may be five neighbor states between PC1 and PC2, which are Incomplete, Reachable, Stale, Delay and Probe

B.If the MAC address information of PC2 can be queried on PC1, the neighbor relationship may be Probe at this time

C.If the MAC address information of PC2 can be queried on PC1, the neighbor relationship may be Stale at this time

D.If the MAC address information of PC2 can be queried on PC1, then the neighbor relationship-Reachable