A.5

B.10

C.1

D.2

A.Anycast _

B.Unicast

C.Multicast

D.broadcasting

A.Open

B.Notification

C.Keepalive

D.Update

A.If it is a Huawei switching device, RSTP will switch to STP mode. After the STP switching device is withdrawn from the network, the RSTP -running switching device can migrate back to the RSTP working mode

B.RSTP and STP are not interoperable and will perform independent operations

C.If it is a Huawei switching device, the STP will switch to RSTP mode, and the switching device running RSTP can be configured to switch back to the RSTP working mode after the switching device is removed from the network.

D.RSTP can interoperate with STP, but at this time RSTP advantages such as fast convergence are lost

A.The Net mask in the Network-Summary-LSA is set to the network mask of the destination network segment

B.Network-Summary-LSA is generated by ASBR

C.The Link State ID in the Network-Summary-LSA is set to the IP address of the destination network

D.The Metric in the Network-Summary-LSA is set to the cost value from the ABR to the destination network segment