Free Access Huawei.H12-891_V1.0.v2024-06-05.q227 Practice Test (Page 6)

Question 21

In which of the following cases, RSTP refreshes the MAC address table?( Multi-select)

A.When the port state transitions from Forwarding to Disking

B.CE when the port state transitions from Disking to Forwarding

C.When a topology change notification is received

D.Only when the port state transitions from Listening to Disccarding

E.When the status of a port changes

Question 22

LDP and IGP linkage refers to the release of IGP and TD routes to ensure that LDP and IGP linkage complete network efficiency, so that KGP and LDP maintains a consistent path, minimizing traffic loss, thereby improving the reliability of the entire network.

A.True

B.False

Question 23

The following description of the attributes of BGP is correct? Radio

A.Local_Pref is valid only between EBGP peers and is not advertised to third-party AS

B.The AS number of the adjacent AS, ranked to the far right of the list of AS_Path in the BGP route entry.

C.A route can have only one community attribute value.

D.When a BGP Speaker publishes a route learned from an EBCP peer to an IBGP peer, it does not change the next hop attribute of that routing information.

Question 24

During the LDPsession setup process, the active party first sends the Illitalization information to negotiate the parameters, and if the passive party does not accept the negotiation parameters, which of the following messages will be sent? <(Single select).)

A.Hello Message

B.Keepalive Message

C.Error Notification Message

D.Initialization Message

Question 25

In the forwarding table of the switch, a MAC address can correspond to only one outlet at a time