Free Access Huawei.H12-891_V1.0.v2023-07-31.q133 Practice Test (Page 6)

Question 21

Regarding BGP route filtering, the following description is wrong?

A.In the same node of Route-Policy, multiple if-match clauses for different attributes are "or" relationships.

B.For routes published locally, configure a routing policy that takes effect before the route is added to the BGP route table.

C.The filtering relationship between Route-Policy's noodes is "or." ", that is, as long as a node filter is passed, it can pass through the Route-policyo

D.When a route to a BGP peer is received, a routing policy is enforced to filter unwanted BGP routes that are not added to the local BGP routing table.

Question 22

The following description of the attributes of BGP is correct?( Single choice questions).

A.The AS deficit of the adjacent AS is ranked at the far right of the list of AS_Path in the BGP route entry.

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

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

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

Question 23

The address resolution feature for NDP in the following description is incorrect?

A.When sending a neighbor request packet, the destination address must be the multicast address of the neighbor's requested node

B.When sending a neighbor request packet, the source address-is set as the link-local address

C.of the local interface Two types of ICMPv6 messages,

D.are used in the address resolution process, neighbor request and neighbor advertisement Address resolution implements the ability to resolve from IPv6 addresses to link-layer addresses

Question 24

A router Router LSA is shown in the figure, and the error in the following statement is ?

A.The Router ID of this router is 100121

B.This router supports external routing ingestion

C.This router has established an adjacency relationship

D.This router is a DR

Question 25

The following statement about RSTP root protection is correct?

A.After opening the root-protected port and receiving the RSTBPDU with a higher priority, if it does not continue to receive the RSTBPDU with a higher priority for a period of time, it will return to the normal forwarding state

B.It is recommended that you turn it on on a switch that is at the edge of the network

C.The port that turns on the root protection receives the RST BDPU with a higher priority and will enter the error-down state

D.Turning on root protection on the root port takes effect

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