Free Access Huawei.H12-261_V3.0.v2022-08-02.q111 Practice Test (Page 13)

Question 56

Which of the following descriptions about the properties of BGP is correct?

A.The AS number of the adjacent AS, listed in the AS in the BGP routing entry_ The far right of the Path list.

B.Local Prefs are only valid between EBGP peers and are not advertised to third-party ASs.

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

D.BGP Speaker When the route learned from the EBCP peer is advertised to the IBGP peer, the next hop attribute of the route information is not changed.

Question 57

As shown in the figure, a company has built an OSPF network. The links in the figure all form an OSPF adjacency relationship, and all OSPF devices announce their own loopback interface addresses. One day, the two links of S1-R2 and S2-R1 suddenly failed. In order to check whether the network is running normally, the engineer checked the equipment status. Which of the following descriptions is correct?

A.R5 can learn the loopback route of R2 normally

B.R3 cannot learn the loopback route of R2

C.R1 can normally learn the loopback route of R2

D.R3 can learn the loopback route of R2 normally

Question 58

The security protection actions that can be performed by a secure MAC address do not include which of the following?

A.Protect

B.Remark

C.Restrict

D.Shutdown

Question 59

In a shared network, PIM-SM. Which mechanism is used to prevent duplicate traffic?

A.Register mechanism

B.Join/Prune mechanism

C.Assert mechanism

D.BSR/RP mechanism

Question 60

Which of the following attacks areDoS ( Denial of service) attack?

A.man-in-the-middle attack

B.flood attack

C.Source IP address spoofing attack

D.single packet attack

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Question 56

Question 57

Question 58

Question 59

Question 60

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