Free Access Huawei.H12-891_V1.0.v2022-10-03.q184 Practice Test (Page 35)

Question 166

The correct description about the prefix list is:

A.The prefix list cannot be used for packet filtering

B.The prefix list is used to filter IP prefixes, and cannot match both the prefix number and the prefix length

C.The prefix list is used to filter P prefixes and can match both prefix numbers and prefix lengths

D.The prefix list can be used to filter packets

Question 167

Configure queue-based traffic shaping, which defaults to tailing if the queue length exceeds the cache size

A.False

B.True

Question 168

The following about BGP routing, describing the error, is ?

A.In PrefVal, Local_ Preference is equal to the case if the route is generated locally, IBGP Routing, the BGP preference for EBGP routing, is generated effectively referring to route priority.

B.For next_hop unreachable routes when invalid routes, do not participate in the preferred.

C.See the following entry in the BGP routing table:* 172161.11/32 000010 0? Indicates that the route is available non-optimal

D.non-aggregate routes take precedence over aggregate routes

Question 169

As shown in the figure, SWA, SWB runs the PSTP protocol, and Cost of Path remains the default without modification, so the following statement is correct

A.SWB will become the root bridge

B.SWA On GEO/0/1 for backup port

C.GE0/0/2 on SWB is Alternative port

D.GEO/0/1 on ASWB is Alternative port

Question 170

When you troubleshoot a local area network with Huawei equipment deployed, you find that there are a large number of unicast frames with unknown source AC addresses in the local area network . A large number of unknown source MAC addresses single-plug frames can cause the switch the biggest danger is ?

A.Consumes a TCAM table entry

B.Consume the available bandwidth

C.Increases the power consumption of the power supply

D.Consume the MAC address table entry available in the system

E.Memory that occupies the cache ton

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Question 166

Question 167

Question 168

Question 169

Question 170

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