Free Huawei H12-891_V1.0 Exam Questions

Become Huawei Certified with updated H12-891_V1.0 exam questions and correct answers

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Total 614 Questions | Updated On: Apr 20, 2026

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Question 1

The RSTP protocol provides a variety of protection functions, such as when the edge port is configured as a protection state, the edge port receives the BPDU packet processing method;

A : rectly discard the BPDU packet

B : ose the port

C : ter parsing the BPDU message, the relevant information is obtained

D : rward BPDU packets as required

Answer: B

Question 2

Which of the following attacks are DoS (Denial of servioe) attacks?( Multiple choice question)

A : ngle packet attack

B : urce P address spoofing attack

C : n-in-the-middle attack

D : ood Attack

Answer: A,D

Question 3

The multicast protocol that can generate multicast distribution trees is ?

A : MPv2

B : P

C : PF

D : MV2

Answer: D

Question 4

Is the following statement about VLAN aggregation correct?

A : b-VLAN is used to isolate broadcast domains

B : uper VLAN can contain one or more Sub-VLANs

C : super Sub-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface

D : b-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface

Answer: A,B

Question 5

?? ipIp- prefoi p prefierame lndeindeoxrunmber)( pemit demy)ip+4adrssmasklengh gratrequa grater-cqual abel]lescqualesequl ole) for • Pprefofiier? If a pre-list of tooequal has been specified, but the greater-equal has not been specified, then how much of the prefix's range is sufficient?(). Radio neck).

A : [0, less-equal-value]

B : [mask-length, less-equal-value]

C : [less-equal-value,32]

D : limit

Answer: B

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Total 614 Questions | Updated On: Apr 20, 2026

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