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: Oct 24, 2026

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Question 1

Which of the following does the digital certificate not contain?

A : gital envelopes

B : ued by

C : gital signature

D : Public key information

Answer: A

Question 2

If you run PIM-SM in a multicast network, you need to build a multicast forwarding tree between the multicast

source and the receiver to enable the receiver to receive the multicast effect, so what are the following options

for the correct tree sketch for the build?

A : What is built between the multicast source and the RP is the SPT tree

B : and the receiver is built between the RPT tree

C : ilt between the RPT tree

D : and the swap is the SPT tree

Answer: A,B

Question 3

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

A : ue

B : lse

Answer: B

Question 4

In different scenarios, RSTP provides different protection functions, and the wrong statement about this statement is

A : root protection feature is enabled for the specified port, and its port role can only remain as the specified port

B : en the anti-TC-BPDU packet attack feature is enabled, the number of times the switching device processes IC BPDU packets per unit time is configurable

C : ter the BPDU protection function is enabled on the switching device, if the edge port receives RST BPDU, the edge port will be set to a non-remote port and the spanning tree calculation will be re-performed

D : art the specified port of root protection, when the port receives a better RSTBPDU, the port will enter the Discarding state and is no longer forwarding packets. If the port does not receive a better RSTBPD for a period of time then automatically revert to the normal Forwarding state

Answer: C

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

Page: 1 / 123

Total 614 Questions | Updated On: Oct 24, 2026

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