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: Mar 28, 2025

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Question 1

Router HW1 exists in the carrier HW's network as an MPLSLSR router. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle that message?

A : uter HW1 strips off the label and looks for the FIB using the P destination address

B : uter HW1 uses LDP to create an LSP and creates a new path in LFIB for the label carried in the message

C : uter HW1 drops the message

D : uter HW1 will forward the message with the default label

Answer: C

Question 2

Regarding the BGP alliance, the following description is wrong? Radio

A : consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS

B : bsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems.

C : nsortium can easily detect the routing loop within the AS because EBGP is running between the subAS

D : subas number of the federation, which by default is advertised to the BGP peer outside the federation

Answer: D

Question 3

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 4

In an IPv6 network, two nodes A and B are neighbors to each other if Node A sends NS messages to Node B if node B is B After receiving the message, reply to the NA message, then view it on node A, what will the neighbor status be marked? (Single Choice Questions).

A : achable

B : complete

C : ale

D : obe

Answer: A

Question 5

The following statement about IPSec VPN is correct ?qo

A : o routers establish an IPSec VPN in brutal mode, so that the two devices can interact with a minimum of 4 messages to establish a tunnel.

B : utal mode can support NAT traversal, while main mode does not support NAT traversal.

C : The two routers can establish OSPF neighbor relations and exchange intranet routes through the IPSecVPN tunnel

D : The two routers establish IPSecVPN in main mode, and from the 5th packet (included), the payload'sdata will be encrypted.

Answer: D

Page: 1 / 123

Total 614 Questions | Updated On: Mar 28, 2025

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