Huawei Huawei Certifications H12-891 Questions & Answers

• Question 541:

  There are many ways to establish a cluster on a box switch, what methods does Huawei frame switch support to establish a cluster?

  A. Set up via a cluster card on the motherboard

  B. Establish

  C. through the cluster daughter card on the interface board. Establish

  D. through the service interface on the interface board Established by switching the cluster card on the network board

  Correct Answer: ACD

• Question 542:

  The following description of the attributes of BGP is correct?( Single choice questions).

  A. The AS deficit of the adjacent AS is ranked at the far right of the list of AS_Path in the BGP route entry.

  B. When the B. BGP Speaker publishes a route learned from an EBGP peer to an IBGP peer, it does not change the next hop attribute of that routing information.

  C. Local_Pref is valid only between EBGP peers and is not advertised to third-party AS.

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

  Correct Answer: B

• Question 543:

  Between two directly attached devices that have established an IBGP neighbor, execute the shutdown command to close the interface of one of the devices. The BGP connection is not immediately disconnected.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 544:

  When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id

  A. True

  B. False

  Correct Answer: B

• Question 545:

  The following statement about IPSec VPN is correct ?qo

  A. Two 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. Brutal 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 IPSec VPN tunnel

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

  Correct Answer: D

• Question 546:

  : :1/128 is the IPV6 loopback address

  A. TRUE

  B. False

  Correct Answer: A

• Question 547:

  Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the routing table of the router R1, the following about the OSPF in the routing table Is the information described correctly?

  A. In the routing table, route table entries identified by the "OSPF" identifier can only be learned through LSAs of Type 3

  B. In the routing table, the routing table entries identified by the "OSPF" identifier can only pass Class 1 LSA

  C. In the routing table, the routing table entries identified by the "OSPF" identifier can be learned through the 1/2/3/5 LSA

  D. In the routing table, the routing table entry identified with the "O_ASE" identifier can only be learned by routing introduction

  Correct Answer: D

• Question 548:

  Regarding the Stub region and the Totally Stub region of the OSPF protocol, the following statement is correct (multiple choice)

  A. After modifying the original Stub area to a Totally Stub area, the number of LSAs in the LSDB of each router in the region will definitely be reduced

  B. ASBR cannot be present in either the Stub zone or the Totally Stub zone

  C. When you modify the original Stub area to a Totally Stub region, the number of LSAs propagating within the region will definitely decrease

  D. If there are two ABR in the Totally Stub zone, each ABR sends an LS ID of 0000 to the router in the zone LSA

  Correct Answer: BD

• Question 549:

  LDP and IGP linkage refers to the release of IGP and TD routes to ensure that LDP and IGP linkage complete network efficiency, so that KGP and LDP maintains a consistent path, minimizing traffic loss, thereby improving the reliability of the entire network.

  A. True

  B. False

  Correct Answer: A

• Question 550:

  How do IGMPv2 routers maintain cinderband group membership? Multi-select

  A. The router queries a specific group

  B. The router maintains a timeout timer for each group membership, refreshes the timer if the receiver host is received, and deletes the group membership if the timer times out

  C. The router periodically sends a Query message, and after the receiver host receives the Query message, it reports a Report message

  D. As soon as the leave message is received, the router immediately deletes the group membership

  Correct Answer: BC