Huawei HCIE-Datacom H12-891 Questions & Answers

• Question 1:

  Regarding BGP4+, the following statement is correct?

  A. BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the NLRI properties MP_REACH

  B. BGP4+ carries the next hop address of the IPv6 route through the NEXT_HOP attribute

  C. The NEXT_HOP attribute does not exist in BGP4+

  D. BGP4+ carries the prefix and mask length of the IPv6 route through the NLRI attribute

  Correct Answer: AD

• Question 2:

  If you need to configure routing policies on one router. Which of the following parameters does an administrator use to route when deploying a routing policy?( Multiple select).

  A. Protocol

  B. Size of the packet

  C. Application

  D. Throughput Identification of a specific terminal system

  Correct Answer: AB

• Question 3:

  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. Reachable

  B. Incomplete

  C. Stale

  D. Probe

  Correct Answer: A

• Question 4:

  R3 is not established with the RI's IS-IS neighbor, and according to the information in this figure, the possible cause is ?

  

  A. R3 duplicates the System ID of R1

  B. R3 does not match the IS-Level of R1

  C. R3 and R1 interconnection ports circuit-type do not match the lH authentication of

  D. R3 and R1

  Correct Answer: C

• Question 5:

  VrRP priority is not configured as O, devices that issue VRRP priority of 0 stop participating in the VRRP backup group, notifying the backup device to become a laster device as soon as possible without having to wait until the Master_Down_Interval timer times out

  A. True

  B. False

  Correct Answer: A

• Question 6:

  What is wrong with the following statement about digital certificates?

  A. Digital signatures guarantee the integrity of digital certificates.

  B. Digital certificates contain public key information.

  C. Authentication fails when the peer certificate is received within the validity period, but the device itself is in the wrong time if it is not within the validity period of the certificate.

  D. Even if two PRI entities are not in the same CA system, authentication can be completed as long as both parties can recognize each other's CA.

  Correct Answer: D

• Question 7:

  Is the following description of the differences between IGMP name versions correct?

  A. IGMPv1/v2 cannot elect the queryer itself, while IGMPv3 can

  B. IGMPv1 does not support specific group queries, while IGMPv2 does

  C. IGMPv1/2/v3 cannot support the SSM model

  D. For members to leave, IGMPv2/v3 can actively leave, while IGMPvl cannot

  Correct Answer: BD

• Question 8:

  Which levels are common in the OSI reference model and the ICP/IP model? ( Multiple choice question)

  A. Session layer

  B. Data link layer

  C. Transmission layer

  D. Presentation Layer

  E. Physical Layer

  F. Application Layer

  Correct Answer: CF

• Question 9:

  Router HW enables OSPF and router HW has the role of ABR and is configured with abr- summary, so which class LSA Will it be aggregated?( Multi-select) (confirmed).

  A. 1 ?LSA

  B. 2 ?LSA

  C. 3 ?LSA

  D. 4 ?LSA

  E. 5 ?LSA

  Correct Answer: AB

• Question 10:

  In an MPLS domain, depending on how the LSR handles the data, the LSR can be divided into Ingress LSR, Transit LSR, and Transit LSR Egress LSR? For the same FEC An LSR can be an Iningress LSR for that EC or a Transit for that FEC LSR.

  A. TRUE

  B. FALSE

  Correct Answer: A