Huawei Huawei Certifications H12-891 Questions & Answers

• Question 131:

  What is the relationship between CIR, BC and TC? (single select)

  A. CIR=TC/BC

  B. CIR=BE/TC

  C. TC=CIR/BC

  D. TC=BC/CIR

  Correct Answer: D

• Question 132:

  Both the CSNP packet of ISlS and the DD packet of OSPF have a role in the MA network, describing the role of the link state database summary, which is correct compared to the following statements of these two types of messages

  A. Both packets need to be confirmed to the terminal router after being sent, otherwise they need to be retransmitted

  B. Once the adjacency relationship is established, the CSRP packet and the D message will stop sending

  C. The two packets do not need to be confirmed to the router after they are sent the master-slave relationship in the DD message interaction of

  D. OSPF is not identity bound to dr/BDR; the CSN message is generated only by DIS

  Correct Answer: D

• Question 133:

  The value of OSPF and BFD linkage is ? Radio

  A. Any change in BFD status is realized by detecting the BFD at the millisecond level, which correlates the OSPF state and realizes the purpose of OSPF rapid sensing link state

  B. Does not affect OSPF neighbor status

  C. BFD packet transmission interval can reach the 100-second level, which is slower than the OSPF induction link state

  D. OSPF's hello send interval is seconds, which is faster than BFD inductive link state

  Correct Answer: A

• Question 134:

  What kind of scenario can use AS one path and one filter?

  A. Filter routes received from BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peer x.X.x.x as path-filter import

  B. The apply clause in Routepolicy

  C. Filter routes sent to BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peerx. X.x.x as path-filter export

  D. If-natch clause answer in Route-policy.

  Correct Answer: ACD

• Question 135:

  A router Router LSA is shown in the figure, and the error in the following statement is ?

  

  A This router supports external routing ingestion

  A. This router is a DR

  B. The Router ID of this router is 100121

  C. This router has established an adjacency relationship

  Correct Answer: B

• Question 136:

  Which of the following configurations for OSPFv3 route aggregation is correct?

  A. [Huawei]ospf3 1 [Huawei-ospv3-1]area 1 [Huawei-ospf3-1-area-0001] abr-summary fo0:0 0:48 cost 400

  B. [Huaweijinterface gigabitethernet 1/0/0[Huawei-GigabilEthemnet1 / 0/0] asbr-summany fcOO:0048 cost

  C. [Huawei] ospfs 1 [Huawei-ospf3-1] asbr-summary fcO0:O:0:.48 cost 20 tag 10o

  D. Huawei]ospv3 1 [Huawe-ospt/3-1]area 1 Huawei-osph3-1-area-0001]asbr-summary fc000:048 cost 20 tag 100E. [Huawei] ospfv3 1 [Huawei-ospfv3-1] abr-summary fc000:0;.48 cost 400

  Correct Answer: A

• Question 137:

  One of the things you're doing is compressing the length of ip6 addresses as much as possible . The existing IP6 address is 2013xX0C130F006009cO87641308, to be able to make this P6 address more concise, you can compress the IP6 address into which of the following?( Single choice questions).

  A. 2013:0:130F:0:0:09CO:876Answer: 130B

  B. 2013:130F::9CO:876Answer: 130B

  C. 2013:0:130F:0:0:9CO:876Answer: 130B

  D. 213::13F::9C:876Answer: 13B

  E. 2013:0:130F::9CO:876Answer: 130B

  Correct Answer: E

• Question 138:

  In an IPv6 network, two nodes A and B are neighbors to each other if node A sends to node B NS message, if Node B receives the message and then replies to the NA message, then on Node A On the view, the neighbor status will be marked as What?

  A. Reachable

  B. Incomplete

  C. Constant

  D. Probe Answer

  Correct Answer: A

• Question 139:

  The correct description of configuring BGP4+ is that

  A. BGP4+ does not support route reflectors.

  B. The next hop of a B. BGP4 route can use the Link-Local address.

  C. BGP4 configures the reflector, the role positioning of the reflector and the client needs to be consistent with the configuration of BGP4

  D. BGP4 specifies p

  E. BGP4+? Router-ID ? BGP4 ? Router-ID--??

  Correct Answer: BE

• Question 140:

  The following is correct about the LSA of OSPFv3

  A. The Link State ID of inter-area prefix-SA, which contains prefix information

  B. Router-LSA and Network-LSA do not contain routing information

  C. When the Referenced Link State Type-2 of the Intra-AreaPrefixLSA, referenced Link State ID Contains the interface ID of the DR

  D. Inter-Area PrefirLSA also contains LinkLocal Information

  Correct Answer: BC