Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 311:

  The firewall has created some security zones by default. Which of the following security zones does not exist by default on the firewall?

  A. Internet
  B. Local
  C. Trust
  D. DMZ
  A. Internet

• Question 312:

  With an existing network running OSPF, what types of LSAs cause ISPF operations? (Choose two)

  A. Type 2 LSA
  B. Type 3 LSA
  C. Type 1 LSA
  D. Type 5 LSA
  E. Type 4 LSA
  A. Type 2 LSA
  C. Type 1 LSA

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• Question 313:

  BGP EVPN performs MAC address advertisement, ARP message advertisement, and IRB route advertisement through which BGP EVPN route type?

  A. Type 3
  B. Type 2
  C. Type 4
  D. Type 1
  B. Type 2

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  Explanation

• Question 314:

  Mainstream Layer 2 tunneling technologies include VXLAN TRILL, NVGB and MPLS.

  A. FALSE
  B. TRUE
  A. FALSE

• Question 315:

  The router is running both OSPFv3 and IS-IS, and the OSPFv3 route needs to be imported into IS-IS. Which of the following import configurations is correct? (Choose two)

  A. Huawei isis 1 Huawei-isis-1 level level-1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 ipv6 enable topology standard Huawei-isis-1 ipv6 import-route ospfv3 1
  B. Huawei isis 1 Huawei-isis-1 level level-1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 ipv6 enable topology standard Huawei-isis-1 ipv6 import-route ospfv3 1
  C. Huawei isis 1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 ipv6 enable topology standard Huawei-isis-1 ipv6 import-route ospfv3 1
  D. Huawei isis 1 Huawei-isis-1 level level-1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 import-route ospfv3 1
  A. Huawei isis 1 Huawei-isis-1 level level-1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 ipv6 enable topology standard Huawei-isis-1 ipv6 import-route ospfv3 1
  C. Huawei isis 1 Huawei-isis-1 network-entity 47.0001.0000.0020 Huawei-isis-1 ipv6 enable topology standard Huawei-isis-1 ipv6 import-route ospfv3 1

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• Question 316:

  In the topology shown in the figure, running the OSPFv3 protocol over the entire network does not produce which type of LSA on R1 without external route introduction?

  

  A. Intra-Area-Prefix-LSA
  B. Inter-Area-Router-LSA
  C. Link-LSA
  D. Inter-Area-Prefix-LSA
  B. Inter-Area-Router-LSA

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  Explanation

• Question 317:

  Which of the following descriptions of Huawei device Eth-Trunk link aggregation characteristics is correct?

  A. Link aggregation enables load balancing based on TCP or UDP ports
  B. Link aggregation cannot be deployed across devices
  C. Link aggregation can be applied to both Layer 2 and Layer 3 devices
  D. Link aggregation can only be applied to Layer 2 devices
  C. Link aggregation can be applied to both Layer 2 and Layer 3 devices

• Question 318:

  A routing tool can define multiple entries. Which tool will automatically add a deny-any entry at the end of the configuration? (Choose four)

  A. Route policy
  B. Community-filter
  C. IP-prefix
  D. AS-path-filter
  A. Route policy
  B. Community-filter
  C. IP-prefix
  D. AS-path-filter

• Question 319:

  In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following fields is NOT carried in BGP EVPN Type 5 routes?

  A. Route Distinguisher
  B. MAC Address
  C. GW IP Address
  D. IP Prefix Length
  B. MAC Address

• Question 320:

  IPsec SAs can be established in either manual mode or IKE auto-negotiation mode. Which of the following statements about the two modes is incorrect?

  A. The lifetime of an SA established in IKE auto-negotiation mode is controlled by the lifetime parameters configured on both ends of the tunnel.
  B. In manual mode, all parameters (including encryption and authentication keys) required for establishing an IPsec SA need to be manually configured.
  C. In IKE auto-negotiation mode, the encryption and authentication keys required for establishing an SA are generated using the DH algorithm.
  D. SAs established in both manual and IKE auto-negotiation modes can be dynamically updated.
  D. SAs established in both manual and IKE auto-negotiation modes can be dynamically updated.