Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 761:

  Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?

  A. ::1/128
  B. FE80::/10
  C. FE80::/10
  D. 2000::/3
  D. 2000::/3

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• Question 762:

  Which of the following GR description about IS-IS is correct?

  A. The GR feature of IS-IS is enabled by default.
  B. IS-IS GR has a total of four timers.
  C. IS-IS GR notifies events and maintains neighbor relationships through CSNP messages.
  D. IS-IS GR defines a new TLV structure to support this feature.
  D. IS-IS GR defines a new TLV structure to support this feature.

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• Question 763:

  A client sends an HTTP request to a server, and the server sends back an HTTP response. Which of the following parameters is not carried in the HTTP response?

  A. Reason phrase
  B. Status code
  C. Protocol version
  D. URI
  D. URI

• Question 764:

  Refer to the exhibit.

  

  Which of the following steps are mandatory to enable 802.1X authentication on GE0/0/2 and GE0/0/3 of SW3 and configure a RADIUS server to authenticate and deliver network access rights to users? (Choose four)

  A. Configure an AAA scheme.
  B. Configure an authentication profile.
  C. Configure an authentication domain.
  D. Configure an 802.1X access profile.
  A. Configure an AAA scheme.
  B. Configure an authentication profile.
  C. Configure an authentication domain.
  D. Configure an 802.1X access profile.

• Question 765:

  When judging the old and new LSA, the sequence number parameter and the age parameter are used, and the following two parameters are correct for?

  A. When the router receives two LSAs where the sequence number is the same and the checksum is the same, the smaller the age, the better
  B. When the router receives an LSA whose age is set to 3600 s, the LSA is unavailable
  C. If the sequence number of the LSA reaches the end value of 0x7FFFFFFF, the current router advertises an LSA with an age of 3600 s
  D. Both the sequence number and age parameters can determine whether the LSA is old or new, and the router prioritizes the sequence number to participate in the comparison, and the larger the better
  C. If the sequence number of the LSA reaches the end value of 0x7FFFFFFF, the current router advertises an LSA with an age of 3600 s

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  Explanation

• Question 766:

  In the Huawei SD-WAN Solution, the topologies of different VNs must be the same.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 767:

  To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of the following messages is required?

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

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  Explanation

• Question 768:

  In the Huawei CloudCampus Solution, which of the following devices can go online through the registration query center? (Choose four)

  A. Switch
  B. AR
  C. AP
  D. Firewall
  A. Switch
  B. AR
  C. AP
  D. Firewall

• Question 769:

  Regarding IPv6 over IPv4 tunneling, which of the following statement is correct? (Choose two)

  A. The 6to4 automatic tunnel requires the use of a specific IPv6 address segment, and the assigned address segment is preceded by 3ffe::/16
  B. When configuring manual tunneling on the VRP platform, a Tunnel interface is generally created; when configuring automatic tunneling, a Vlan-Template interface is usually created
  C. The ISATAP tunnel determines the destination IPv4 address of the tunnel based on the destination IPv6 address
  D. All automatic tunnels encapsulate data in the same way
  E. Automatic tunneling has great advantages over manual tunneling, and manual tunneling will be phased out
  C. The ISATAP tunnel determines the destination IPv4 address of the tunnel based on the destination IPv6 address
  D. All automatic tunnels encapsulate data in the same way

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• Question 770:

  The NETCONF content layer contains device configuration data. Consider the following NETCONF configuration:

  merge

  rollback-on-error

  10

  0

  Which of the following statements are correct? (Choose three)

  A. The NETCONF operation loads the configuration into the startup datastore.
  B. The Huawei YANG model is used.
  C. VLAN 10 is created on the target device.
  D. The element uses an operation attribute so the modified data is merged.
  B. The Huawei YANG model is used.
  C. VLAN 10 is created on the target device.
  D. The element uses an operation attribute so the modified data is merged.