Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 211:

  Link state information is isolated by default between different IS-IS processes on the same router.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 212:

  Which of the following are single-packet attacks? (Choose three)

  A. Special control message attacks
  B. Scan probe attack
  C. DDoS attack
  D. Malformed message attack
  A. Special control message attacks
  B. Scan probe attack
  D. Malformed message attack

• Question 213:

  Congestion management technology can be used to discard data packets in the buffer queue to prevent the buffer queue from being exhausted.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 214:

  DRAG DROP

  Drag each OSPFv3 LSA type on the left to its corresponding transmission range on the right.

  Select and Place:

  

  

• Question 215:

  iMaster NCE-Campus provides the terminal identification function to display the terminal type, operating system, and manufacturer information.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 216:

  Which of the following attacks are DoS (Denial of servioe) attacks? (Choose two)

  A. Single packet attack
  B. Source P address spoofing attack
  C. Man-in-the-middle attack
  D. Flood Attack
  A. Single packet attack
  D. Flood Attack

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• Question 217:

  A network administrator runs the display telemetry subscription command on a device to check telemetry subscription information. The command output is as follows. Which of the following statements is incorrect?

  [~CE] display telemetry subscription

  Sub name : Sub1

  Sensor group: Sensor-nameSample-interval(ms) State Sensor11000 RESOLVED

  Destination group: Dest-nameDest-IPDest-port StateVpn-nameProtocol Dest1192.168.56.120030RESOLVED-GRPC

  Sub state : PASSIVE

  Total subscription number is : 1

  A. The device sends sampled data every second.
  B. The subscription mode is static subscription.
  C. The IP address of the device is 192.168.56.1.
  D. The subscription name is Sub1.
  C. The IP address of the device is 192.168.56.1.

• Question 218:

  In a VXLAN network, what component is responsible for connecting traffic to the VXLAN network and facilitating communication within the same subnet of the VXLAN network?

  A. NVE interface
  B. VXVAN L2 Gateway
  C. VXLAN L3 Gateway
  D. VLANIF interface
  B. VXVAN L2 Gateway

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  Explanation

• Question 219:

  When an administrator configures VRRP, which of the following is not required? (Choose three)

  A. Preemption mode
  B. Priority of the virtual router
  C. Preemption delay
  D. Virtual IP address
  A. Preemption mode
  B. Priority of the virtual router
  C. Preemption delay

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• Question 220:

  In an MPLS BGP VPN network that does not enable MPLS penultimate-hop popping (PHP), when the packet reaches the last-hop PE, it carries two labels -- and the two label values may be the same.

  A. TRUE
  B. FALSE
  A. TRUE