Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 631:

  In the firewall hot standby scenario, which of the following status information can be backed up between the active and standby firewalls? (Choose three)

  A. Server mapping table
  B. AAA user table (excluding the default user admin)
  C. Session table
  D. Dynamic MAC address table
  A. Server mapping table
  B. AAA user table (excluding the default user admin)
  C. Session table

• Question 632:

  Which of the following types of LSAs does OSPF use to support SR-MPLS?

  A. Type 7 NSSA External LSA
  B. Type 10 Opaque LSA
  C. Type 1 Router LSA
  D. Type 2 Network LSA
  B. Type 10 Opaque LSA

• Question 633:

  In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following BGP EVPN routes is used to advertise MAC addresses, ARP entries, and IRB routes?

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

• Question 634:

  If the Option field value in an OSPFv3 Hello message issued by a router's Gigabit Ethernet 0/0 interface is 0x000013, which of the following statements is correct? (Choose three)

  A. The Gigabit Ethernet 0/0 interface of Router A adds IPv6 routing to computations.
  B. Router A's Gigabit Ethernet 0/0 interface belongs to an NSSA (Not-So-Stubby Area).
  C. Router A supports AS-External-LSA flooding.
  D. Router A is an OSPFv3 device with forwarding capability.
  A. The Gigabit Ethernet 0/0 interface of Router A adds IPv6 routing to computations.
  C. Router A supports AS-External-LSA flooding.
  D. Router A is an OSPFv3 device with forwarding capability.

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  Explanation

• Question 635:

  Assuming that the shaping rate of a port is 100 Mbps, and the input load and PIR of each service queue on the interface are as follows, then after shaping, the output rate of the queue is:

  

  A. 30M
  B. 15M
  C. 90M
  D. 25M
  D. 25M

• Question 636:

  SSH connections are usually established based on TCP/IP connections. In specific cases, SSH connections can be established based on UDP connections.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 637:

  As shown in the figure, in the HUB and Spoke networking mode of an MPLS BGP VPN, the branches must only communicate with the headquarters, and branches must not communicate with each other. When configuring the Route Target (RT), which of the following scenarios meets this requirement?

  

  A. Import Target: 1:2; Export Target: 1:2
  B. Headquarters: Import Target: 1:1; Export Target: 3:3
  C. Headquarters: Import Target: 2:2; Export Target: 3:3
  D. Headquarters: Import Target: 1:2; Export Target: 3:12
  D. Headquarters: Import Target: 1:2; Export Target: 3:12

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  Explanation

• Question 638:

  As shown in the topology, EBGP is running between AS100, AS200, AS300, and AS400, and all neighbor relationships have been successfully established. When AS100 advertises the 1.1.1.1/32 CIDR BGP route, which of the following AS_Path sequences is correct as received by AS400?

  

  A. 100, 200, 3
  B. 400, 300, 200, 100
  C. 100, 200, 300, 400
  D. 300, 200, 100
  D. 300, 200, 100

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• Question 639:

  Which of the following can be used to transmit traffic to a VXLAN network and implement intra-subnet communication on the same VXLAN network?

  A. Layer 3 VXLAN gateway
  B. NVE interface
  C. VLANIF interface
  D. Layer 2 VXLAN gateway
  B. NVE interface

• Question 640:

  A network administrator runs the display telemetry subscription command on a device to check telemetry subscription information. The command output is as follows:

  [~CE] display telemetry subscription

  Sub-name : Sub1

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

  Destination group: Dest-nameDest-IPDest-port StateVpn-nameProtocol Dest1192.168.56.120000RESOLVED-GRPC

  Sub-state : PASSIVE

  Total subscription number is: 1

  Which of the following statements is incorrect?

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