Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 1:

  FILL IN THE BLANK On a VXLAN-based virtualized network, if the fabric networking mode is centralized gateway networking, the gateway is located on the _____ device. (Capitalize the first letter.)

  Spine

• Question 2:

  FILL IN THE BLANK When static IPsec VPN is used for WAN interconnection in the Huawei CloudCampus Solution, the AP, Router, and _____ can be used as egress devices. (Use full spelling with the first letter capitalized.)

  Firewall

• Question 3:

  FILL IN THE BLANK During the configuration of L3VPNv4 over SRv6 BE, if an RR is deployed in the SR domain, _____ command must be run on the RR to ensure that the PEs at both ends can correctly learn VPNv4 routes.

  ipv4-family vpnv4 unicast enable-srv6

• Question 4:

  FILL IN THE BLANK

  Refer to the exhibit, SR-MPLS is enabled on R1, R2, and R3. The SRGB (Segment Routing Global Block) range on R3 is from 20000 to 21000, and the prefix SID index configured on the loopback1 interface of R3 is 30.

  In this case, the MPLS label corresponding to the loopback1 interface of R3 is _____. (Enter an Arabic numeral without symbols.)

  

  20030

• Question 5:

  FILL IN THE BLANK

  As shown in the exhibit, when PE1 receives an ARP request packet, it forwards the packet to PE4. The packet then carries two labels. The label value 201 is carried by the EVPN Type ____ route. (Enter only digits.)

  

  2

• Question 6:

  FILL IN THE BLANK

  The _____ command can be run to completely isolate Layer 2 and Layer 3 of different interfaces in a VLAN. (Use lowercase letters to supplement the command, which cannot be abbreviated.)

  isolate-user-vlan

• Question 7:

  FILL IN THE BLANK

  Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. HTTP is the most widely used network transmission protocol on the Internet. By default, _____ TCP port number is used.

  80

• Question 8:

  FILL IN THE BLANK

  A VGMP packet is encapsulated with a UDP header and a VGMP header. By default, a VGMP packet uses UDP port _____.

  58888

• Question 9:

  FILL IN THE BLANK

  Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. HTTP is the most widely used network transmission protocol on the Internet. By default, the TCP port number _____ is used. (Fill in Arabic numerals.)

  80

• Question 10:

  FILL IN THE BLANK

  The command ______ can be run to completely isolate Layer 2 and Layer 3 of different interfaces within a VLAN.

  port-isolate mode l2-l3