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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Refer to the following command output on the router R1. Which of the following statements is incorrect?
<R1> display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:23 UTC-08:00
Description: ! 0.0.3.3
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.1/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.1.1 (LoopBack0), destination 10.0.3.3
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled
Current system time: 15:21:37-08:00
300 seconds input rate 0 bits/sec, 0 packets/sec
300 seconds output rate 0 bits/sec, 0 packets/sec
13 seconds input rate 0 bits/sec, 0 packets/sec
13 seconds output rate 448 bits/sec, 0 packets/sec
9 packets output, 824 bytes
0 output error
Input bandwidth utilization : -
Output bandwidth utilization : -

A) The destination IP address of the tunnel is 10.0.3.3.
B) The tunnel is a GRE tunnel.
C) Keepalive detection is enabled on the tunnel.
D) Key authentication is disabled for the tunnel.

2. Fill in Blank
As shown in the figure, 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.)

3. As shown in the figure, PE1 establishes an EVPN peer relationship with each of PE2 and PE3. When the network is initialized, CE1 sends an ARP request packet.
Which of the following statements are correct about how a PE processes the packet?

A) PE2 forwards the packet to CE1.
B) When forwarding the packet to PE3, PE1 needs to add the BUM traffic label allocated by PE3 to the packet.
C) PE1 sends a MAC/IP advertisement route carrying the MAC address of CE1.
D) PE3 forwards the packet to CE1.

4. An LSR supports various label retention modes. Which of the following statements regarding the liberal mode are correct?

A) This label retention mode saves the memory and label space.
B) An LSR retains labels from a neighboring LSR only when the neighbor is its next hop.
C) Liberal mode allows the device to retain labels from all LSRs, not just the next hop.
D) An LSR reserves all labels distributed by its neighbor.

5. In the SD-WAN Solution, which routing protocols can be used by LAN-side devices to connect to a Layer 3 network?

A) RIP
B) OSPF
C) BGP
D) IS-IS

Solutions: