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Huawei HCIE-Datacom V1.0 Sample Questions:

1. Refer to the following command output on the router R3. Which of the following statements are correct?
<R3> display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:26 UTC-08:00
Description: HUAWEI, AR Series, Tunnel0/0/0 Interface
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.2/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.3.3 (LoopBack0), destination 10.0.1.1
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled

A) The tunnel source IP address is 10.0.1.1.
B) The tunnel destination IP address is 10.0.1.1.
C) The tunnel interface IP address is 20.1.1.2/24.
D) The tunnel interface MTU is 1500 bytes.

2. HTTP/2 is a UDP-based low-delay Internet transport layer protocol.

A) FALSE
B) TRUE

3. 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 reserves all labels distributed by its neighbor.
C) An LSR retains labels from a neighboring LSR only when the neighbor is its next hop.
D) Liberal mode allows the device to retain labels from all LSRs, not just the next hop.

4. As shown in the figure, SW1 and SW2 use asymmetric IRB (Integrated Routing and Bridging) forwarding, and PC1 and PC2 communicate with each other. Which of the following is the destination MAC address of the original data frame in the packet sent from VTEP1 to VTEP2?

A) MAC A
B) MAC D
C) MAC C
D) MAC B

5. When MPLS/BGP IP VPN is deployed, which of the following statements is incorrect about BGP route exchange between PEs and CEs?

A) In a CE multi-homing scenario, the BGP AS number replacement function may cause routing loops. BGP SoO can be used to prevent routing loops at a VPN site.
B) In a scenario where PEs and CEs use BGP to exchange routing information, if two VPN sites have the same private AS number, the AS number replacement function can be used to replace the AS number in a received private network route with any specified AS number. This prevents routes from being discarded because of repeated AS numbers.
C) In a Hub&Spoke scenario, when Hub-CE and Hub-PE run an IGP for communication, EBGP cannot be configured on Spoke-PE or Spoke-CE.
D) When PEs and CEs use BGP to exchange routing information, you do not need to import private network routes to BGP on PEs.

Solutions: