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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. Which of the following reasons may prevent OSPF neighbor relationships from being established?
(Multiple choice)

A) The dr-priority of the two directly connected interfaces is set to 0.
B) The two directly connected interfaces use different network types.
C) The two routers are set with different Process IDs
D) Two routers are configured with the same Router ID.
E) The two directly connected interfaces use the p2p network type, but the IP packet with the destination IP address 224.0.0.6 is refused to be transmitted.
F) The sending intervals of Hello messages between the two routers are inconsistent.

2. The existing R1 and R2 form a VRRP backup group with a VRID of 2. If the user wants to set R1 as the gateway for forwarding data in the backup group, which of the following configurations can be used to achieve this? (Multiple choice)

A) Set the VRRP priority of R2 to 50, and keep R1 at the default value
B) Set the VRRP priority of R1 to 200, and keep the default value of R2
C) Set the VRRP priority of R1 to 255, and keep the default value of R2
D) Set the VRRP priority of R2 to 0, and keep R1 at the default value

3. Regarding the BGP recognized arbitrary attribute, which of the following descriptions are correct?
(Multiple choice)

A) Must be passed between BGP neighbors
B) BGP routers may not recognize
C) It is not required to exist in the Update message, you can decide whether to add it to the Update message according to the specific situation
D) BGP routers must be identified

4. Part of the configuration of a router is shown in the figure, so which of the following descriptions about this part of the configuration is correct?
[HUAWEI] ip ip-prefix plpermit 10.0.192.0 8 greater-equal 17 less-equal 18

A) In the 10.0.192.0/8 network segment, the route with a mask length of 21 will match the prefix list, and the matching rule is allowed
B) In the 10.0.192.0/8 network segment, the route with a mask length of 18 will match the prefix list, and the matching rule is allowed
C) In the 10.0.192.0/8 network segment, the route with a mask length of 19 will match the prefix list, and the matching rule is allowed
D) In the 10.0.192.0/8 network segment, the route with a mask length of 20 will match the prefix list, and the matching rule is allowed

5. Which of the following descriptions of routing interactions between BGP peers are correct? (Multiple choice)

A) All routes sent by peers will be received by the BGP device
B) The BGP device will publish the BGP routes obtained from IBGP peers to all its peers.
C) When routing is updated, the BGP device only sends updated BGP routes.
D) When there are multiple valid routes to the same destination address, the BGP device only advertises the optimal route to the peer.

Solutions: