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Huawei HCIP-Datacom Sample Questions:

1. When there are multiple redundant links in an IS-IS network, multiple equal-cost routes may appear. Which of the following statements is wrong about equal-cost routing within an IS-IS network?

A) A priority can be specified for each route in the equal-cost route, and the route with higher priority will be preferred. the rest as backup routes
B) If load sharing is configured, the traffic will be evenly distributed to each link
C) When the number of equal-cost routes in the network is greater than the number configured by the command, and these routes have the same priority, the route with the larger next-hop device System ID is preferred for load balancing.
D) After the equal-cost route priority is configured, when the IS-IS device forwards the traffic reaching the destination network segment, it will not adopt the load balancing method, but forward the traffic to the next hop with the highest priority

2. IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. A campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection.
As shown in the figure, the IPV4 and IPv6 costs of this network are the same, and R1 and R4 only support IPV4. By default, in the IPv6 shortest path tree formed by calculation, the next hop device for R2 to access R6 is: ( ). (Note: the device name must be the same as the figure, such as: R1)

A) R3

3. To speed up the detection of link failures in IS-IS networks, you can associate IS-IS with BFD.

A) FALSE
B) TRUE

4. The output information of a router is as follows. Which of the following causes the OSPF adjacency cannot be established normally? (Multiple choice)

A) Inconsistent area types
B) Inconsistent area numbers
C) The interval between sending Hello packets is inconsistent
D) The IP address mask of the interface is inconsistent

5. The QoS technique commonly used for congestion avoidance is?

A) LR
B) Car
C) GTS
D) WRED

Solutions: