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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

1. On the OSPFv3 network shown in the figure, area 1 is a totally stub area, area 2 is a common area, and area 3 is a totally NSSA. The IPv6 address of Loopback0 on R6 is 2000::6/128. The router ID of each router is 10.0.X.X, where X is the number of the router. When all links are normal, which of the following statements are true?

A) The path for data packets from R4 to 2000::6 may be R4 # R2 # R6.
B) The path for data packets from R4 to 2000::6 may be R4 # R1 # R5 # R3 # R6.
C) The path for data packets from R4 to 2000::6 may be R4 # R1 # R3 # R6.
D) The path for data packets from R4 to 2000::6 may be R4 # R1 # R2 # R6.

2. A network engineer provides a troubleshooting report after rectifying a fault. The actual network is simplified into the one shown in the figure, where R1 and R2 both have OSPF enabled, and function as the gateways of PCI and PC2, respectively. Given this, which of the following statements is false?

A) The OSPF routing table of R1 contains a route to 192.168.1.0/24.
B) PC1 and PC2 cannot ping each other.
C) R1 cannot ping 192.168.1.2.
D) The router LSA generated by R1 contains information with the link ID being 192.168.1.0.

3. On the IS-IS IPv6 network shown in the figure, multi-topology is enabled on all routers. The IPv6 address of Loopback0 on R4 is 2000::/128. The IPv6 summary 2000::/64 level-1-2 command is configured in the IS-IS processes of R2 and R1. Which of the following statements is false?

A) The routing table of R3 contains the route 2000::/128.
B) The routing table of R2 contains the route 2000::/64.
C) The routing table of R1 contains the route 2000::/64.
D) The routing table of R2 contains the route 2000::/128.

4. OSPF requires that routers in the same area have the same link state database (LSDB). As the number of routes on the network increases, some routers cannot carry so much routing information due to limited system resources. This state is called database overflow. If the Isdb-overflow-limit number 7 command is run on all routers on an OSPF network, which of the following conditions are likely to cause routers to enter the overflow state?

A) The number of Type 5 LSAs exceeds 7.
B) The number of Type 3 LSAs exceeds 7.
C) The number of Type 7 LSAs exceeds 7.
D) The number of Type 4 LSAs exceeds 7.

5. On an MPLS network where LDP is used to establish LSPs, a transit node directly connected to the ingress node that sends a label request distributes labels to the ingress node only after receiving a label mapping message from the egress node. In this case, which of the following is the correct combination of the label advertisement mode and label distribution control mode?

A) DoD + ordered
B) DU + ordered
C) DU + independent
D) DoD + independent

Solutions: