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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. After which of the following parameters are modified does an IS-IS neighbor relationship need to re- established?

A) The interval at which an IS-IS interface sends IIH packets is changed.
B) The level of an ISIS interface is changed.
C) The IP address of an ISIS interface is changed.
D) The cost of an IS-IS interface is changed.

2. GRE is a VPN encapsulation technology that is widely used to transmit packets across heterogeneous networks. Which of the following statements is false about GRE?

A) GRE can work with other VPN protocols to better ensure data security.
B) GRE supports encryption and authentication.
C) GRE is a Layer 3 VPN encapsulation technology.
D) GRE supports multicast transmission.

3. IGMP snooping enables a switch working at Layer 3 to establish a Layer 3 multicast forwarding table by listening to IGMP messages exchanged between the upstream Layer 3 device and the user hosts. The switch working at Layer 3 manages and controls the forwarding of multicast data packets based on the Layer 3 multicast forwarding table, thus suppressing multicast data flooding on the Layer 3 network.

A) FALSE
B) TRUE

4. On an RSTP network, port priorities may be compared during root port or designated port election. Which of the following values is the default priority of a port on a Huawei switch?

A) 32768
B) 4096
C) 128
D) 1

5. On an OSPF network, two directly connected routers fail to establish a neighbor relationship. The display ospf error command is run on one of the routers, and the command output is as follows:

Based on the command output, which of the following is the cause of the problem?

A) OSPF Auth Data values are the same.
B) OSPF Auth Types are the same.
C) OSPF area IDs are the same.
D) OSPF router IDs are the same.

Solutions: