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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. On an enterprise network, the directly connected interfaces of two OSPF routers are on different network segments and have different masks. To establish an OSPF neighbor relationship between the two interfaces, you can change their network types to which of the following?

A) NBMA
B) Point-to-point
C) P2MP
D) Broadcast

2. SSH is a secure protocol that establishes tunnels for users on insecure networks. Which of the following statements is false about SSH login?

A) When the SSH server function is enabled on a device, the socket obtaining service is also enabled on the device. This makes the device prone to scanning by attackers. As such, the SSH server function and the corresponding port can be disabled when the SSH server function is not required.
B) By default, the port number of the SSH server is 23. You can change the port number of the SSH server to a non-well-known port number to reduce the probability of being scanned and attacked.
C) The SSH server supports authentication. Only users who have passed authentication can log in to the device.
D) An ACL rule can be configured for each VTY channel to control the IP addresses of clients that are allowed to log in to the device.

3. OSPF networks are classified into four types of networks by link layer protocol. Drag the following link layer protocols to the corresponding network types.(Token is reusable)

4. On an STP network, the root bridge, root port, and designated port are elected in sequence. The election rules of these ports are different. List the steps for electing the root port in sequence.

5. The following figure shows a campus network . IS-IS is configured on all routers, and the network runs normally.

By default, which of the following routers have specific routes on the entire network?

A) R3
B) R2
C) R1
D) R7

Solutions: