Huawei H12-821_V1.0 Exam : HCIP-Datacom-Core Technology V1.0

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?

A) Report message
B) Specifying a multicast source
C) Leave message
D) Group-Specific Query message

2. On the OSPF network shown in the figure, an adjacency has been established between R1 and R2. An engineer configures the commands in the figure on R2. In this case, which of the following routing entries may exist in the routing table of R2?

A) 10.1.2.0/24
B) 10.1.4.0/24
C) 10.1.3.0/24
D) 10.1.1.0/24

3. On a WLAN, MAC address authentication controls network access rights of a user based on the user ' s access interface and terminal MAC address.
Which of the following statements is false about MAC address authentication?

A) By default, the MAC address of a terminal is used as the user name and the last 6 hexadecimal digits of the terminal MAC address are used as the password for MAC address authentication.
B) No client software needs to be installed on user terminals.
C) User passwords can be processed using PAP or CHAP.
D) A MAC address authentication system consists of three types of entities: terminal, access device, and authentication server.

4. In addition to numerous normal service packets, the CPUs of devices on a network may also receive large numbers of attack packets. To ensure that the CPUs can properly respond to normal services, the devices provide the local attack defense function.
Which of the following statements are true about this function? (Select all that apply)

A) The device can schedule the protocol packets to be sent to the CPU in the attack defense policy based on the protocol priorities so that the packets with higher priorities are processed preferentially.
B) CPU attack defense can also take effect on the management interface of the device.
C) Regardless of the packet type, the same rate limit must be set to reduce the number of packets sent to the CPU.
D) To ensure that session-based application-layer data runs properly during an attack, you can configure the dynamic link protection function.

5. BGP is a distance-vector protocol that implements route reachability between ASs and selects optimal routes.
Which of the following statements are true about this protocol?

A) BGP provides various routing policies.
B) BGP uses TCP as the transport layer protocol.
C) BGP supports automatic peer discovery.
D) BGP does not support authentication. Therefore, it cannot ensure network security.

Solutions: