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. Which of the following statements regarding multicast MAC addresses are false?

A) The high 24 bits of the multicast MAC address are 0x01005E, the 25th bit is fixed to 1, and the lower
23 bits of the MAC address map to the lower 23 bits of the multicast IP address.
B) One multicast MAC address maps to only one multicast IP address.
C) One multicast MAC address maps to 32 multicast IP addresses.
D) A multicast MAC address identifies receivers of a multicast group on the data link layer.

2. OSPF routers exchange Hello packets to establish neighbor relationships. The Hello packet sending modes vary by network type. On which of the following types of networks are Hello packets multicast?

A) P2MP
B) P2P
C) NBMA
D) Broadcast

3. CPU attack defense uses a multi-level security mechanism to implement hierarchical device protection. Match the following levels with the corresponding protection functions.

4. ICMPv6 messages are classified as error or informational messages.

A) TRUE
B) FALSE

5. Multicast applies to any point-to-multipoint data transmission. Which of the following types of application data can be forwarded in multicast mode?

A) Livestreaming
B) Network TV
C) Real-time audio conferencing
D) Data warehouse

Solutions: