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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

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

1. Which of the following descriptions of multicast MAC addresses are incorrect? (Multiple choice)

A) One multicast MAC address can correspond to multiple multicast IP addresses.
B) The function of the multicast MAC address is to identify receivers belonging to the same multicast group on the link layer.
C) The high 24 bits of the multicast MAC address are 0x01005e, the 25th bit is fixed to 1, and the low 23 bits of the MAC address are the low 23 bits of the multicast IP address.
D) One multicast IP address can correspond to multiple multicast MAC addresses.

2. Which of the following descriptions about the Options field in the DHCP message are correct?
(Multiple choice)

A) Option 82 is called the relay agent information option, which records the VLAN ID of the switch port connected to the DHCP client
B) The Options field consists of three parts: Type, Length and Value
C) Option 82 does not contain the MAC address of the relay device
D) Option 82 can contain up to 256 Sub-Options

3. Recognized attributes in BGP are attributes that all BGP routers must recognize and be included in Update messages.

A) FALSE
B) TRUE

4. Which of the following protocols does not support network configuration management?

A) NETCONF
B) LLDP
C) SNMP
D) SSH

5. By default, VRRP on Huawei AR routers runs in preemption mode.

A) FALSE
B) TRUE

Solutions: