Huawei H12-821_V1.0 Practice Test - Questions Answers, Page 18

After HSB is configured, the HSB channel fails to be established and cannot back up information on the active device to the standby device. What are the possible causes for this HSB function failure?

Which of the following statements about WLAN roaming are false?

The native AC function allows an agile switch to integrate AC capabilities, achieving wired and wireless convergence. The agile switch centrally manages wired and wireless service traffic.

In IPv6, interface IDs can be manually configured, automatically generated by the system, or generated based on the IEEE EUI-64 standard.

When a packet passes through a firewall, the firewall creates a session connection for the packet to guide subsequent forwarding of the packet. However, the firewall does not create session entries for all packets. For which of the following packets does the firewall not create session entries when the packet reaches the firewall?

BFD provides fast fault detection independent of media and routing protocols. To use this mechanism to detect link connectivity, devices at both ends must support this feature.

During routine maintenance, an enterprise administrator runs a command to check VRRP group information. Which of the following statements is false about the command output?

yaml

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<HUAWEI> display vrrp verbose

Vlanif100 | Virtual Router 1 State: Master

Virtual IP: 10.1.1.100

Master IP: 10.1.1.2

PriorityRun: 120 PriorityConfig: 120

DR: None BDR: None MTU: 0

Preempt: YES Delay Time: 20s

Remain: --

Track: YES Priority Reduced: 20

Auth Type: MD5

BFD-session State: UP

Which of the following is used as the destination port for single-hop BFD?

When deploying a VRRP network, an enterprise administrator sets the virtual IP address to 192.168.1.254 and VRID to 1. Which of the following is the virtual MAC address after the network becomes stable?