Huawei H12-224 Practice Test - Questions Answers, Page 29
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BFD (a fast detection technology) enabled on a device quickly identifies a fault and reports the fault to the appropriate protocol module after detecting a master/ slave switchover on the neighboring device. This causes the protocol module to quit the GR. As such, BFD and GR cannot be used together.
QoS can be performed in which of the following modes? (Choose three.)
Exhibit:
Based on the DSCP field (first 6 bits of the ToS field), packets can be classified into how many types?
Simple traffic classification can be performed based on which of the following information in VLAN packets?
The dynamic LACP requires devices at both ends to exchange protocol packets, while the static LACP does not require so.
Which of the following statements about VRRP fast switchover are true? (Choose three.)
Which of the following numbers is the protocol number of VRRP packets?
Traffic shaping usually buffers packets that need to be dropped by traffic policing by means of buffer and token bucket.
In case of congestion, which of the following indexes will affect QoS? (Choose three.)
BFD detects the link status immediately after a BFD session is set up. If BFD parameters are modified or deleted at one end of the BFD session, the other end will consider such a modification or deletion as a fault and services will be then affected. Therefore, exercise caution when modifying or deleting BFD parameters.
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