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Home Huawei H12-224

Huawei H12-224 Exam Practice Questions (P. 3)

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Question #21
Which of the following statement about packet marking is false?
  1. A
    TheQosInfo field of the packet can be marked.
  2. B
    The DSCP and IP precedence fields of the IP packet can be marked.
  3. C
    The 802.1p field of the VLAN packet can be marked.
  4. D
    The IP address of the packet can be marked.

Correct Answer:
D

Question #22
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.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #23
QoS can be performed in which of the following modes? (Choose three.)
  1. A
    Best-effort service
  2. B
    Integrated service
  3. C
    Differentiated service
  4. D
    Assured forwarding service

Correct Answer:
ABC

Question #24
Exhibit:

Based on the DSCP field (first 6 bits of the ToS field), packets can be classified into how many types?
  1. A
    4
  2. B
    8
  3. C
    16
  4. D
    64

Correct Answer:
D

Question #25
Simple traffic classification can be performed based on which of the following information in VLAN packets?
  1. A
    DSCP
  2. B
    IP precedence
  3. C
    MPLX EXP
  4. D
    802.1p

Correct Answer:
D

Question #26
The dynamic LACP requires devices at both ends to exchange protocol packets, while the static LACP does not require so.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #27
Which of the following statements about VRRP fast switchover are true? (Choose three.)

  1. A
    When VRRP is used to track a BFD or EFM session, if a tracked BFD or EFM session status changes, the BFD or EFM module notifies the VRRP module of the change. After that, the VRRP module implements a rapid master/backup switchover.
  2. B
    A VRRP backup group can monitor a peer BFD session, a link BFD session, and a normal BFD session at the same time. In addition, it can monitor the interface status.
  3. C
    When the status of a BFD session detected by a VRRP backup group changes, the master/slave switchover of routers in the VRRP backup group occurs by changing priorities of the master and slave routers.
  4. D
    A VRRP backup group can monitor several BFD sessions at the same time. The status changes of these BFD sessions affect each other.

Correct Answer:
ABC

Question #28
Which of the following numbers is the protocol number of VRRP packets?
  1. A
    112
  2. B
    113
  3. C
    114
  4. D
    115

Correct Answer:
A

Question #29
Traffic shaping usually buffers packets that need to be dropped by traffic policing by means of buffer and token bucket.
  1. A
    True
  2. B
    False

Correct Answer:
A

Question #30
In case of congestion, which of the following indexes will affect QoS? (Choose three.)
  1. A
    Transmission delay
  2. B
    Transmission jitter
  3. C
    Packet loss ratio
  4. D
    Transmission distance

Correct Answer:
ABC

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