Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) 認定 H31-311-ENU 試験問題:

1. In the 2.5G MSP ring consisting of four MSTP sites, when a protection switching occurs, which of the following statements about the alarm reporting is correct?

A) The PS alarm is reported on the tributary board.
B) The APS-INDI alarm is reported on the XCS board.
C) The APS-INDI alarm is reported on the system control board.
D) The APS-INDI alarm is reported on the line board.

2. After PDH services are configured on a per-NE basis, a complete trail cannot be searched out.
Which of the following are possible causes? (Multiple Choice)

A) Timeslot configuration is incorrect.
B) Pass-through is not configured at intermediate sites.
C) Line board selection is incorrect.
D) Tributary board selection is incorrect.

3. EPL services exclusively use ports and band widths, and different users may need to share resources.
Which of the following methods can be used to isolate user data?

A) All of the above
B) VLAN ID
C) MPLS label
D) QinQ technology

4. MSP is a network-level protection scheme. The MSP does not directly protect a service, and the MSP switching and restoration are not affected even if there is no service on the MSP ring.

A) TRUE
B) FALSE

5. Which of the following statements about the MST functional module are correct? (Multiple Choice)

A) The MST provides the E2 orderwire channel.
B) The MST is both the source and sink of the MS.
C) The MST implements the BIP-8 statistics calculation of the B2 byte.
D) The MST returns bit error information, but not the specific number of bit errors.

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