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Huawei HCIA-Transmission V2.5 Sample Questions:

1. Which of the following statements about extended ECC is wrong?

A) Automatically extend ECC to connect the Ethernet ports of two network elements using a straight- through cable.
B) Extended ECC in designated mode means that the server and client need to be designated.
C) Automatic ECC expansion can be enabled on up to four network elements. In manual ECC expansion mode, each server can connect to up to three clients.
D) Extended ECC is divided into automatic extended ECC and extended ECC in the specified mode

2. The initial value of the Sequence number in the ETH PWE3 encapsulation frame format is randomly generated, and the value decreases by one each time a data packet is sent.

A) False
B) True

3. Which of the following bytes is used for error monitoring of the high-order channel?

A) B3
B) B1
C) V5
D) B2

4. The 1310nm and 1550nm transmission windows are low-loss windows. In a DWDM system, only the 1550nm transmission window is used. Which of the following is the main reason?

A) 1550nm wavelength region is suitable for long-distance transmission
B) The nonlinear effect in the 1550nm wavelength region is very small
C) The EDFA operating wavelength flatness region is included in this window
D) None of the above

5. Which of the following descriptions about the FIU board is correct?

A) Whether it is an OLA station or an OADM station, one station only needs one FIU.
B) FIU can complete the access and extraction of OSC channels.
C) In the OptiX OSN8800 equipment, when there is no signal input, the FIU board will report an alarm.
D) The FIU board processes monitoring information.

Solutions: