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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. What's not a trivial task for ASON's business recovery is

A) Forced reactivation to restore
B) Optimize to other path recovery
C) Downgrade to traditional business reconstruction and restoration
D) Download network element database recovery

2. The SNCP ring network composed of OptiX OSN 3500 equipment uses GXCSA as the cross-connect board, and the main ring is equipped with an SL64 single board. A and B are two adjacent nodes.
The station B receives a large number of errors in the regeneration section and multiplex section on the SL64 board of station A.
At the same time, station A receives the remote error code of the multiplex section reported on the SL64 board of station E.
In the networking diagram, it is found that the distance between A and B is 100km, the rate is 10G, and the configuration structure is "light board + BA + PA + DCU + light board".
Which of the following causes the error code to occur? (multiple choice)

A) Cross-board and circuit board coordination problems cause bit errors
B) Error code caused by light board failure
C) Insufficient BA+PA gain leads to bit errors
D) DCU module model error

3. The following clock networking optimizations are wrong:

A) Under the standard SSM switching protocol, the clock can be configured as bidirectional, but it must not be configured as a ring. Enable the extended SSM protocol to solve the clock loop problem by assigning a clock ID to the clock source.
B) Under the non-SSM switching protocol, the clock network can only be configured as one-way and cannot form a loop.
C) Timing reference clock transmission link, requires that at most N=20 network elements, the transit office clock must be introduced for clock reshaping and regeneration (high-quality clocks are serialized), up to K=10 transit office clocks, clocks The maximum number of G.813 clocks on the link does not exceed 60.
D) For PDH, ITU-T stipulates that 4 consecutive odd frames sa4~sa8 in 2M bit signal TS0 are used to transmit quality information, and SDH uses S1 byte b5-b8 to transmit the same quality information. SDH equipment can automatically extract SSM information from the 2Mhz external clock signal provided by the BITS equipment, so as to know the quality level of the timing signal.

4. The ODU product label is shown in the picture. Which of the following statements is correct? (multiple choice).

A) The receiving frequency range is: 7582-7638MHz
B) This ODU can be used as low station
C) The transmitting frequency of this ODU is located in sub-band A of 7GHz
D) The transceiver interval of this ODU is 154MHz

5. The following dispersions exist in single-mode fibers: material dispersion, waveguide dispersion, polarization mode dispersion, and modal dispersion.

A) FALSE
B) TRUE

Solutions: