Online Access Free Huawei.H31-311_V2.5.v2022-10-13.q67 Practice Test (Page 5)

Which of the following light sources has the best dispersion tolerance and stability?

A.Direct modulation of the light source

B.EA modulates the light source

C.None of the above

D.Mach-Zehnder modulates the light source

Which of the following is the difference between an AU pointer and a TU pointer? (Multiple choice).

A.Adjust units

B.The byte that stores the pointer value

C.Indicates the range

D.The number of bits occupied by the pointer value

In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).

A.FDB0

B.DRDB

C.FDB1

D.MDE

The STAT indicator of the SDH board flashes red, lights up for 100ms, and turns off for 100ms. Which of the following means the state of the metric?

A.Hardware failure

B.Hardware mismatch

C.There is no power input

D.Normal operation

QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.

A.True

B.Error

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