最新的Nokia Optical Diagnostics and Troubleshooting - 4A0-265免費考試真題

A. Ingress amplifiers are always more powerful [than egress amplifiers, to reduce the impact of non-linear effects.

B. When channels pass through amplifiers, all of them always experience a similar amplification.

C. When multiple channels pass through a shared port (for example, an amplifier line interface), the total aggregated power reflects the number of channels currently present.

D. The Optical Supervisory Channel (OSC) is amplified when passing through all amplifier types, except for Raman which is not based on EDFA.

A. 0.56 to 1.72 dB

B. -0.6 to 1.72 dB

C. -0.02 to 1.14 dB

D. 0.56 to 1.14 dB

A. Warning

B. Major

C. Critical

D. Minor

A. 1. Determine the active clock reference source.
2. Replace the suspect PF.
3. Retrieve the channel power trace.
4. Switch to alternate clock source (PF).

B. 1. Retrieve the channel power trace.
2. Replace the suspect PF.
3. Determine the active clock reference source.
4. Switch to alternate clock source (PF).

C. 1. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF.

D. 1. Replace the suspect PF.
2. Retrieve the channel power trace.
3. Switch to alternate clock source (PF).
4. Determine the active clock reference source.