Prepare 4A0-265 Exam Questions [2024] Recently Updated Questions [Q14-Q34] : Exam for engine : http://blog.test4engine.com

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Prepare 4A0-265 Exam Questions [2024] Recently Updated Questions [Q14-Q34]

Prepare 4A0-265 Exam Questions [2024] Recently Updated Questions

Give push to your success with 4A0-265 exam questions

Q14. Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

11.5

8.0

2.5

1.5

Q15. On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?

LINEOUT and SIGOUT interfaces.

SIG interface only.

LINE and SIG interfaces.

An optical amplifier has no Wavelength Tracker detection points.

Q16. Consider the exhibit which shows part of an EPT Schematic View. Which number refers to the Wavelength Router (WR8-88) block?

Q17. Which of the following statements best describes the Forward Error Correction (FEC) technique?

FEC enables errors to be detected and data to be retransmitted. This technique is effective only above a specified OSNR threshold.

FEC enables errors to be detected and data to be retransmitted. This technique is effective only below a specified OSNR threshold.

FEC enables errors to be detected and corrected without retransmission. This technique is effective only above a specified OSNR threshold.

FEC enables errors to be detected and corrected without retransmission. This technique is effective only below a specified OSNR threshold.

Q18. Which of the following correctly describes how a unidirectional amplification stage works?

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier.

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted.

* Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.

* Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier.

Q19. Suppose a channel-related alarm is reported on an 1830 PSS node, and is related to a possible Wave Keys clock source issue. What is the recommended order for the following troubleshooting steps?

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.

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).

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).

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.

Q20. Which of the following issues can cause a “Loss too low” message to be displayed after a power adjustment has been provided?

Unstable optical power levels

A dirty fiber connector

An incorrect EPT network design

A defective WSS unit

Q21. Suppose a network operator needs to configure the 10GbE client interface 1/7/C1 with a GFP-F encapsulation mode. Which command should be used?

config interface 1/7/C1 tenGige encmode gfp-f

config encmode interface 1/7/C1 10client gfp-f

config interface 1/7/C1 encmode 10client gfp-f

config encmode interface 1/7/C1 tenGige gfp-f

Q22. Consider the exhibit. What do the different colored green columns indicate?

Optical power levels measured multiple times against a specific interface, at 24-hour intervals for the same wavelength.

Optical power levels measured for multiple wavelengths against a specific interface.

Optical power levels measured at different interfaces throughout the optical path of a single wavelength.

The average optical power levels measured for multiple wavelengths throughout their shared optical path.

Q23. Which of the following statements best describes the output of the command: show xc 1?

OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.

A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.

A list of boards that this cross-connection passes through on the local node, along with administrative/operational states, expected power levels, and measured power levels.

A list of all boards on all nodes that this cross-connection passes through, along with expected power levels, measured power levels, and allowed power deviations.

Q24. Suppose a Raman amplifier has been plugged into slot 1/8. Which command should the user enter to retrieve the total optical power detected at the ingress interface?

show interface 1/8 opin

show interface 1/8 power

show Interface 1/8/LINEIN

show interface 1/8/UNEIN detail

Q25. Which of the following is a passive component in a CDC-F network configuration?

130SCX10 Optical Transponder

MSH4-FSB Fiber Shuffle Module

WR20-TFM Wavelength Router

IRDM20 Integrated ROADM

Q26. Which of the following statements about the “config powermgmt egress 1/2 adjust status command” is TRUE?

The command displays the status of power adjustment on the specified egress amplifier.

The command enables power adjustment feature on the specified egress amplifier, as this feature Is always and only available at the egress amplification stage.

The command enables power adjustment feature on the specified egress amplifier.

The command displays commissioning status and WT decoder usage for the specified egress amplifiers only, as this feature is always and only done in the egress direction.

Q27. Which of the following statements correctly describes where power adjustments can be performed?

In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.

In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.

In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.

When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.

Q28. Which of the following statements best describes the payload type setting?

Payload type attribute is recorded within the client payload and must be entered manually.

Payload type attribute Is recorded within the client payload and can be set automatically.

Payload type attribute is recorded within the OTN overhead and must be entered manually.

Payload type attribute is recorded within the OTN overhead and can be set automatically or manually.

Q29. Which of the following statements best describes the output of the CLI command: show wavekey wtmonitor
1/6/LINE summary?

A list of all channels detected against the selected interface (in and out); it shows if a Wave Keys pair is expected, if a Wave Keys pair is received, and if the received Wave Keys pair is unexpected.

A list of all channels on this interface for which any Wave Keys pair is being received.

A list of all channels detected against the selected interface, including Wave Keys pair, channel status, expected and measured power, allowed deviation, and tolerance.

A list of the unexpected channels detected against the selected interface.

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Post date: 2024-03-10 14:06:31
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