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NEW QUESTION 26
Which of the following protections need to use the APS protocol? (Multiple Choice)

• A. SW SNCP protection
• B. ODUk ring network protection
• C. ODUk SNCP protection
• D. 1:1 optical line protection

Answer: B,D

 

NEW QUESTION 27
Which of the following description of the single station commissioning is wrong?

• A. Single station hardware check is complete, make sure all power switches are in the off position
• B. In case of power failure, the contact board can be used without anti-static wrist or anti-static gloves.
• C. If the input voltage of the equipment is not within the required range, suggestions for rectification should be proposed.
• D. It is strictly forbidden to plug and unplug the power plug and PIU board.

Answer: B

 

NEW QUESTION 28
OLA sites can also use ESC.

• A. TRUE
• B. FALSE

Answer: B

 

NEW QUESTION 29
Which of the following Optical NE types are defined in U2000?

• A. WDM_OTM
• B. WDM_OLA
• C. WDM OADM
• D. WDM_OEQ

Answer: D

 

NEW QUESTION 30
Which of the following subracks does not support the configuration of packet board?

• A. OSN 1800II
• B. OSN 8800 T16
• C. OSN 1800V
• D. OSN 9800 P18

Answer: D

 

NEW QUESTION 31
The service types supported by the PND2 board used by the OSN 8800 are: (Multiple choice)

• A. EPLAN
• B. VPLS
• C. EPL
• D. VPWS

Answer: B,D

 

NEW QUESTION 32
Which of the following description of the PM_BIP8 related alarm is correct?

• A. The PM_BIP8_DEG alarm indicates the PM segment signal degradation alarm in the ODU layer.
• B. The PM_BIP8_SD alarm indicates the PM segment signal degradation alarm in the OTU layer.
• C. The PM_BIP8_OVER alarm indicates that PM error amount has exceeded in the ODU layer.

Answer: C

 

NEW QUESTION 33
In the scenario where the non-convergence OTU processes OTN standard signals, both A and B are WDM sites. After receiving the OTUk_TIM alarm on the client side, the OTU board at station A sends the OTUk_BDI alarm to the upstream. When the TIM follow-up action is disabled, the alarm is no longer transmitted to the downstream. When the TIM follow-up action is enabled, an SF event is generated. The WDM side of the OTU board at station B reports the ODUk_PM_AIS alarm, and the ODUk_PM_AIS alarm is transmitted downstream. The client equipment reports this alarm. After the WDM side of the OTU board at station B receives the OTUk_TIM alarm and the TIM follow-up action is disabled, the alarm is no longer transmitted to the downstream. When the TIM follow-up action is enabled, an SF event is generated. After the client side of station B processes the SF event, the client equipment reports the ODUk_PM_AIS alarm.

• A. True
• B. False

Answer: A

 

NEW QUESTION 34
When performing fiber synchronization, the network element does not create a fiber. What does it indicate?

• A. Fiber connection that does not exist on the network management side and the NE side.
• B. Fiber connection only on the NE side.
• C. The fiber connection exists on both the network management side and the network element side.
• D. Fiber connection exists only on the local network management side.

Answer: D

 

NEW QUESTION 35
Which of the following ROADM boards have WSS optical modules?

• A. WSD9
• B. WSMD9
• C. RDU9
• D. WSM9

Answer: D

 

NEW QUESTION 36
The network element automatically backs up the network element database to the FLASH database every 30 minutes by default.

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 37
The following description of the 1+1 protection in the board, the correct ones are: (Multiple Choice)

• A. The 1+1 protection on the board can protect the OTU board.
• B. In-board 1+1 protection can be applied to chain networking and ring networking.
• C. Set the OTU as the detection unit, and the electrical layer alarms such as OTUk_LOF and OTUK_LOM will also trigger the switching.
• D. For OSN 1800 devices, you can use the OTU with dual-selection to protect your business.

Answer: A,B,C,D

 

NEW QUESTION 38
For the wavelength division system, configure the 1st-20th wave, use the NS4 single board, and test the M40 output port with the spectrum analyzer during the commissioning. It is found that the optical power of the 20th wave is significantly lower than the other 19 waves. The possible reasons are as follows: (Multiple Choice)

• A. The 20th wave OTU center is long drifted
• B. The 20th channel corresponding to the M40V has a large insertion loss.
• C. The 20th wave OTU's RX port is incorrectly added with 5dB fixed light decay.
• D. The 20th wave OTU wave side light is too small

Answer: A,B,D

 

NEW QUESTION 39
Which of the following meters/boards can be used to test the OSR metrics for 10G systems? (Multiple Choice)

• A. Optical power meter
• B. MCA8
• C. Spectrum Analyzer
• D. SDH Analyzer

Answer: B,C

 

NEW QUESTION 40
Which layer of the TCP/IP protocol is the TCP/UDP protocol located?

• A. Transport layer
• B. Data link layer
• C. Network layer
• D. Application layer

Answer: A

 

NEW QUESTION 41
ESC can also be used at OLA sites.

• A. True
• B. False

Answer: B

 

NEW QUESTION 42
Which of the following is not a function of RSVP-TE?

• A. LSP deletion
• B. LSP rerouting
• C. LSP path optimization
• D. Establish neighbor relationship

Answer: D

 

NEW QUESTION 43
The length range of the DATA field in the Ethernet frame structure is ().

• A. 64-1518 bytes
• B. 46-1518 bytes
• C. 46-1500 bytes
• D. 64-1500 bytes

Answer: C

 

NEW QUESTION 44
Which of the following description are wrong about the path method to create a Client path?

• A. Select the "Activate" checkbox. After the path is successfully created, it will be delivered to the NE layer. Otherwise, the path configuration text will only be saved on the network management side.
• B. If the route to be automatically calculated is different from the planned path, you can set the "constrained node" or "must pass through the node" to perform routing constraints.
• C. Create a client service path by using the path method. After the creation, the optical layer OCh path is automatically generated to reduce the secondary teaching of the path creation.
• D. The creation or search of a new path must be possible if its upper service layer path already exists.

Answer: C

 

NEW QUESTION 45
Customer Example 1+1 protect when using different routes, the same wavelength cannot be used for the working wavelength and the guard wavelength.

• A. TRUE
• B. FALSE

Answer: B

 

NEW QUESTION 46
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