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NEW QUESTION # 74
The collection and storage of on-site data includes periodic collection during normal operation of the equipment and collection of equipment failures. Generally, before the fault is processed, the maintenance personnel must collect and save the field data.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 75
The following description of discrete services, which are correct? (Multiple choice)
- A. Discrete service management requires the U2000 license to have path management functions.
- B. For a cross-connection, after the path search, it is either a discrete service or a path with other cross-connections, it is impossible to belong to both high-spread services and other cross-connections to form a path.
- C. Perform path search on the U2000 network management. Cross-connections that do not form a path are called discrete services.
- D. A service is searched for a discrete service, indicating that the service is not working properly on the network element side.
Answer: A,B,C
NEW QUESTION # 76
Two PIU/APIU boards use the hot backup mode to supply power to the system on the OSN 1800 device, when a PIU/APIU board fails, the system can still work normally.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 77
Which of the following reasons does not cause optical power anomalies?
- A. Enable FEC function
- B. Pigtail connection error
- C. The pigtail is too large
- D. Equipment temperature is too high
Answer: A
NEW QUESTION # 78
For the relay type OTU, the alarms of all SM segments are terminated at the local station and are not transmitted downstream (except for OTUkLOF to insert ODUk_PI_AIS downstream). Other alarms continue to be transmitted to the downstream station and reported on the WDM side of the OTU (except for R_LOS to insert ODUK_PM_AIS to the downstream site).
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 79
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 # 80
The main application scenarios for board compatible replacement are (). (Multiple Choice)
- A. Change the board ID
- B. Change the board IP
- C. Expanding the board
- D. Replacement board
Answer: A,C,D
NEW QUESTION # 81
Daily equipment maintenance items, excluding:
- A. Check the fan box and clean the air filter
- B. Check the cabinet and board indicators
- C. Check the room temperature, humidity and cleanliness
- D. Check device sound alarms
Answer: A
NEW QUESTION # 82
Which of the following statements about ROADM are correct?
- A. ROADM can adjust the optical power of the pass-through wavelength and the added wavelength.
- B. NG WDM equipment supports ROADM with fixed spectrum and Flexible ROADM with flexible spectrum.
- C. O&M personnel need to provide onsite support for wavelength adjustment at ROADM sites.
- D. ROADM technology uses the NMS software to deliver configurations to implement the wavelength adding/dropping and pass-through status.
Answer: A
NEW QUESTION # 83
The overhead ratio is a factor that affects the error correction capability of FEC technology. Generally, under the same FEC encoding/decoding algorithm, the higher the overhead ratio, the greater the net coding benefit.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 84
The following is the client-side logical port of the board in the standard mode.
- A. ODUkLP-n
- B. ClientLP-n
- C. RX/TX-n
- D. n(Nn/OUTn)-OCH: 1-ODUk: m-ODUp:a
Answer: C
NEW QUESTION # 85
When creating a Client path using the path method, if the RL0S alarm is generated on the line card, the path cannot be created.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 86
Which of the following statements are wrong about TE links? (Multiple Choice)
- A. The TE link path is a resource concept. It can be understood as an optical fiber with bandwidth information and protection attributes, but it does not correspond to the optical fiber. One fiber may correspond to multiple TE links.
- B. The verification of the TE link occurs before the control channel is established between adjacent nodes.
- C. The intelligent network element sends its own bandwidth and other information to other intelligent peers in the network through the LSA in the form of a trace. Provide teaching support for routing and planning.
- D. The TE link is flooded to the entire network by the LMP protocol. Each intelligent network element saves the TE link information of the entire network.
Answer: B,D
NEW QUESTION # 87
In general, which of the following operations will cause a short interruption in monitoring of existing network devices? (Multiple Choice)
- A. Soft reset main control board
- B. Hard reset main control board
- C. Software loopback
- D. Hardware loopback
Answer: A,B
NEW QUESTION # 88
If the tunnel APS is configured for the tunnel to which the PW belongs, the PW cannot be configured with the PW APS.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 89
In WDM transmission systems, the main factors affecting the unevenness of power balance of each channel which are not included? (Multiple choice)
- A. The main channel dimming fader setting is unreasonable
- B. Non-uniformity of insertion loss of each channel of the multiplexer/demultiplexer
- C. EDFA gain unevenness
- D. Cable aging is high
Answer: A,B,C,D
NEW QUESTION # 90
Which of the following description of the ASON software structure is correct? (Multiple Choice)
- A. Intelligent software main application management plane
- B. Intelligent optical network consists of three planes
- C. Management plane mainly refers to upper management such as network management
- D. The transmission plane refers to the traditional transmission network.
Answer: B,C,D
NEW QUESTION # 91
Which of the following description of discrete services is correct? (Multiple Choice)
- A. Discrete service management requires the U2000 license to have path management functions.
- B. Perform path search on the U2000 network management. Cross-connections that do not form a path are called high-bandwidth services.
- C. For the cross-connections, after a path search, either a discrete service or forming a path with other cross-connections, which is impossible to be a discrete service, and forming a path with other cross-connections.
- D. A service is searched for a discrete service, indicating that the service is not working properly on the NE side.
Answer: A,C
NEW QUESTION # 92
Optical monitoring channel is used for monitoring of WDM optical transmission system. In the UU-T proposal, it is preferable to use a wavelength of 1510 nm at how much rate?
- A. 64 kbit/s
- B. 576 kbit/s
- C. 192 kbit/s
- D. 2 Mbit/s
Answer: D
NEW QUESTION # 93
On the ROADM board, you need to configure the virtual optical layer service before the optical power is commissioned. Otherwise, the ROADM limit board blocks all wavelengths by default.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 94
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