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Question 10/60
Which of the following are basic principles for locating a WDM system fault? (Choose all that apply.)
Correct Answer: A,B,D
External faults (e.g., fiber cuts, connector issues) should be ruled out before investigating internal equipment faults.
Broader network-level checks (e.g., path continuity, OLP status) come before per-device NE diagnostics.
Isolate faults on individual wavelengths before examining the aggregated multi-wavelength transport.
Broader network-level checks (e.g., path continuity, OLP status) come before per-device NE diagnostics.
Isolate faults on individual wavelengths before examining the aggregated multi-wavelength transport.
- Question List (60q)
- Question 1: Modulation is a process where the information of a signal so...
- Question 2: Select the correct on-demand OAM type based on the descripti...
- Question 3: When the local end detects an OTUk_DEG alarm, which of the f...
- Question 4: Which of the following are data dumping types on the NMS?...
- Question 5: After GE services enter the client side of an OUT board that...
- Question 6: When the R_LOS, R_LOF, R_OOF, or MUT_LOS alarm is reported o...
- Question 7: The receiver of an OTU board is an avalanche photodiode (APD...
- Question 8: In the TCP/IP protocol stack, what layer does TCP/UDP reside...
- Question 9: According to the conversion formula between mW and dBm, how ...
- Question 10: Which of the following are basic principles for locating a W...
- Question 11: Drag the correct answer to the corresponding number in the p...
- Question 12: Which of the following statements about a ROADM site are tru...
- Question 13: When the loopback method is used, the objects to be replaced...
- Question 14: In troubleshooting scenarios, misoperations may interrupt se...
- Question 15: Services cannot be automatically switched to the protection ...
- Question 16: Which of the following are not non-linear effects? (Choose a...
- Question 17: The OTUk frame rate can be concluded based on OTU1, OTU2, an...
- Question 18: Loopback is a common operation in routine maintenance and tr...
- Question 19: Which of the following statements about tributary SNCP is fa...
- Question 20: The nominal rate of OTU4 signals is 111,809,973.568 kbit/s. ...
- Question 21: FILL BLANK If a trail trace identifier (TTI) in the section ...
- Question 22: If a DCM is configured in a system, the input single-wavelen...
- Question 23: A VOA is configured on each wavelength path of a WSS board t...
- Question 24: The difference threshold between the working and protection ...
- Question 25: Which of the following statements about ODUflex are true?...
- Question 26: Drag the functional units of a WDM system to corresponding a...
- Question 27: In a scenario where non-convergence OTU boards process stand...
- Question 28: Signal flow analysis is used to check the service flow of a ...
- Question 29: The difference threshold between the working and protection ...
- Question 30: WDM systems generally use DCMs to compensate for chromatic d...
- Question 31: Which of the following tools are commonly used in WDM networ...
- Question 32: Generally, which of the following operations will interrupt ...
- Question 33: When a GE service is encapsulated into an OTN frame structur...
- Question 34: Which of the following external factors may cause abnormal o...
- Question 35: If the mask of an IP subnet is 27 bits, how many hosts does ...
- Question 36: Which of the following are ODUk overheads? (Choose all that ...
- Question 37: Optical power is an Important indicator of a WDM system and ...
- Question 38: In a coherent system, the incident optical power reference p...
- Question 39: In MPLS OAM and MPLS-TP OAM, which of the following packets ...
- Question 40: Which of the following terms has the meaning that "the wavel...
- Question 41: Which of the following statements about the OptiXtrans E6600...
- Question 42: FILL BLANK Colored refers to ____, indicating that each add/...
- Question 43: Which of the following statements about OUT boards are true?...
- Question 44: When the loopback method is used, the objects to be replaced...
- Question 45: For a 100 Gbit/s signal, the baud rate of the data is actual...
- Question 46: During CV/FFD, the ingress node transmits detection packets ...
- Question 47: QPSK modulation reduces OSNR requirements and fiber non-line...
- Question 48: FILL BLANK ODUk SNCP has three subtypes: _____, ______, and ...
- Question 49: The DM function can be used to measure the delay and jitter ...
- Question 50: The OA module inside an EMR8 board provides the____function....
- Question 51: The core component of ROADM is a wavelength selective switch...
- Question 52: Wavelength division multiplexing (WDM) refers to a technolog...
- Question 53: The OptiXtrans DC908 chassis can be a DC chassis or an AC ch...
- Question 54: When a member port is added to or deleted from a static LAG,...
- Question 55: Which of the following statements about the PWE3 network ref...
- Question 56: OTUk_DEG indicates OTUk signal degradation. Which of the fol...
- Question 57: What are characteristics of ROADM networking?...
- Question 58: The decrease of optical power when light passes through a pa...
- Question 59: Which of the following statements about the TMK1UNS5 board i...
- Question 60: In the OTUk frame structure, which of the following alarms a...
