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Updated: Sep 05, 2026
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| Section | Objectives |
|---|---|
| Optical Transmission Network Fundamentals | - Basic Optical Communications Technology
|
| SDH, WDM, OTN and Ethernet Technologies | - Ethernet Service Fundamentals
|
| Routine Maintenance and Troubleshooting | - Routine Operations
|
| Transmission Network Products & NMS | - U2000 & Network Management
|
Question 1
The frame period of OTN signals is fixed, which is the same as that of SDH signals.
A. TRUE
B. FALSE
Question 2
The EPL service exclusively uses bandwidth on the line, which is highly secure. It is applicable to the private line application of VIP customers.
A. TRUE
B. FALSE
Question 3
In a WDM system, using a dielectric thin film filter (TFF) is ideal when fewer than () wavelengths are used.
A. 4
B. 8
C. 16
D. 20
Question 4
A MAC address consists of 46 bits and is globally unique.
Which of the following is the meaning of the MAC address whose eighth bit is 1?
A. Multicast address
B. Bicast address
C. Unicast address
D. Broadcast address
Question 5
The Erbium Doped Fiber Amplifier (EDFA) is a key component of the new-generation optical communication system.
Which of the following are the features of the EDFA? (Multiple Choice)
A. High gain
B. Amplification of any wavelengths
C. Low noise index
D. High output power
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: A,C,D |
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