Quiz 24/Ago/23

Quiz 24/Ago/23

Professional Development

8 Qs

quiz-placeholder

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Quiz 24/Ago/23

Quiz 24/Ago/23

Assessment

Quiz

Other

Professional Development

Easy

Created by

Alan Turing

Used 2+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Polarization mode dispersion (PMD) is the dispersion caused by different speeds of two crossed polarization states of optical signals.
True
False

2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

The attenuation of an optical fiber depends on absorption attenuation, scattering attenuation, and bending attenuation.
True
False

3.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which of the following technologies is the main difference between an open system and an integrated system?
Wavelength conversion technology
Optical amplification technology
MuItiplexing/Demultiplexing technology
Optical supervisory technology

4.

MULTIPLE SELECT QUESTION

45 sec • 3 pts

Which of the following can be the center wavelengths of the pump sources in an EDFA?
980 nm
1510 nm
1480 nm
1310 nm

5.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which of the following fibers has the dispersion characteristics complying with the following description? The dispersion at 1310 nm is 0 and the typical dispersion coefficient around 1550 nm is 17 ps/nm.km.
G.652
G.653
G.654
G.655

6.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which of the following modulation technologies has the best performance in terms of wavelength stability?
Direct modulation
EA modulation
M-Z modulation
Indirect modulation

7.

MULTIPLE SELECT QUESTION

2 mins • 3 pts

Which of the following are key WDM technologies?

Light source technologies

Supervisory technologies

Optical amplifier technologies

Optical multiplexing and demultiplexing technologies

8.

MULTIPLE SELECT QUESTION

2 mins • 3 pts

Which of the following are the advantages of an erbium-doped fiber amplifier (EDFA)?

High coupling efficiency

High energy conversion efficiency

Stable gain feature

High gain and high output power