1 Optical systems and networks

1.1 Optical systems and networks

1. Maximum attenuation range of a Gigabit PON is:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

2. The physical reach of a PON is typically:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

3. Gigabit PON by ITU-T (2010) can offer the following bit rates for the downstream / upstream:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

4. DWDM allows for:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

5. CWDM allows for:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

6. FTTH is:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

7. Basic transport module in Optical Transport Hierarchy (OTM -0.1, without multiplexing) can transmit:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

8. Optical splices:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

9. OTDR:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

10. OTDR

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

11. The typical range of EDFA's gain is:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

12. Booster is an optical amplifier, which is located:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

13. EDFA's principle of operation is associated with

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

14. Raman amplifier can generate radiation at the wavelength that is:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

15. Raman amplifier can operate as:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

16. One of the disadvantages of doped fibre amplifiers is:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

17. EDFA's pump can operate at the wavelength of:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

18. Chromatic dispersion:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

19. Modal dispersion

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

20. Dispersion Compensating Fibres:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

21. PMD refers to:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer

22. Running DWDM system over CWDM system:

a) | |||

b) | |||

c) | |||

d) |

Evaluate your answer