MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
It is suggested that the technique with high white noise is an attractive option for use in long haul systems. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 2. |
A multicarrier modulation format in which there has been growing interest to compensate for impairments in optical fiber transmission systems is _______________ |
| A. | OFDM |
| B. | EDM |
| C. | WDM |
| D. | ADM |
| Answer» B. EDM | |
| 3. |
Which of the following is not a drawback of POLMUX? |
| A. | Polarization-sensitive detection at the receiver |
| B. | Receiver complexity |
| C. | Cross-polarization nonlinearities |
| D. | Multilevel modulation |
| Answer» E. | |
| 4. |
The technique within the coherent multicarrier systems used to broadcast the optical signals over the network is the use of passive _____________ |
| A. | Star coupler |
| B. | Optical resonator |
| C. | Optical regenerator |
| D. | Local oscillator |
| Answer» B. Optical resonator | |
| 5. |
The channel width is narrow for the coherent systems than the WDM systems. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
A_MULTICARRIER_MODULATION_FORMAT_IN_WHICH_THERE_HAS_BEEN_GROWING_INTEREST_TO_COMPENSATE_FOR_IMPAIRMENTS_IN_OPTICAL_FIBER_TRANSMISSION_SYSTEMS_IS________________?$ |
| A. | OFDM |
| B. | EDM |
| C. | WDM |
| D. | ADM |
| Answer» B. EDM | |
| 7. |
It is suggested that the technique with high white noise is an attractive option for use in long haul systems. State whether the given statement is true or false.$ |
| A. | False |
| B. | True |
| Answer» B. True | |
| 8. |
Which of the following in not a drawback of POLMUX? |
| A. | Polarization-sensitive detection at the receiver |
| B. | Receiver complexity |
| C. | Cross-polarization nonlinearities |
| D. | Multilevel modulation |
| Answer» E. | |
| 9. |
____________ is a transparent multiplexing technique. |
| A. | POLMUX |
| B. | PDM |
| C. | WDM |
| D. | Munich |
| Answer» B. PDM | |
| 10. |
______________ facilitates the doubling of the feasible spectral efficiency through the transmission of independent information in each of the two orthogonal polarizations. |
| A. | WDM |
| B. | Gordon Mollenauer effect |
| C. | EDFA control |
| D. | POLMUX |
| Answer» E. | |
| 11. |
The performance degradation due to nonlinear phase noise is referred to as _____________ |
| A. | Munich effect |
| B. | Linear bipolar effect |
| C. | Gordon Mollenauer effect |
| D. | Delta effect |
| Answer» D. Delta effect | |
| 12. |
Estimate the minimum transmitter power if number of photons per bit are 150, wavelength 1.3 micrometer with an optical bandwidth of 20 THz. |
| A. | 0.2 mW |
| B. | 0.5mW |
| C. | 1 mW |
| D. | 2.3mW |
| Answer» C. 1 mW | |
| 13. |
The technique within the coherent multicarrier systems used to broadcast the optical signals over the network is the use of passive _____________ |
| A. | Star coupler |
| B. | Optical resonator |
| C. | Optical regenerator |
| D. | Local oscillator |
| Answer» B. Optical resonator | |
| 14. |
The channel width is narrow for the coherent systems than the WDM systems. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
A major attribute of coherent optical transmission was its ability to provide _______________ for future multicarrier systems and networks. |
| A. | Attenuation |
| B. | Dispersion |
| C. | Frequency selectivity |
| D. | Noisy carriers |
| Answer» D. Noisy carriers | |