MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why CSMA/CD network has a minimum length for packets? |
| A. | to increase the data rate |
| B. | to decrease the data rate |
| C. | to prevent packets from reaching all other nodes |
| D. | to make sure that all other nodes hear a collision in progress |
| Answer» E. | |
| 2. |
A frequency synthesizer is _________ |
| A. | A VCO phase locked to a reference frequency |
| B. | A VFO phase locked to a reference frequency |
| C. | A fixed RF generator |
| D. | A variable RF generator |
| Answer» B. A VFO phase locked to a reference frequency | |
| 3. |
A_FREQUENCY_SYNTHESIZER_IS__________?$ |
| A. | A VCO phase locked to a reference frequency |
| B. | A VFO phase locked to a reference frequency |
| C. | A fixed RF generator |
| D. | A variable RF generator |
| Answer» B. A VFO phase locked to a reference frequency | |
| 4. |
Why_CSMA/CD_network_has_a_minimum_length_for_packets?$ |
| A. | to increase the data rate |
| B. | to decrease the data rate |
| C. | to prevent packets from reaching all other nodes |
| D. | to make sure that all other nodes hear a collision in progress |
| Answer» E. | |
| 5. |
Which statement is true about varacter? |
| A. | it is a diode |
| B. | it is a voltage-controlled oscillator |
| C. | it is used in tuned circuits |
| D. | it is a diode used in tuned circuit and also has a voltage-controlled capacitor |
| Answer» E. | |
| 6. |
Signal to noise ratio is calculated as signal voltage divided by noise voltage. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What you understand by the term Soliton? |
| A. | it is a defect in the glass |
| B. | it is a type of particle |
| C. | it is a type of pulse |
| D. | it is a type of optical fibre |
| Answer» D. it is a type of optical fibre | |
| 8. |
FDDI stands for __________ |
| A. | Fiber Digital Data Interface |
| B. | Fiber Digital Delay Interface |
| C. | Fiber Distributed Data Interface |
| D. | Fiber Distributed Delay Interface |
| Answer» D. Fiber Distributed Delay Interface | |
| 9. |
ISI stands for ________ |
| A. | Inter Symbol Interference |
| B. | Inter Signal Interference |
| C. | Inter System Interference |
| D. | Inter Sound Interference |
| Answer» B. Inter Signal Interference | |
| 10. |
A single-mode cable does not suffer from? |
| A. | chromatic dispersion |
| B. | waveguide dispersion |
| C. | modal dispersion |
| D. | material dispersion |
| Answer» D. material dispersion | |
| 11. |
What is used in making single-mode fiber? |
| A. | plastic |
| B. | glass |
| C. | copper |
| D. | aluminium |
| Answer» C. copper | |
| 12. |
If we compared to the core, the index of refraction of cladding must be ________ |
| A. | same |
| B. | greater |
| C. | less |
| D. | infinite |
| Answer» D. infinite | |