MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Cognitive Radio knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Very High Frequency Omnidirectional Range begins with transmission of frequency modulated signal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which among the following is an application of geo-location software? |
| A. | Regional licensing |
| B. | Firewall |
| C. | Address translation |
| D. | Diagnostic tools |
| Answer» B. Firewall | |
| 3. |
Which among the following are sources for constructing an IP database? |
| A. | Network routing information |
| B. | Data mining |
| C. | Regional Internet registry |
| D. | Data scrubbing |
| Answer» E. | |
| 4. |
Which among the following is essential for geo-location using IP address? |
| A. | Database of registration lifetime of IP packets |
| B. | Database of IP addresses |
| C. | Database of routing path |
| D. | Database of port address |
| Answer» C. Database of routing path | |
| 5. |
Which among the following techniques were employed for the identification of pairs in LORAN stations? |
| A. | Modulation technique |
| B. | Encoding scheme |
| C. | Phase comparison between signals |
| D. | Pulse repetition frequency |
| Answer» E. | |
| 6. |
What is the parameter which differentiates LORAN – B from LORAN – A? |
| A. | Method of extraction of timing |
| B. | Number of receivers |
| C. | Number of transmitters |
| D. | Determination of station location |
| Answer» B. Number of receivers | |
| 7. |
Which among the following techniques is employed in long range navigation (LORAN)? |
| A. | Round trip time of a radio pulse |
| B. | Time difference between two radio pulses |
| C. | Phase difference between two continuous signals |
| D. | Phase difference between the transmitter and the receiver |
| Answer» C. Phase difference between two continuous signals | |
| 8. |
What is the accuracy range offered by very high frequency omnidirectional range? |
| A. | 50 m |
| B. | 60 m |
| C. | 80 m |
| D. | 90 m |
| Answer» E. | |
| 9. |
Which among the following is used to determine the position of an aircraft using very high frequency omnidirectional range (VOR)? |
| A. | Round trip time of a radial from a single VOR station |
| B. | Intersection of radials from a single VOR station in different directions |
| C. | Intersection of radials from a single VOR station with a delay between the signals |
| D. | Intersection of radials from two different VOR stations |
| Answer» E. | |
| 10. |
Which among the following statements is false about a very high frequency omnidirectional range (VOR)? |
| A. | VOR is a radio navigation system for aircrafts |
| B. | The frequency range of VOR is 108.00 to 117.95 MHz |
| C. | VOR is intolerant of diffraction |
| D. | VOR signals show more accuracy than nondirectional radio beacon |
| Answer» D. VOR signals show more accuracy than nondirectional radio beacon | |