 
			 
			MCQOPTIONS
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				This section includes 13 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. | When two PCs send data over a baseband network cable at the same time, it is called ________ | 
| A. | contention | 
| B. | collision | 
| C. | excess traffic | 
| D. | switching | 
| Answer» C. excess traffic | |
| 2. | When two or more PCs try to access a baseband network cable at the same time, it is called ________ | 
| A. | contention | 
| B. | collision | 
| C. | excess traffic | 
| D. | switching | 
| Answer» B. collision | |
| 3. | To maintain synchronization in synchronous transmission __________ | 
| A. | long strings of 1s and 0s must not be allowed | 
| B. | transmission must stop periodically | 
| C. | clock circuits must be precisely adjusted | 
| D. | channel must be noise free | 
| Answer» B. transmission must stop periodically | |
| 4. | WHEN_TWO_PCS_SEND_DATA_OVER_A_BASEBAND_NETWORK_CABLE_AT_THE_SAME_TIME,_IT_IS_CALLED_________?$ | 
| A. | contention | 
| B. | collision | 
| C. | excess traffic | 
| D. | switching | 
| Answer» C. excess traffic | |
| 5. | WHEN_TWO_OR_MORE_PCS_TRY_TO_ACCESS_A_BASEBAND_NETWORK_CABLE_AT_THE_SAME_TIME,_IT_IS_CALLED_________?$ | 
| A. | contention | 
| B. | collision | 
| C. | excess traffic | 
| D. | switching | 
| Answer» B. collision | |
| 6. | Which statement is correct about circuit-switched network? | 
| A. | each channel can carry only one data stream | 
| B. | usually uses a bus topology | 
| C. | usually uses a star topology | 
| D. | implemented at network layer | 
| Answer» B. usually uses a bus topology | |
| 7. | What do you understand by the term Internet? | 
| A. | a network of networks | 
| B. | a very large client-server network | 
| C. | a very large CSMA/CD network | 
| D. | local area network | 
| Answer» B. a very large client-server network | |
| 8. | CRC stands for __________ | 
| A. | Cyclic Redundancy Check | 
| B. | Cyclic Repeat Check | 
| C. | Cyclic Redundancy Character | 
| D. | Cyclic Redundancy Code | 
| Answer» B. Cyclic Repeat Check | |
| 9. | To maintain synchronization in synchronous transmission, __________ | 
| A. | long strings of 1s and 0s must not be allowed | 
| B. | transmission must stop periodically | 
| C. | clock circuits must be precisely adjusted | 
| D. | channel must be noise free | 
| Answer» B. transmission must stop periodically | |
| 10. | AM spectrum consists of ________ | 
| A. | Carrier frequency | 
| B. | Upper sideband | 
| C. | Lower sideband | 
| D. | Carrier frequency with both upper and lower sideband | 
| Answer» E. | |
| 11. | What is the full form of UART? | 
| A. | Universal Asynchronous Receiver Transmitter | 
| B. | Universal Automatic Receiver Transmitter | 
| C. | Unaltered Asynchronous Receiver Transmitter | 
| D. | Unaltered Automatic Receiver Transmitter | 
| Answer» B. Universal Automatic Receiver Transmitter | |
| 12. | In synchronous transmission, frames are about the same length as in asynchronous transmission. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 13. | What is the full form of LF? | 
| A. | Line Feed | 
| B. | Link Feed | 
| C. | Line Forward | 
| D. | Link Forward | 
| Answer» B. Link Feed | |