Data Transmission Mcqs
Q.1: What is the role of a modem in data transmission?1
A. To convert digital signals to analog signals for transmission over telephone linesR
B. To encrypt data for secure transmission'
C. To amplify and boost signals for long-distance transmission;
D. To modulate and demodulate signals for transmission over communication channels P
Q.2: Which physical medium is commonly used for long-distance data transmission?K
A. Twisted pair cables
B. Coaxial cables
C. Fiber optic cables
D. Wireless signals
Q.3: What is the purpose of error correction codes in data transmission?C
A. To detect errors in transmitted data$
B. To retransmit data in case of errors$
C. To correct errors in transmitted data &
D. To compress data for efficient transmission+
Q.4: Which of the following is a type of error detection technique used in data transmission?X
A. CRC (Cyclic Redundancy Check)
B. UDP (User Datagram Protocol)
C. SMTP (Simple Mail Transfer Protocol)$
D. SSL (Secure Sockets Layer)
Q.5: What is the difference between analog and digital data transmission?D
A. Analog data transmission uses continuous signals, while digital data transmission uses discrete signals h
B. Analog data transmission is faster than digital data transmissionA
C. Analog data transmission is more secure than digital data transmissionF
D. Digital data transmission requires specialized hardware, while analog data transmission does not`
Q.6: Which of the following is a commonly used data transmission protocol on the internet?U
A. HTTP
B. FTP
C. TCP/IP
D. DNS
Q.7: What is latency in data transmission?%
A. The time it takes for data to travel from the source to the destination H
B. The amount of data that can be transmitted per second5
C. The resistance to signal interference in a communication channel@
D. The level of data compression used in transmission2
Q.8: What is bandwidth in the context of data transmission?6
A. The physical width of a data cable"
B. The speed at which data is transmitted&
C. The range of frequencies that can be transmitted over a communication channel N
D. The amount of data that can be transmitted at a given time:
Q.9: Which of the following is a common method of data transmission in computer networks?T
A. Fiber optics
B. Wi-Fi
C. Ethernet
D. Bluetooth
Q.10: What is data transmission?
A. The process of converting analog signals to digital signals;
B. The process of transmitting data from one device to another over a communication channel Y
C. The process of encrypting data for secure transmission6
D. The process of compressing data to reduce file sizes4

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