AP ECET ELECTRONICS AND COMMUNICATION ENGINEERING (ECE) Multiple Choice Questions (MCQs)
MCQs for AP ECET - Data Communications and Computer Networks
Multiple Choice Questions - AP ECET (Data Communications and Computer Networks)
121. Which of the following is a type of twisted pair cable?
A) UTP
B) STP
C) Both UTP and STP
D) Coaxial cable
Answer: C) Both UTP and STP
122. Which type of cable is best suited for high-speed data transmission over long distances?
A) Twisted Pair
B) Coaxial cable
C) Optical fiber
D) Shielded Twisted Pair
Answer: C) Optical fiber
123. The Shannon Capacity theorem deals with:
A) The maximum data rate that can be transmitted over a communication channel
B) The number of switches in a network
C) The error rate in data transmission
D) The bandwidth of a transmission medium
Answer: A) The maximum data rate that can be transmitted over a communication channel
124. Which of the following is not a network topology?
A) Bus
B) Star
C) Ring
D) Grid
Answer: D) Grid
125. In packet switching, data is divided into:
A) Packets
B) Frames
C) Blocks
D) Bits
Answer: A) Packets
126. What does the CSMA/CD protocol stand for?
A) Carrier Sensed Multiple Access/Collision Detection
B) Carrier Sensed Modulation Access/Collision Detection
C) Carrier Sensed Multi Access/Collision Distribution
D) None of the above
Answer: A) Carrier Sensed Multiple Access/Collision Detection
127. Which of the following is a function of the OSI model?
A) Routing of data packets
B) Data encapsulation
C) Error detection and correction
D) All of the above
Answer: D) All of the above
128. Which of the following technologies is used for short-range wireless communication?
A) Wi-Fi
B) Bluetooth
C) Cellular networks
D) Satellite communication
Answer: B) Bluetooth
129. Which protocol is used for transferring files across a network?
A) HTTP
B) FTP
C) SMTP
D) POP3
Answer: B) FTP
130. What does ISDN stand for in networking?
A) International System for Digital Networking
B) Integrated Services Digital Network
C) Internet Services Digital Network
D) Internal Systems Digital Network
Answer: B) Integrated Services Digital Network
131. Which of the following is a key feature of TCP/IP?
A) Connection-oriented communication
B) Works in OSI Layer 7
C) Uses physical addressing
D) None of the above
Answer: A) Connection-oriented communication
132. Which of the following WAN protocols is used for long-distance communication?
A) X.25
B) Frame Relay
C) ATM
D) All of the above
Answer: D) All of the above
133. What is the function of a proxy server?
A) Encrypt data for secure transmission
B) Control access to the network
C) Serve content to clients from the server
D) Act as an intermediary for requests from clients seeking resources from other servers
Answer: D) Act as an intermediary for requests from clients seeking resources from other servers
134. What does the Domain Name System (DNS) do in networking?
A) Assigns IP addresses to domain names
B) Provides security for data transfer
C) Translates IP addresses to MAC addresses
D) Determines the best route for data transmission
Answer: A) Assigns IP addresses to domain names
135. Which of the following is true about a Web server?
A) It stores and manages email
B) It manages web pages and responds to HTTP requests
C) It encrypts data for secure transmission
D) It connects different networks
Answer: B) It manages web pages and responds to HTTP requests
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