Data Communication and Networking MCQs offer a valuable resource to test and enhance your understanding of the intricate world of data transmission, network protocols, and communication technologies. Whether you’re a student preparing for exams or a professional aiming to strengthen your knowledge, these multiple-choice questions with Answers cover a wide spectrum of topics, including network architecture, protocols, and security. These MCQs will help students in university exams,competitive exams and interviews preparation.
Section-1
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. If a computer on the network shares resources for others to use, it is called _____
- server
- client
- mainframe
- microcomputer
A. server
2. For large networks _____ topology is used.
- bus
- ring
- star
- irregular
C. star
3. X.25 is an example of __________ network.
- packet switched
- circuit switched
- frame relay
- ring based
A. packet switched
4. What is the maximum length of STP?
- 100 ft
- 200ft
- 100m
- 200m
D. 200m
5. ISDN is an example of _______ network.
- packet switched
- circuit switched
- frame relay
- ring based
B. circuit switched
6. What is the maximum data capacity of STP?
- 10 mbps
- 100 mbps
- 1000 mbps
- 10000 mbps
B. 100 mbps
7. In ______ topology if the computer cable is broken, networks get down
- bus
- ring
- star
- irregular
A. bus
8. Terminators are used in ________ topology.
- bus
- ring
- star
- irregular
A. bus
9. ________ layer decides which physical path the data should take.
- Network
- Transport
- Physical
- Data Link
C. Physical
10. Print server uses spool which is a ______ that holds data before it is send to the printer.
- queue
- buffer
- node
- ring
B. buffer
Section-2
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as _________
- gateways
- mail gateway
- bridges
- user agent
B. mail gateway
2. What is the usual number of bits transmitted in parallel data transmission used by micro computers?
- 16
- 8
- 9
- 4
C. 9
3. What are the most commonly used transmission speeds in BPS used in data communication?
- 300.
- 2400
- 1200
- 9600
D. 9600
4. Many large organization with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such communication network is called _________
- LAN
- WAN
- ECONET
- ETHERNET
B. WAN
5. What is the minimum number of wires required for sending data over a serial communications links?
- 2
- 1
- 4
- 3
A. 2
6. Working of the WAN generally does not involve ________
- telephone lines
- microwaves
- satellites
- all of the above
D. all of the above
7. The network layer protocol of internet is
- ethernet
- internet protocol
- hypertext transfer protocol
- none of the mentioned
B. internet protocol
8. In ________ delivery, both the deliverer of the IP packet and the destination are on the same network.
- a connectionless
- a direct
- a connection oriented
- an indirect
C. a connection oriented
9. In ________ delivery, packets of a message are logically connected to one another.
- a connectionless
- a direct
- a connection oriented
- an indirect.
C. a connection oriented
10. In _______ delivery, a packet is not connected to any other packet.
- a connectionless
- a direct
- a connection oriented
- an indirect.
D. an indirect.
