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. Most governments have set aside some frequency bands called the _______ bands for unlicensed usage.
- IFS
- ISM
- IRS
- IVS
B. ISM
2. The downward beams of a satellite can be broad , covering a substantial fraction of the earth’s surface or narrow, covering an area only hundreds of kilometers in diameter. This mode of operation is known as a ____
- bent pipe
- foot print
- uplink
- downlink
A. bent pipe
3. The first geostationary satellite had a single spatial beam that illuminated about 1/3 of the earth’s surface called its _______
- bent pipe
- downlink
- foot print
- uplink
C. foot print
4. Each end office has a number of outgoing lines to one or more nearby switching canters called ______ A. toll connecting trunks.
- toll office
- local loop
- end office
- toll connecting trunks.
A. toll office
5. __________ is the loss of energy as the signal propagates outward.
- Attenuation
- Distortion
- Noise
- Baud
A. Attenuation
6. Sending packets to a group of stations is known as ______
- broadcasting
- multicasting
- unicasting
- point-to-point
D. point-to-point
7. Each area has a _________ agent which keeps track of all mobile hosts visiting the area.
- mobile
- home
- visitor
- foreign
B. home
8. Ad-hoc networks are also called as ____________
- MAN
- MANET
- LAN
- LANET
B. MANET
9. An example for dynamic routing algorithm is _______.
- Shortest path
- Flooding
- Dijkstra
- Distance vector
D. Distance vector
10. ISO stands for _____________
- International Standard Organization
- International Student Organization
- Integrated Services Organization
- Integrated standard organization
A. International Standard Organization
Section-2
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. What is the host IP of a system having the IP address 192.0.0.10?
- 192
- 0.10
- 0.0.10
- 192.0
C. 0.0.10
2. Which of the following TCP/IP protocol is used for remote terminal connection service?
- TELNET
- RARP
- FTP
- UDP
A. TELNET
3. The protocol used for transferring files from one system to another is _________
- TELNET
- RARP
- FTP
- UDP
C. FTP
4. The physical layer is responsible for
- line coding
- channel coding
- modulation
- all the above
D. all the above
5. The TCP/IP protocol used for file transfer with minimal capability and minimal overhead _______
- RARP
- FTP
- TFTP
- TELNET
C. TFTP
6. What destination address can be used to send a packet from a host with IP address 188.1.1.1 to all hosts on the network __________
- 188.0.0.0.
- 255.255.255.255.
- 0.0.0.0.
- 1.2.3.
B. 255.255.255.255.
7. A subset of a network that includes all the routers but contains no loops is called
- spanning tree
- spider structure
- spider tree
- none of the above
A. spanning tree
8. Which one of the following algorithm is not used for congestion control?
- traffic aware routing
- admission control
- load shedding
- none of the above
D. none of the above
9. Which transmission mode is used for data communication along telephone lines?
- Parallel
- Serial
- Synchronous
- Asynchronous
B. Serial
10. Which of the following device copies electrical signals from one Ethernet to another?
- Bridge
- Repeater
- Hub
- Passive hub.
B. Repeater
