Computer Network and Communication MCQ Questions with Answers
1
What is the primary function of telecommunication?
Data entry
Data transmission
Data storage
Data analysis
2
What does the term “Broadband” refer to?
High-speed internet connection
Wideband radio communication
Local storage of data
Single-user internet connection
3
What is “Bandwidth”?
The time delay in data transfer
The amount of data that can be transmitted in a given time
The distance data can travel
The storage capacity of a device
4
Which of the following is NOT a mobile communication technology?
2G
3G
4G
D2G
5
What does “Frequency” refer to in telecommunications?
The distance between two network devices
The speed of data processing
The number of signal cycles per second
The volume of data stored in a network
6
What is the main benefit of 5G over 4G?
Higher latency
Lower data transfer speeds
Reduced bandwidth
Faster data transfer speeds
7
What technology allows multiple devices to communicate simultaneously over a broadband connection?
Duplexing
Modulation
Multiplexing
Bandwidth shifting
8
What does “Latency” refer to in a network?
The speed of data transmission
The number of users connected
The delay before data transfer begins
The bandwidth available
9
Which technology uses electromagnetic waves for wireless communication?
Optical fiber
Bluetooth
CAT6
RJ45
10
Which protocol is most commonly associated with sending data packets over a network?
FTP
TCP/IP
HTML
VPN
11
What unit is frequency usually measured in?
Hertz (Hz)
Bits per second (bps)
Kilometers (km)
Gigabytes (GB)
12
Which of the following is essential for high-speed broadband connections?
Low bandwidth
High latency
High throughput
Low packet loss
13
What does "Throughput" measure?
The total number of users in a network
The number of data packets lost in transmission
The actual data transfer rate
The energy used by network devices
14
Which technology is designed to transmit data over long distances using light signals?
Optical fiber
Wi-Fi
CAT6 cable
Bluetooth
15
What does a “ping” measure in a network?
Data packet size
Network bandwidth
Network latency
Frequency range
