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Networking (Computer Science) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > Computer Science > Networking

25 Total Solved Questions
~38 mins Estimated Reading Time
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25 Questions in this set
Select the best option for the following modern Computer Aptitude Test questions (covering AI, Cloud, Cybersecurity, and Modern Hardware):
Q. 1 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is the standard protocol for the 'Internet of Things' (IoT)?
A
HTTP
B
MQTT
✓ Correct
C
FTP
D
SMTP
💡 Step-by-Step Explanation & Concept Rationale
Message Queuing Telemetry Transport (MQTT) is a lightweight protocol for IoT.
Q. 2 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What does 'HTTP' stand for?
A
High Text Transfer
B
HyperText Transfer Protocol
✓ Correct
C
Home Top Text Page
D
Hyperlink Tool Path
💡 Step-by-Step Explanation & Concept Rationale
This is the foundation of data communication for the World Wide Web.
Q. 3 Computer Aptitude Test
Difficulty: Hard (1 Mark)
Which protocol is used for sending emails?
A
FTP
B
SMTP
✓ Correct
C
HTTP
D
POP3
💡 Step-by-Step Explanation & Concept Rationale
Simple Mail Transfer Protocol (SMTP) is the standard for outgoing email.
Q. 4 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Latency' in networking?
A
Internet speed
B
Delay in data transfer
✓ Correct
C
Signal strength
D
Data capacity
💡 Step-by-Step Explanation & Concept Rationale
Latency is the time it takes for data to travel from source to destination.
Q. 5 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is '5G'?
A
A screen resolution
B
Fifth generation mobile network
✓ Correct
C
A storage size
D
A CPU speed
💡 Step-by-Step Explanation & Concept Rationale
5G provides significantly higher speeds and lower latency for mobile devices.
Q. 6 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Bluetooth Low Energy' (BLE)?
A
A broken speaker
B
Power-efficient wireless
✓ Correct
C
A fast Wi-Fi
D
A blue light mode
💡 Step-by-Step Explanation & Concept Rationale
BLE is a version of Bluetooth designed for low power consumption in IoT.
Q. 7 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'IPv6'?
A
6th internet version
B
Internet Protocol version 6
✓ Correct
C
A security code
D
6-gigabit speed
💡 Step-by-Step Explanation & Concept Rationale
IPv6 is the newest IP version providing a much larger number of addresses.
Q. 8 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'NFC'?
A
Near Field Communication
✓ Correct
B
New Fast Connect
C
Net File Code
D
Next Field Cell
💡 Step-by-Step Explanation & Concept Rationale
Short-range wireless tech for contactless payments and data exchange.
Q. 9 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Bitrate'?
A
Hard drive speed
B
Amount of data per second
✓ Correct
C
Resolution
D
Monitor refresh
💡 Step-by-Step Explanation & Concept Rationale
Measures the quality and size of audio/video files.
Q. 10 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Gigabit'?
A
A computer byte
B
1,000 megabits
✓ Correct
C
A hard drive
D
A fast fan
💡 Step-by-Step Explanation & Concept Rationale
A unit of data speed (1 billion bits).
Q. 11 Computer Aptitude Test
Difficulty: Hard (1 Mark)
In networking, what is 'Wi-Fi 6E'?
A
Wi-Fi for 6 devices
B
Extended range Wi-Fi
C
Wi-Fi using the 6GHz band
✓ Correct
D
6-gigabit Wi-Fi
💡 Step-by-Step Explanation & Concept Rationale
6E expands Wi-Fi 6 into the 6GHz spectrum for less interference and higher speeds.
Q. 12 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is a 'CDN' (Content Delivery Network)?
A
A data center
B
Distributed servers to deliver web content fast
C
A system of distributed servers for faster content delivery
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
CDNs reduce latency by serving content from a server physically closer to the user.
Q. 13 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What protocol is used to check if a host is reachable (ping)?
A
HTTP
B
ICMP
✓ Correct
C
FTP
D
SMTP
💡 Step-by-Step Explanation & Concept Rationale
Internet Control Message Protocol (ICMP) is used for network diagnostics and errors.
Q. 14 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'UDP' compared to 'TCP'?
A
Faster but unreliable
B
Slower but reliable
C
More secure
D
Faster but less reliable (connectionless)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
UDP is used for streaming and gaming where speed is more important than perfect data.
Q. 15 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Starlink'?
A
A new CPU
B
Satellite-based internet service
✓ Correct
C
A movie platform
D
A space probe
💡 Step-by-Step Explanation & Concept Rationale
Starlink uses low-orbit satellites to provide high-speed internet globally.
Q. 16 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'HTTPS'?
A
High Speed Text
B
Secure version of HTTP
C
A web browser
D
Secure version of the Hypertext Transfer Protocol
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
HTTPS uses TLS/SSL to encrypt communication between a browser and a website.
Q. 17 Computer Aptitude Test
Difficulty: Hard (1 Mark)
Which protocol is the foundation of the modern web (HTTP/3)?
A
TCP
B
UDP
C
QUIC
✓ Correct
D
ICMP
💡 Step-by-Step Explanation & Concept Rationale
HTTP/3 uses the QUIC transport protocol to reduce latency and improve connection migration.
Q. 18 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Wi-Fi 7' also known as in technical standards?
A
802.11ax
B
802.11be
✓ Correct
C
802.11ac
D
802.11n
💡 Step-by-Step Explanation & Concept Rationale
Wi-Fi 7 (Extremely High Throughput) offers higher speeds and lower latency than Wi-Fi 6.
Q. 19 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Li-Fi'?
A
Fast Wi-Fi
B
Wireless communication using light
C
Wireless communication technology that uses light to transmit data
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Li-Fi can provide higher speeds and more security than traditional Wi-Fi.
Q. 20 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is '5G's' main improvement over 4G?
A
More apps
B
Higher speed and lower latency
C
Significantly higher data speeds and lower response times
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
5G enables new tech like self-driving cars and remote surgery.
Q. 21 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Starlink'?
A
A new star
B
Satellite internet constellation by SpaceX
C
A game
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
It provides high-speed internet to remote and underserved areas.
Q. 22 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Mesh Networking'?
A
Network in a net
B
Group of devices acting as a single Wi-Fi network
C
A topology where nodes connect directly and dynamically to others
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Mesh systems eliminate "dead zones" in homes and offices.
Q. 23 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'VPN' tunneling?
A
Digging holes
B
Encapsulating data for secure transmission
C
The process of placing data inside a secure protocol for transport
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Tunneling ensures that data remains private while moving over the web.
Q. 24 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'BGP' (Border Gateway Protocol)?
A
Big Gateway Path
B
Protocol that manages how data is routed on the internet
C
The system that allows the internet to find paths between networks
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
BGP is essential for the internet to function as a unified network.
Q. 25 Computer Aptitude Test
Difficulty: Hard (1 Mark)
What is 'Packet Loss'?
A
Losing a PC
B
Data failing to reach its destination
C
When one or more data units traveling a network fail to arrive
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Packet loss causes issues like lag, stuttering, or slow speeds.
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