Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
6081
What is the medium of transmission for a wireless network?
Answer:
Radio waves
Wireless networks transmit data through the air using radio waves.
6082
In a P2P network, each computer is responsible for its own:
Answer:
Both a and b
In a P2P network, there is no central administrator, so each user is responsible for their own computer's security and data backups.
6083
Which network type is owned by a single organization?
Answer:
LAN
LANs are typically privately owned and managed by the organization that uses them.
6084
What is jitter?
Answer:
The variation in latency over time
Jitter is the inconsistency in the arrival time of packets. High jitter can be very disruptive for real-time applications like VoIP and video conferencing.
6085
Which network type is better for a business that handles sensitive data?
Answer:
Wired network
For handling sensitive data, the enhanced security of a wired network is highly recommended.
6086
Which of these is a Layer 3 switch?
Answer:
A switch that can perform some routing functions
A Layer 3 switch is a hybrid device that can act as both a switch and a router.
6087
Why might a gamer prefer a wired connection?
Answer:
For lower latency (ping)
In online gaming, low latency is crucial for a smooth experience, and wired connections provide the lowest and most stable latency.
6088
In which network model do all computers have equal status?
Answer:
Peer-to-peer model
In a peer-to-peer (P2P) network, all computers (peers) are equal and can act as both a client and a server.
6089
Which model is a better description of how the World Wide Web works?
Answer:
Client-server model
The WWW is fundamentally a client-server system, with web browsers (clients) requesting pages from web servers.
6090
Which network type is generally cheaper to set up for a small area?
Answer:
Wireless network
For a small home or office, a single wireless router can be cheaper and easier to set up than running Ethernet cables to every device.