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
201
Which model is more expensive to implement initially?
Answer:
Client-server model
The client-server model requires the purchase of a dedicated server and specialized server software, making it more expensive upfront.
202
If you have high bandwidth but also high latency, what would be the effect?
Answer:
You could download large files quickly, but web browsing would feel slow.
High bandwidth allows for a large volume of data transfer, but high latency means there is a significant delay for each individual request, making interactive tasks like web browsing feel sluggish.
203
Which type of cable is most commonly used in modern wired Ethernet networks?
Answer:
Twisted-pair cable
Unshielded Twisted Pair (UTP) cables, such as Cat5e and Cat6, are the standard for most wired LANs.
204
What is the medium of transmission for a wireless network?
Answer:
Radio waves
Wireless networks transmit data through the air using radio waves.
205
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.
206
Which network type is owned by a single organization?
Answer:
LAN
LANs are typically privately owned and managed by the organization that uses them.
207
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.
208
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.
209
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.
210
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.