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
6021
Which model is easier to set up for a small number of computers?
Answer:
Peer-to-peer model
P2P networks are simpler to set up as they don't require a dedicated server and specialized network operating system.
6022
If a router's buffer is full and a new packet arrives, what happens?
Answer:
The packet is dropped (packet loss).
This is a common cause of packet loss during periods of network congestion.
6023
Which network type is defined by its scale?
Answer:
All of the above
LAN, WAN, and MAN are all primarily defined and distinguished by the geographical scale they cover.
6024
Which network type is more prone to signal degradation over distance?
Answer:
Both b and c
Both copper cables and wireless signals lose strength over distance, although fiber optic cables are much less susceptible to this.
6025
\_\_\_ broadcast radio waves that can be received by anyone with the proper configuration.
Answer:
Wireless networks
Wireless networks transmit data using radio waves, which can be picked up by any compatible device within range.
6026
What is the role of a server administrator?
Answer:
To manage the server and the network
In a client-server model, a network administrator is needed to manage the server, user accounts, security, and backups.
6027
Which type of network is most reliant on phone lines?
Answer:
WAN
Wide Area Networks often utilize telephone infrastructures for long-distance connectivity. [cite: 259, 260]
6028
What is a collision domain?
Answer:
A network segment where data packets can collide
A collision domain is a part of a network where packet collisions can occur when two devices try to send data at the same time.
6029
When one computer offers services to another, what is the setup called?
Answer:
Client/server
In a client/server model, a central computer (the server) provides data, services, or resources to other computers (the clients).
6030
Which network type is best for a large, open-plan office?
Answer:
A hybrid network with both wired and wireless components
A hybrid approach is often best, providing wired connections for stationary devices like desktops and wireless access for laptops and mobile devices.