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
61
What does MAN stand for?
Answer:
Metropolitan Area Network
MAN stands for Metropolitan Area Network, a network that covers a geographic area the size of a city.
62
What is a major consideration when planning a wired network installation?
Answer:
The layout of the building and where to run cables
The physical installation of cables is a major part of setting up a wired network.
63
In packet switching, do all packets in a single message have to take the same route?
Answer:
No, they can take different routes.
This is a key feature of packet switching. Each packet is routed independently, which allows the network to adapt to changing conditions and route around failures or congestion.
64
Interactive data transmission in a time-sharing system is best managed through:
Answer:
Full duplex lines
Full duplex lines enable simultaneous two-way communication, ideal for interactive transmissions.
65
A network that connects several LANs in different cities is a:
Answer:
WAN
A Wide Area Network (WAN) is required to connect LANs that are geographically separated by long distances, such as in different cities.
66
What is a benefit of the P2P model's redundancy?
Answer:
It is more reliable if one peer fails.
The decentralized nature of a P2P network means there is no single point of failure.
67
Which device can create Virtual LANs (VLANs)?
Answer:
Managed switch
VLANs are a feature of managed switches that allow you to segment a LAN into multiple logical networks.
68
If a computer can't connect to other devices, it's considered:
Answer:
Offline
Offline status means a computer isn’t connected to a network or the internet. [cite: 250]
69
In a P2P network, where are the resources (files, printers) located?
Answer:
Distributed among the peer computers
Resources in a P2P network are shared directly from the hard drives of the individual peer computers.
70
Which network is commonly used in school computer labs?
Answer:
LAN
Local Area Networks connect devices within a limited area like schools or offices. [cite: 283]