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
11
Which model is more anonymous?
Answer:
Anonymity is difficult to achieve in P2P networks.
In many P2P networks, the IP addresses of the peers are visible to each other, making them not very anonymous without additional tools like a VPN.
12
Which device would you use to connect a wired device to a wireless network?
Answer:
A wireless access point
A wireless access point (WAP) acts as a bridge between a wired and a wireless network.
13
Which device is best for a small home network with a few computers?
Answer:
A combination of a switch and a router.
Most home networks use a wireless router, which is a combination of a router, a switch, and a wireless access point.
14
What is a key difference between a LAN and a WAN?
Answer:
The geographical area they cover
The most significant difference between a LAN and a WAN is the geographical area they span. LANs are local, while WANs are widespread.
15
A 100 Mbps internet connection refers to its:
Answer:
Bandwidth
"100 megabits per second" is a measure of the maximum data transfer rate, which is the bandwidth.
16
A network connecting all the computers in a company's main office would be a:
Answer:
LAN
A network within a single office building is a classic example of a Local Area Network (LAN).
17
Which network would be used to connect computers in different countries?
Answer:
WAN
A WAN is the only type of network that can connect computers across international borders.
18
A web browser requesting a page from a web server is an example of:
Answer:
Client-server model
The web browser is the client, and the web server is the server that provides the requested webpage. This is a classic client-server interaction.
19
What is a key feature of a MAN?
Answer:
It covers a geographic area larger than a LAN but smaller than a WAN.
The defining characteristic of a MAN is its intermediate size, fitting between a LAN and a WAN.
20
Which network type typically has lower latency?
Answer:
Wired network
Wired networks usually have lower latency (delay) because the signal travels through a physical cable, which is faster and more direct than radio waves.