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
211
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.
212
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.
213
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.
214
What do you call a company’s private network that only employees can access?
Answer:
Intranet
An intranet is a secure, internal network restricted to company staff.
215
Which network type has the highest latency?
Answer:
WAN
Due to the long distances that data has to travel, WANs typically have the highest latency compared to other network types.
216
A network operating system (NOS) like Windows Server is required for which model?
Answer:
Client-server model
A network operating system is specialized software that runs on the server to manage network resources and security.
217
What is WPA2 or WPA3?
Answer:
A security protocol for wireless networks
Wi-Fi Protected Access 2 (WPA2) and its successor WPA3 are security protocols used to encrypt traffic on Wi-Fi networks.
218
A router is a:
Answer:
Both a and b
A router is a hardware device that runs specialized software (firmware) to perform its routing functions.
219
A USB device that encrypts data for secure wireless communication in a MAN is what?
Answer:
Metropolitan area network
This describes a device providing secure connectivity within a Metropolitan Area Network (MAN), which spans a city or large campus.
220
Which network type is easier to install in an existing building?
Answer:
Wireless network
Wireless networks are much easier to set up in existing buildings as they don't require running cables through walls and ceilings.