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
6091
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.
6092
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.
6093
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.
6094
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.
6095
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.
6096
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.
6097
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.
6098
What is circuit switching?
Answer:
A method where a dedicated physical connection is established for the duration of a communication
The traditional telephone network is an example of a circuit-switched network.
6099
What is a key advantage of the client-server model for businesses?
Answer:
Centralized control and security
For a business, the ability to centrally manage data, users, and security is the most significant advantage of the client-server model.
6100
Which type of network is more susceptible to interference?
Answer:
Wireless network
Wireless networks can be affected by interference from other wireless devices, physical obstructions, and even microwave ovens.