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
161
What is "wardriving"?
Answer:
Driving around looking for open and insecure Wi-Fi networks
Wardriving is the act of searching for Wi-Fi networks from a moving vehicle.
162
Which network type would be used to connect the different branches of a bank in a city?
Answer:
MAN
A MAN would be the most appropriate choice to connect multiple bank branches within the same city, as it is designed for this scale of networking.
163
Which device would you use to extend the range of a wireless network?
Answer:
A wireless repeater or extender
A wireless repeater is a device that takes an existing wireless signal and rebroadcasts it to extend its range.
164
Which devices may a company use to fulfill various communication requirements?
Answer:
All of the above
Multiplexers, concentrators, controllers, and front end processors can all be part of a company’s communication solutions.
165
Which of the following is an example of a wired network technology?
Answer:
Ethernet
Ethernet is the most common technology for creating wired local area networks (LANs).
166
The performance of a wireless network can be affected by:
Answer:
All of the above
All of these factors can impact the speed and reliability of a wireless connection.
167
Which model is more complex to design and implement?
Answer:
Client-server model
The client-server model requires more planning, specialized hardware, and software, making it more complex.
168
Which network type is more scalable (easier to add new devices)?
Answer:
Wireless network
Adding a new device to a wireless network is as simple as entering the password, whereas a wired network requires a physical port and cable.
169
For streaming a high-definition video, which is more important?
Answer:
High bandwidth
Streaming video requires a high, sustained data rate to deliver the large amount of data needed for high-quality video, so high bandwidth is essential.
170
What is a potential issue with P2P file sharing?
Answer:
Copyright infringement and malware.
P2P networks are often used for the illegal distribution of copyrighted material, and downloading files from unknown peers can expose you to viruses and malware.