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
6151
A "hop" in networking refers to:
Answer:
The passage of a packet through a router
Each time a packet is forwarded by a router, it is considered one hop.
6152
Computers connected to a LAN have the ability to:
Answer:
Share information or peripherals
LAN users can exchange information or utilize shared hardware like printers.
6153
What do you call a networked device that connects without wires?
Answer:
Wireless
Devices that connect to networks without cables use wireless technology.
6154
Which of the following does NOT affect latency?
Answer:
The amount of bandwidth you have
Increasing your bandwidth does not reduce the time it takes for a single bit to travel from one point to another. Latency is primarily a function of distance and the processing time of network devices.
6155
The connection of devices around a person's desk is a:
Answer:
PAN
A PAN is used to connect personal devices such as a laptop, mouse, keyboard, and printer in a small area.
6156
The term "network of networks" is often used to describe:
Answer:
The Internet
The Internet is a vast collection of interconnected networks, so it is often called a "network of networks."
6157
When computers are linked for information sharing, this arrangement is called a:
Answer:
Network
A network facilitates sharing of data and resources among connected computers.
6158
Which device would you use to segment a large LAN into smaller, more manageable parts?
Answer:
Router
A router can be used to create subnets, which are smaller logical divisions of a network, to improve performance and security.
6159
The Internet is the largest example of a:
Answer:
WAN
The Internet is a global system of interconnected computer networks, making it the ultimate Wide Area Network (WAN).
6160
Which of these network types is the most expensive to set up and maintain?
Answer:
WAN
WANs are the most expensive because they cover large distances and often require leasing communication lines from service providers.