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
5881
Which model's performance can degrade if one peer has a slow internet connection?
Answer:
Peer-to-peer model
In a P2P network, you are often downloading data directly from other peers, so their connection speed can affect your download speed.
5882
The network within your car that connects your phone to the car's infotainment system is a:
Answer:
PAN
This is a short-range wireless network connecting personal devices, which is the definition of a PAN.
5883
How many collision domains does a 12-port switch create?
Answer:
12
Each port on a switch is its own collision domain, so a 12-port switch creates 12 collision domains.
5884
What is a routing table?
Answer:
A list of IP addresses and the best path to reach them
A router uses a routing table to store information about different networks and how to reach them.
5885
For online gaming, which is more important?
Answer:
Low latency
In gaming, a low latency (ping) is crucial for a responsive experience, as it reduces the delay between your actions and the game's response.
5886
A network that covers a college campus is a:
Answer:
LAN
Even a large campus network is considered a LAN because it is a single, contained network under one organization's control.
5887
The fundamental trade-off in network design is often between:
Answer:
All of the above
Network design involves balancing many competing factors. For example, a very high-bandwidth, low-latency connection (like dedicated fiber) is very expensive. Similarly, very high security can sometimes make a network harder to use.
5888
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.
5889
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.
5890
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.