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
3671
A device that connects two or more network segments and forwards packets between them is a:
Answer:
Router
This is the definition of a router.
3672
The first peer-to-peer file sharing network was:
Answer:
Napster
Napster, launched in 1999, was the first widely used peer-to-peer file sharing service, primarily for sharing MP3 audio files.
3673
What is a common sign of a phishing email?
Answer:
All of the above
It is important to be vigilant for these and other signs of a phishing attack.
3674
What is the name of the feature in some browsers that allows you to take a screenshot of a webpage?
Answer:
All of the above
This feature is becoming increasingly common in web browsers.
3675
A cable TV network is an example of a:
Answer:
MAN
Cable TV networks often span an entire city, providing service to many homes and businesses, which fits the description of a MAN.
3676
What is "Quality of Service" (QoS)?
Answer:
A feature that allows a network to prioritize certain types of traffic
QoS is used to ensure that critical, time-sensitive applications (like VoIP) get the bandwidth and low latency they need, even when the network is busy.
3677
What is the main job of the server in a client-server network?
Answer:
To listen for and respond to requests from clients
A server's primary function is to wait for requests from clients and then fulfill those requests.
3678
If you receive an email from someone unknown, what is the safest action?
Answer:
Delete it without opening
Opening unknown emails risks malware or phishing attacks.
3679
What is a "thin client"?
Answer:
A client computer that relies heavily on the server for processing
A thin client is a lightweight computer that has its processing and data storage done on a central server.
3680
Internet addresses usually include:
Answer:
Country name and organization type
Addresses often reflect country codes and entity types.