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
251
Which browser is known for its "Workspaces" feature, which allows you to organize your tabs into different groups?
Answer:
Opera
Workspaces can help you to keep your tabs organized and reduce clutter.
252
How can you protect yourself from clickjacking?
Answer:
All of the above
It is important to be aware of this type of attack and take steps to protect yourself.
253
What is a "self-signed certificate"?
Answer:
A digital certificate that is signed by its own creator, rather than a trusted CA
Self-signed certificates are not trusted by browsers, and they will display a warning message when you visit a website that uses one.
254
What is the difference between a switch and a bridge?
Answer:
Both a and b
A switch is essentially a faster, multiport bridge. They both operate at Layer 2 and use MAC addresses.
255
Which of the following is an example of a wireless network technology?
Answer:
Wi-Fi
Wi-Fi is a wireless networking technology that uses radio waves to provide wireless high-speed internet and network connections.
256
What is a "fact-checking" website?
Answer:
A website that is dedicated to verifying the accuracy of information
Fact-checking websites can be a valuable tool for identifying fake news and misinformation.
257
What is "phishing"?
Answer:
An attempt to trick you into revealing sensitive information, such as your username, password, or credit card details, by masquerading as a trustworthy entity in an electronic communication
Phishing attacks are often carried out via email, but they can also occur through text messages, social media, and other channels.
258
What is a key difference between a LAN and a WAN?
Answer:
The geographical area they cover
The most significant difference between a LAN and a WAN is the geographical area they span. LANs are local, while WANs are widespread.
259
XML stands for
Answer:
Extended Markup Language
XML is a flexible markup language for structuring data.
260
Which of the following is used to find information on the World Wide Web?
Answer:
Search engine
A search engine (like Google, Bing, or DuckDuckGo) is a specialized website that allows users to find information on the World Wide Web. Users enter keywords, and the search engine returns a list of relevant web pages from its vast index.