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
1271
"Malvertising" refers to:
Answer:
The use of online advertising to spread malware.
Malvertising involves injecting malicious code into legitimate online advertising networks. These malicious ads can compromise your computer even if you don't click on them, simply by being displayed on a webpage you visit.
1272
What term describes an advertisement embedded in software you download from the internet?
Answer:
Adware
Adware is software that automatically displays or downloads advertising material when a user is online.
1273
A padlock icon in the address bar of your web browser means:
Answer:
The website is using a secure, encrypted connection (HTTPS).
The padlock icon is a visual indicator that the website is using HTTPS, meaning the connection is encrypted. It does not provide any guarantee about the legitimacy or safety of the website's content.
1274
How can using a password manager help prevent fraud?
Answer:
All of the above.
Password managers are a highly recommended tool for online security. They solve the problem of creating and remembering strong, unique passwords for every site, which significantly reduces the risk of account takeover and fraud.
1275
Why is an urgent request from a supposed executive a powerful social engineering tactic?
Answer:
Most employees are eager to help their bosses and are afraid to say no.
This tactic, often used in CEO fraud, exploits the power dynamic in a company. Employees are conditioned to respond quickly to requests from superiors and may not question a request, even if it is suspicious.
1276
The act of stealing someone's identity and damaging their credit rating is called:
Answer:
Identity theft
Identity theft is the crime of obtaining the personal or financial information of another person to use their identity to commit fraud.
1277
A "pump and dump" scheme is a type of fraud common in:
Answer:
The stock market and cryptocurrency markets.
Pump and dump is a type of securities fraud that involves artificially inflating the price of a stock or cryptocurrency (the "pump") through false and misleading positive statements, in order to sell the cheaply purchased assets at a higher price (the "dump").
1278
What is a VPN (Virtual Private Network)?
Answer:
A secure, encrypted connection over a public network.
A VPN creates a secure "tunnel" for your internet traffic, encrypting your data and hiding your IP address. This enhances your privacy and security, especially when using public Wi-Fi.
1279
Which of the following URLs is most likely a phishing link trying to impersonate the legitimate site "mybank.com"?
Answer:
[http://login.mybank.com.security-update.com](https://www.google.com/search?q=http://login.mybank.com.security-update.com)
This URL is designed to be deceptive. The true domain is "security-update.com," not "mybank.com." The subdomains "https://www.google.com/search?q=login.mybank.com" are added to trick the user into thinking the site is legitimate.
1280
What does the term "cyber hygiene" refer to?
Answer:
A set of practices and steps that users of computers and other devices can take to maintain system health and improve online security.
Cyber hygiene involves routine practices, much like personal hygiene, that help keep you safe online. This includes using strong passwords, updating software, and being cautious about suspicious links and attachments.