All Free Computer Science and IT MCQs with Answers

1181. A(n)_______________appearing on a web page opens another document when clicked.

• A. anchor
• B. URL
• C. hyperlink
• D. reference Fun & Trivia

Explanation: A hyperlink is a clickable item on a web page that opens another document, page, or location. An anchor is an HTML linking mechanism or target, while a URL is the address being linked to.

1182. _____________are set of rules and procedures to control the data transmission over the internet?

• A. IP address
• B. Domains
• C. Protocol
• D. Gateway

Explanation: A protocol is a set of rules governing how data is formatted, transmitted, and received over a network. An IP address identifies a device, whereas a gateway connects different networks.

1183. LAN stands for______________?

• A. Limited Area Network
• B. Logical Area Network
• C. Local Area Network
• D. Large Area Network

Explanation: LAN means Local Area Network, which connects devices within a limited area such as a home, office, or school. The other expansions do not describe this standard networking term.

1184. VOIP stands for___________?

• A. Voice over IP
• B. Video over IP
• C. Viruses over IP
• D. Virtual over IP

Explanation: VoIP means Voice over Internet Protocol, the transmission of voice calls through IP-based networks. The phrase refers to voice, not video, viruses, or virtual services.

1185. Which of the following is a network topology?

• A. LAN
• B. WAN
• C. MAN
• D. BUS

Explanation: A bus is a network topology in which devices share a common backbone cable. LAN, WAN, and MAN describe network coverage areas rather than physical connection arrangements.

1186. "MAN" stands for_______________?

• A. Maximum Area Network
• B. Minimum Area Network
• C. Main Area Network
• D. Metropolitan Area Network

Explanation: MAN means Metropolitan Area Network, which connects computers across a city or metropolitan region. The other expansions are not standard networking terms.

1187. ___________refers to electronic trespassing or criminal hacking?

• A. Cracking
• B. Jacking
• C. Spoofing
• D. Smarming

Explanation: Cracking refers to breaking into systems or bypassing security controls without authorization, making it a form of electronic trespassing. Spoofing means impersonating a trusted source rather than directly breaking into a system.

1188. __________is defined as any crime completed through the use of computer technology?

• A. Computer forensics
• B. Computer crime
• C. Hacking
• D. Cracking

Explanation: Computer crime is the broad term for an illegal act carried out using computers or computer technology. Hacking and cracking are specific activities that may constitute computer crime.

1189. The scrambling of code is known as___________?

• A. Encryption
• B. a firewall
• C. Scrambling
• D. Password proofing

Explanation: Encryption transforms readable data into an encoded form so unauthorized people cannot understand it. A firewall controls network access, so it does not itself mean scrambling code.

1190. Hardware or software designed to guard against unauthorized access to a computer network is known as a(n)___________?

• A. Hacker-proof program
• B. Firewall
• C. Hacker-resistant server
• D. Encryption safe wall

Explanation: A firewall may be hardware, software, or both, and it filters network traffic according to security rules. Its purpose is to block unauthorized access while permitting approved communication.