Midterm Examination 1 (Computer Network)

What is malware?

• A. Software developed to steal data and damage computers

• B. A type of computer hardware

• D. A type of computer virus

• C. A network security device

What is the main purpose of a virus?

• A. To encrypt data

• B. To replicate and spread itself digitally

• C. To steal sensitive information

• D. To block access to a computer system

How does a worm spread itself?

• A. By attaching to a software program

• B. By relying on security failures on the target computer

• D. By impersonating trusted organizations

• C. By encrypting data

What does a Trojan virus disguise itself as?

• D. Security patches

• B. Hardware components

• C. Network protocols

• A. Legitimate software

What is the main characteristic of spyware?

• C. It contains advertisements

• A. It is installed with user authorization

• B. It encrypts data

• D. It steals sensitive information without user knowledge

What does adware contain?

• D. Network vulnerabilities

• B. Embedded advertisements

• A. Encryption keys

• C. Malicious code

What is the main goal of ransomware?

• A. To provide free software

• B. To encrypt data and demand a ransom

• C. To prevent malware attacks

• D. To spread itself without human interaction

What is the main objective of phishing attacks?

• B. To impersonate trusted organizations

• A. To encrypt data

• C. To restrict user access

• D. To prevent network breaches

What is the purpose of a denial-of-service (DoS) attack?

• D. To spread malware

• B. To eavesdrop on conversations

• A. To encrypt data

• C. To render a computer unavailable to users

What does a man-in-the-middle (MITM) attack involve?

• D. Replicating and spreading itself digitally

• A. Encrypting data during transmission

• B. Inserting an attacker in the middle of a conversation

• C. Preventing unauthorized access