1. Which method is primarily used to secure data during transmission over the Internet?
a. Firewall
b. Secure Socket Layer (SSL)
c. Antivirus
d. Backup
✅ Answer: b. Secure Socket Layer (SSL)
Explanation: SSL (or TLS) encrypts data to ensure secure transmission over networks, especially for websites (HTTPS).
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2. What does a firewall primarily do in a computer network?
a. Encrypt data
b. Block unauthorized access
c. Backup files
d. Detect viruses
✅ Answer: b. Block unauthorized access
Explanation: A firewall monitors and controls incoming/outgoing network traffic based on security rules.
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3. Which of the following is a strong password example?
a. 123456
b. password
c. P@ssw0rd!92
d. abcdef
✅ Answer: c. P@ssw0rd!92
Explanation: Strong passwords include uppercase, lowercase, numbers, and special characters. They should be unpredictable and at least 8+ characters.
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4. What type of attack involves tricking users into giving confidential information by pretending to be a trustworthy entity?
a. Phishing
b. Malware
c. Spoofing
d. DoS attack
✅ Answer: a. Phishing
Explanation: Phishing is a type of social engineering attack where users are tricked via fake emails/websites to provide sensitive data.
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5. Which of the following is used to ensure data integrity?
a. Encryption
b. VPN
c. Hashing
d. Cloud storage
✅ Answer: c. Hashing
Explanation: Hashing generates a fixed value for data (a hash), used to verify that the content has not been tampered with.
