CSIA Final Exam Version 2 – Practice Questions and Answers
1. What is the primary purpose of encryption?
Answer: To protect data by converting it into an unreadable format that can only be accessed
with the correct key.
2. What is the difference between symmetric and asymmetric encryption?
Answer:
• Symmetric encryption: Uses the same key for encryption and decryption.
• Asymmetric encryption: Uses a public key for encryption and a private key for
decryption.
3. What is phishing?
Answer: A social engineering attack in which attackers trick users into revealing sensitive
information through fraudulent emails, messages, or websites.
4. What is a VPN?
Answer: A Virtual Private Network creates an encrypted tunnel between a user and a network,
protecting data transmitted over the internet.
5. What is the purpose of a digital certificate?
Answer: To verify the identity of a user, device, or website and enable secure communication.
1. What is the primary purpose of encryption?
Answer: To protect data by converting it into an unreadable format that can only be accessed
with the correct key.
2. What is the difference between symmetric and asymmetric encryption?
Answer:
• Symmetric encryption: Uses the same key for encryption and decryption.
• Asymmetric encryption: Uses a public key for encryption and a private key for
decryption.
3. What is phishing?
Answer: A social engineering attack in which attackers trick users into revealing sensitive
information through fraudulent emails, messages, or websites.
4. What is a VPN?
Answer: A Virtual Private Network creates an encrypted tunnel between a user and a network,
protecting data transmitted over the internet.
5. What is the purpose of a digital certificate?
Answer: To verify the identity of a user, device, or website and enable secure communication.
