What is the purpose of a digital certificate? MCQ with Answer and Explanation

What is the purpose of a digital certificate?
A. To encrypt a message
B. To speed up data transmission
C. To compress a file
D. To verify the identity of an entity in a digital communication
Answer: Option D
Solution (By JKExamLibrary)
A digital certificate is an electronic document that uses a digital signature to bind a public key with an identity, verifying the owner's authenticity in online communications.

This question belongs to: Computer Cyber Security

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Practice More Cyber Security Questions

Question #1 Report Error
A specialized tool that not only detects active network intrusions but also automatically reconfigures firewall rules to block the attacker’s source IP address immediately is a/an:
A. Proxy Server Gateway
B. Intrusion Prevention System (IPS)
C. Intrusion Detection System (IDS)
D. Cryptographic Hash Verifier

Correct Answer: Option B


Explanation:
An IPS builds on standard IDS capabilities by proactively blocking or neutralizing detected threats in real time.

This question belongs to: Computer Cyber Security
Question #2 Report Error
Which type of network security exploit uses a fake wireless router with the exact same SSID label as a corporate office network to trick workers into connecting so the attacker can log their data traffic?
A. Evil Twin Attack
B. SQL Injection Squeeze
C. Brute Force Cracking
D. DDoS Flood

Correct Answer: Option A


Explanation:
An Evil Twin attack clones a legitimate Wi-Fi access point configuration to trick users into connecting, allowing the attacker to monitor network traffic.

This question belongs to: Computer Cyber Security
Question #3 Report Error
Which of the following is a type of attack that attempts to make a service unavailable by overwhelming it with traffic?
A. SQL injection
B. Man-in-the-middle
C. Phishing
D. Denial-of-Service (DoS)

Correct Answer: Option D


Explanation:
A Denial-of-Service (DoS) attack aims to make a service or network resource unavailable by flooding it with traffic or requests.

This question belongs to: Computer Cyber Security