Which of the following is a common technique used in DoS attacks? MCQ with Answer and Explanation

Question
Which of the following is a common technique used in DoS attacks?
A. Flooding the target with network traffic
B. Sending phishing emails
C. Installing a virus
D. Encrypting files
Answer: Option A
Solution (By JKSSB Mock Tests)
A Denial-of-Service (DoS) attack involves overwhelming a target with a flood of network traffic, rendering it unavailable to its intended users.
This question belongs to: Computer Cyber Security
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Practice More Cyber Security Questions

Question #1
What is the function of a security token in multi-factor authentication?
A. To store user passwords
B. To encrypt data
C. To provide a physical key for access
D. To generate a one-time password for authentication
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Correct Answer: Option D

Explanation:
A security token, such as a hardware token or a mobile app, generates a one-time password (OTP) that is used as a second factor in authentication, enhancing security.
This question belongs to: Computer Cyber Security
Question #2
Which of the following is a common technique used in ransomware attacks?
A. Sending spam emails
B. Installing adware
C. Encrypting files and demanding payment for decryption
D. Stealing passwords
Discuss
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Correct Answer: Option C

Explanation:
Ransomware attacks typically involve encrypting the victim's files and demanding a ransom payment in exchange for the decryption key.
This question belongs to: Computer Cyber Security
Question #3
What type of communication attack uses a specialized network sniffer tool to map and record unencrypted data frames moving across a local network interface?
A. Brute Force Cryptanalysis
B. Buffer Overflow Exploit
C. Denial of Service Attack
D. Eavesdropping / Packet Sniffing Attack
Discuss
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Correct Answer: Option D

Explanation:
Packet sniffing or eavesdropping intercepts raw data frames over network links, allowing threat actors to spy on unencrypted confidential payloads.
This question belongs to: Computer Cyber Security
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