Which defensive infrastructure component actively monitors network traffic logs, dynamically blocking malicious source IP addresses to protect network availability? MCQ with Answer and Explanation

Which defensive infrastructure component actively monitors network traffic logs, dynamically blocking malicious source IP addresses to protect network availability?
A. Data Sanitization Tool
B. Proxy Server Gateway
C. Intrusion Prevention System (IPS)
D. File Encryption Engine
Answer: Option C
Solution (By JKSSB Mock Tests)
An IPS actively analyzes data packet streams, automatically updating security controls or dropping malicious traffic to protect target networks.

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Practice More Cyber Security Questions

Question #1
A physical cyber security hazard where a threat actor looks over an employee's shoulder at an ATM or computer terminal to copy down passwords or PINs is called:
A. Shoulder Surfing
B. Baiting
C. Pretexting
D. Tailgating

Correct Answer: Option A


Explanation:
Shoulder surfing is the practice of looking over a target's shoulder to covertly observe passwords, PIN codes, or sensitive configurations as they type them.

This question belongs to: Computer Cyber Security
Question #2
What type of malware is a computer worm classified as, given its unique capability to auto-propagate across network loops without needing human host file deployment?
A. Keylogger Interface
B. Self-Replicating Network Malware
C. Trojan Horse Module
D. Macro Virus Exploit

Correct Answer: Option B


Explanation:
Worms are self-contained, self-replicating malware strains that exploit network vulnerabilities to spread autonomously among connected devices.

This question belongs to: Computer Cyber Security
Question #3
Which of the following is a common technique used in DoS attacks?
A. Encrypting files
B. Sending phishing emails
C. Flooding the target with network traffic
D. Installing a virus

Correct Answer: Option C


Explanation:
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