Which of the following is designed to detect unwanted attempts at accessing, manipulating, and disabling of computer systems through the Internet?

Question

Options

• ADAS
• BIDS
• CACL
• DIpsec

• A
  2% (1)
• B
  92% (54)
• C
  5% (3)
• D
  2% (1)

Explanation

IDS (Intrusion Detection System) is purpose-built to monitor network traffic and system activity for malicious behavior, unauthorized access attempts, and policy violations - exactly what the question describes. It passively watches for threats and alerts administrators when suspicious activity is detected.

Why the others are wrong:

• A. DAS (Direct-Attached Storage) is a data storage architecture - it has nothing to do with network security monitoring.
• C. ACL (Access Control List) controls who can access resources (permissions), but it doesn't detect intrusion attempts - it just enforces rules.
• D. IPsec (Internet Protocol Security) encrypts and authenticates IP communications to protect data in transit, but it's a protection/encryption protocol, not a detection system.

Memory tip: Think of IDS as a burglar alarm - it doesn't stop the intruder (that's IPS or a firewall), but it detects and alerts you to the attempt. The "D" in IDS stands for Detection, which maps directly to the question's keyword "detect."

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