Which software utility evaluates file directories by calculating SHA-256 hashes, alerting administrators if any core application files have been modified or corrupted? MCQ with Answer and Explanation
Which software utility evaluates file directories by calculating SHA-256 hashes, alerting administrators if any core application files have been modified or corrupted?
A. Firewall Packet Filter
B. File Compression Engine
C. Sandbox Controller
D. Integrity Checker
Answer: Option D
Solution (By JKExamLibrary)
Integrity checkers calculate cryptographic hashes of files, comparing them to known vendor benchmarks to verify the file hasn't been modified.
What type of attack targets a web application by injecting malicious SQL statements into input forms, allowing the attacker to manipulate the underlying backend database directly?
Explanation:
SQL injection occurs when unvalidated user input is passed directly to a database query engine, enabling threat actors to view, alter, or delete database tables illegally.
A piece of code that self-replicates by attaching its binary payload to an executable file on a USB flash drive, running whenever the drive is plugged into a new system, is a:
Explanation:
File infectors and boot sector viruses attach to portable files and storage partitions, copying themselves to new host machines via shared media.
A security infrastructure strategy where multiple independent layers of security controls—such as firewalls, MFA, encryption, and awareness training—are deployed across an enterprise is:
Explanation:
Defense in Depth combines technical, physical, and administrative security layers to build redundant protection boundaries and avoid single points of failure.
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