Which firewall asset operates explicitly at Layer 7 of the OSI model, proxying web requests to filter input values and block application attacks? MCQ with Answer and Explanation

Which firewall asset operates explicitly at Layer 7 of the OSI model, proxying web requests to filter input values and block application attacks?
A. Application Layer Firewall
B. Stateful Inspection Monitor
C. Circuit Level Gateway
D. Packet Filtering Gateway
Answer: Option A
Solution (By JKSSB Mock Tests)
Application firewalls filter commands at Layer 7, inspecting protocol payloads to protect web servers from exploitation.

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Practice More Cyber Security Questions

Question #1
Which defensive infrastructure component actively monitors network traffic logs, dynamically blocking malicious source IP addresses to protect network availability?
A. Proxy Server Gateway
B. Data Sanitization Tool
C. Intrusion Prevention System (IPS)
D. File Encryption Engine

Correct Answer: Option C


Explanation:
An IPS actively analyzes data packet streams, automatically updating security controls or dropping malicious traffic to protect target networks.

This question belongs to: Computer Cyber Security
Question #2
What type of script vulnerability targets database processing fields by passing unvalidated parameters directly into an application’s dynamic query logic?
A. Cross-Site Scripting
B. Denial of Service Loop
C. SQL Injection
D. Buffer Overflow Exploit

Correct Answer: Option C


Explanation:
SQL injection executes arbitrary database commands by inserting malicious SQL code statements into unvalidated input fields.

This question belongs to: Computer Cyber Security
Question #3
Which of the following is a common method used by attackers to bypass security controls?
A. Encrypting data
B. Installing firewalls
C. Exploiting software vulnerabilities
D. Using strong passwords

Correct Answer: Option C


Explanation:
Attackers often exploit software vulnerabilities, such as unpatched security flaws, to bypass security controls and gain unauthorized access to systems.

This question belongs to: Computer Cyber Security