Which firewall filtering type checks the actual structural state of an active network connection, keeping track of outbound data handshakes to verify that incoming response packets are legitimate parts of an established session? MCQ with Answer and Explanation

Which firewall filtering type checks the actual structural state of an active network connection, keeping track of outbound data handshakes to verify that incoming response packets are legitimate parts of an established session?
A. Stateless Packet Filtering
B. Application Layer Proxy
C. Circuit Level Gateway
D. Stateful Inspection Firewall
Answer: Option D
Solution (By JKExamLibrary)
Stateful firewalls track the operational status and context of network connections, validating incoming packets against verified outbound session states.

This question belongs to: Computer Cyber Security

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Which type of firewall inspects raw data payloads at the highest layer of the network stack, filtering traffic based on specific application commands and web parameters?
A. Packet Filter Gateway
B. Circuit Level Interceptor
C. Stateful Connection Monitor
D. Application Layer Firewall / Proxy Firewall

Correct Answer: Option D


Explanation:
Application firewalls operate at Layer 7 of the OSI model, analyzing specific application-level protocols (like HTTP or FTP) to block sophisticated web attacks.

This question belongs to: Computer Cyber Security
Question #2 Report Error
An attacker uses specialized software to capture, inspect, and log unencrypted data packets as they travel across a shared public Wi-Fi network. This exploit is classified as a/an:
A. Brute Force Cryptanalysis
B. Buffer Overflow Exploit
C. Eavesdropping / Packet Sniffing Attack
D. Denial of Service Attack

Correct Answer: Option C


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
Question #3 Report Error
Which of the following is a characteristic of a secure network design?
A. Open access for all
B. Use of default passwords
C. Segmentation of network
D. Disabled firewalls

Correct Answer: Option C


Explanation:
Network segmentation divides a network into smaller, isolated segments, limiting the spread of attacks and improving security.

This question belongs to: Computer Cyber Security