Which of the following is NOT a characteristic or shortcoming of packet filtering gateways?

The correct answer is D. They are appropriate for medium-risk environment.. Packet filtering gateways are the simplest and most basic type of firewall. They are only considered appropriate for LOW-risk environments, not medium-risk ones - making option D an inaccurate characteristic and therefore the correct answer to 'which is NOT a characteristic.' The

Submitted by weili_xi· Apr 18, 2026Network and Communications Security

Question

Which of the following is NOT a characteristic or shortcoming of packet filtering gateways?

Options

AThe source and destination addresses, protocols, and ports contained in the IP
BThey don't protect against IP or DNS address spoofing.
CThey do not support strong user authentication.
DThey are appropriate for medium-risk environment.

How the community answered

(53 responses)

A
2% (1)
B
6% (3)
C
2% (1)
D
91% (48)

Explanation

Packet filtering gateways are the simplest and most basic type of firewall. They are only considered appropriate for LOW-risk environments, not medium-risk ones - making option D an inaccurate characteristic and therefore the correct answer to 'which is NOT a characteristic.' The other options accurately describe real traits: packet filters do inspect source/destination addresses, protocols, and ports (A); they are vulnerable to IP and DNS spoofing because they cannot verify the authenticity of addresses (B); and they lack mechanisms for strong user authentication (C).

Topics

#Packet Filtering Gateways#Firewalls#Network Security Architecture#Security Device Capabilities

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