Firewall Types and Basing Quiz

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What is the main purpose of an application-level gateway firewall?

To act as a relay for application-level traffic between the user and the remote host (correct)
To provide advanced logging and auditing capabilities for network traffic
To filter IP packets based on source and destination addresses
To provide a secure connection between two networks

What is a key advantage of an application-level gateway firewall compared to a packet filter firewall?

Application-level gateways are easier to configure and maintain
Application-level gateways can scrutinize a smaller set of allowable applications (correct)
Application-level gateways provide better protection against network-level attacks
Application-level gateways can handle a larger volume of network traffic

Which of the following is NOT a characteristic of an application-level gateway firewall?

It can log and audit all incoming traffic at the application level
It can be configured to support only specific features of an application
It acts as a relay for application-level traffic between the user and the remote host
It can provide a secure connection between two networks (correct)

If an application-level gateway firewall does not implement the proxy code for a specific application, what happens?

The service is not supported and cannot be forwarded across the firewall (D) Signup and view all the answers

Which type of firewall is considered more secure than a packet filter firewall?

Application-level gateway (B) Signup and view all the answers

What is the primary function of a circuit-level gateway firewall?

To monitor and control the flow of TCP connections (B) Signup and view all the answers

What is a prime disadvantage of an Application-Level Gateway?

It incurs additional processing overhead on each connection. (A) Signup and view all the answers

What is a key feature of a Circuit-Level Gateway?

It relays TCP segments without examining contents. (B) Signup and view all the answers

How does a Circuit-Level Gateway handle TCP connections?

It relays TCP segments between two established connections. (A) Signup and view all the answers

In what scenario is a Circuit-Level Gateway commonly used?

When the system administrator trusts internal users. (B) Signup and view all the answers

What differentiates a Circuit-Level Gateway from an Application-Level Gateway?

Application-Level examines the contents, while Circuit-Level does not. (D) Signup and view all the answers

What is a common use case for a Circuit-Level Gateway according to the text?

When supporting application-level service for inbound connections. (C) Signup and view all the answers

What is a software firewall?

A firewall installed in the software of a device (A) Signup and view all the answers

In what way are hardware firewalls different from software firewalls?

Hardware firewalls are physical devices filtering network access (A) Signup and view all the answers

What is a circuit-level gateway primarily responsible for?

Examining incoming application data for forbidden functions (B) Signup and view all the answers

How do software firewalls compare to hardware firewalls in terms of compatibility with multiple devices in a single network?

Software firewalls require multiple installations on different devices (D) Signup and view all the answers

What is a key advantage of hardware firewalls for large networks?

They can protect various devices on the same network (B) Signup and view all the answers

Which type of firewall would be best suited for protecting multiple devices on a single network?

Hardware firewall (A) Signup and view all the answers