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Types of Firewalls in Network Security

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Questions and Answers

What is the primary function of a packet filter in a network?

To block incoming traffic from a specific IP address

To translate public IP addresses to private IP addresses

To apply a set of rules to each packet and decide whether to forward or discard it (correct)

To strengthen the firewall against attacks

What is the purpose of a packet filter table?

To display filtering rules based on IP and TCP/UDP headers (correct)

To store IP addresses of authorized users

To configure firewall rules

To detect spoofing attacks

What is a common attack that can be thwarted by discarding packets with a specific option?

DDoS attack

Source Routing Attacks (correct)

Phishing attack

Spoofing attack

What is the primary goal of implementing a firewall in a network?

To allow only authorized traffic to pass through Signup and view all the answers

What is the term used to describe a router that is configured to filter packets going in either direction?

Screening router Signup and view all the answers

What is the purpose of a firewall in a network?

To render attacks on it useless Signup and view all the answers

What is the term used to describe an attack where an intruder sends a packet with a source IP address set equal to one of the IP addresses of internal users?

Spoofing attack Signup and view all the answers

What is the primary advantage of using packet filtering in a network?

It applies a set of rules to each packet and decides whether to forward or discard it Signup and view all the answers

What is the purpose of configuring a firewall?

To allow only authorized traffic to pass through Signup and view all the answers

What is the term used to describe the process of applying a set of rules to each packet and deciding whether to forward or discard it?

Packet filtering Signup and view all the answers