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Questions and Answers
What is a primary advantage of running a firewall as a dedicated device?
What is a primary advantage of running a firewall as a dedicated device?
- It is easier to design correctly and inspect for bugs. (correct)
- It is easier to configure.
- It is more difficult to design correctly.
- It is more vulnerable to external attacks.
What is a characteristic of a reference monitor, such as a firewall?
What is a characteristic of a reference monitor, such as a firewall?
- It is only used for internal networks.
- It is not necessary for network security.
- It is only invoked occasionally.
- It is always invoked and cannot be avoided. (correct)
What is the primary function of a firewall's security policy?
What is the primary function of a firewall's security policy?
- To allow all traffic to pass through.
- To block all traffic from passing through.
- To monitor internal network traffic.
- To determine what traffic can or cannot pass through. (correct)
What type of firewall is described in the example configuration, where external traffic can reach specific internal servers and ports?
What type of firewall is described in the example configuration, where external traffic can reach specific internal servers and ports?
What is the primary benefit of a small and simple firewall design?
What is the primary benefit of a small and simple firewall design?
What is the primary function of a firewall?
What is the primary function of a firewall?
What is a characteristic of a reference monitor, such as a firewall?
What is a characteristic of a reference monitor, such as a firewall?
What type of firewall sees only addresses and service protocol type?
What type of firewall sees only addresses and service protocol type?
What type of firewall maintains state information from one packet to another in the input stream?
What type of firewall maintains state information from one packet to another in the input stream?
What is the purpose of a firewall's security policy?
What is the purpose of a firewall's security policy?
What type of firewall is similar to a packet filter?
What type of firewall is similar to a packet filter?
What is the primary function of a firewall in a network?
What is the primary function of a firewall in a network?
What type of firewall operates at the network layer?
What type of firewall operates at the network layer?
What is a key characteristic of a stateful packet filter?
What is a key characteristic of a stateful packet filter?
What is the analogy used to describe the role of a firewall in a network?
What is the analogy used to describe the role of a firewall in a network?
What type of firewall is designed for a single user or a small home network?
What type of firewall is designed for a single user or a small home network?
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