Firewall Knowledge Quiz

What is the primary purpose of a firewall?

• To speed up internet connections

• To block all incoming traffic

• To monitor and control network traffic

• To provide wireless connectivity

Which of the following is a type of firewall?

• Packet-filtering firewall

• Application-level firewall

• Circuit-level gateway

• All of the above

Packet filtering firewalls operate at which layer of the OSI model?

• Application Layer

• Network Layer

• Transport Layer

• Data Link Layer

Stateful firewalls maintain a record of:

• IP addresses

• TCP/IP stack

• Active connections

• DNS records

Which of the following is NOT a firewall deployment method?

• Proxy server

• Hardware-based

• Software-based

• Cloud-based

Which type of firewall uses proxies to inspect traffic?

• Packet-filtering firewall

• Stateful inspection firewall

• Proxy firewall

• NAT firewall

What does NAT stand for in the context of firewalls?

• Network Allocation Table

• Network Address Translation

• Node Access Technology

• None of the above

A DMZ in network security is used to:

• Isolate critical servers from the internal network

• Create a secure zone for the firewall

• Encrypt internal network traffic

• Prevent outgoing traffic

Which firewall rule action explicitly prevents traffic?

• Allow

• Deny

• Monitor

• Log

Firewalls can help prevent which type of attack?

• Phishing

• DoS (Denial of Service)

• Malware infection

• All of the above