1. Which type of firewall filters information at Layers 3, 4, 5, and 7 of the OSI reference model?
- Host-based
- Hybrid
- Application gateway
- Packet filtering
- Stateful
Explanation: An application gateway firewall filters information at Layers 3, 4, 5, and 7 of the OSI reference model.
2. Which type of firewall is a combination of various firewall types?
- Host-based
- Hybrid
- Next generation
- Packet filtering
- Proxy
- Stateful
- Transparent
Explanation: A hybrid firewall is a combination of the various firewall types.
3. Which type of firewall is part of a router firewall, permitting or denying traffic based on Layer 3 and Layer 4 information?
- Host-based
- Hybrid
- Next generation
- Packet filtering
- Proxy
- Stateful
- Transparent
Explanation: A packet filtering firewall is part of a router firewall that permits or denies traffic based on Layer 3 and Layer 4 information.
4. Which type of firewall is a PC or server with firewall software running on it?
- Host-based
- Hybrid
- Next generation
- Packet filtering
- Proxy
- Stateful
- Transparent
Explanation: Host-based firewalls is a PC or server with firewall software running on it.
5. Which type of firewall filters IP traffic between a pair of bridged interfaces?
- Host-based
- Hybrid
- Next generation
- Packet filtering
- Proxy
- Stateful
- Transparent
Explanation: A transparent firewall filters IP traffic between a pair of bridged interfaces.