Unit 4

1. A quick fix for a specific software problem.
3. A fix that is more thoroughly tested than a hotfix and designed for a wider deployment.
8. A collection of patches, hotfixes, and system enhancements that have been tested by the manufacturer for wide deployment.
9. a standalone storage device or appliance that acts as a file server.
11. this chain is used for packets leaving the system.
13. a firewall command line utility for Linux operation systems that uses three policy chains to allow or block network traffic.
14. provides no authentication, encryption, or error detection.

2. this chain controls the behavior for incoming connections.
4. an operating system that comes hardened and validated to a specific security level as defined in the Common Criteria for Information Technology Security Evaluation (CC).
5. The process of securing devices and software by reducing the security exposure and tightening security controls.
6. can provide information about which operating system a computer uses.
7. A component of a manageable network plan that indicates an action or event.
10. A special network composed of high-speed storage that is shared by multiple servers.
12. this chain is used for outgoing connections.