Answers and Explanations

1. D. A password cracker can check for weak passwords on the network. Antivirus software can scan for viruses on a computer. Performance Monitor enables you to create baselines to check the performance of a computer. Wireshark is a protocol analyzer.

2. A. Back up the system before you do anything else. This way, you have a backup copy in case anything goes wrong when you analyze or make changes to the system.

3. A. OVAL (Open Vulnerability and Assessment Language) uses XML as a framework for the language. It is a community standard dealing with the standardization of information transfer. 3DES is an encryption algorithm. WPA is a wireless encryption standard, and the deprecated PAP is the Password Authentication Protocol, used for identifying users to a server.