Which of the following log analysis techniques compares the log entries against a set of known bad activity?
A. Trend analysis
B. Signature analysis
C. Correlation analysis
D. Sequencing analysis
Answer: B
Explanation: Signature analysis compares log data to known bad activity. Trend analysis involves identifying activity over time that might appear normal otherwise. Correlation analysis involves tying individual entries based on related information. Sequencing analysis examines activity based on patterns.
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