An optical mouse uses ________

When calculating lucas(8), how many times is lucas(5) calculated?

The Lucas sequence is defined as the sequence that begins with 2 and 1, and every other number in the sequence is the sum of the two preceding numbers. A recursive method to generate the term in the Lucas sequence is: ``` public int lucas(int n) { if(n == 1) return 2; if(n == 2) return 1; return lucas(n-1) + lucas(n-2); } ```

Which of the following is an example of a Severity Level 3 incident?

A) Malware detected on multiple systems B) User’s excessive use of bandwidth or resources C) Compromise or suspected compromise of any company website or web presence D) Compromise or suspected compromise of protected customer information