What is the first step of the SDLC?

Which of the following statements about antivirus software is not true?

A. Antivirus software uses signature-based recognition and behavior-based recognition to detect malware. B. Antivirus software can detect various types of malware. C. Antivirus software is 100 percent effective against malware intrusions. D. Antivirus software can detect, contain, or eliminate malware.

Which of the following is a self-referential object?

a. class SelfRefer { int * xPtr; }; b. class selfRefer { selfRefer x; }; c. class SelfRefer { SelfRefer * xPtr; }; d. class SelfRefer1 { SelfRefer2 x; }; class SelfRefer2 { SelfRefer1 x; };