1. People exaggerate on their resumes
2. If you can't do it in the lab, you can't do it in the field
3. See #1
Now I'm not down for whiteboard interviews, these are not that. 1/4
1. A "senior digital forensic analyst" who can't mount a disk image for analysis
2. A penetration tester with "10 years experience" who can't pivot
3. A senior web app tester that can't bypass a trivial XSS filter.
3/4