So the interview for your next great job is coming up and you've got answers for your strengths, weaknesses and teamwork skills—but can you explain the 5-4-3 rule of computer networking? InterviewUp, a social website focused on industry-specific interview questions, could help you prepare for your time in the hot seat. No account is required to search, post or answer questions asked of candidates, but a free sign-up lets users get email notices when questions they ask get answered. The...