I applied through an employee referral. The process took 4 weeks. I interviewed at Yahoo (Buffalo, NY) in Oct 2014
Interview
1. Phone screen, basic unix commands and my background.
2. Onsite interview with the team, written test with basic networking questions, face to face interview was asked linux diagnostic commands, http errors, linux/unix architecture and commands.
Everyone was friendly and the whole experience was good, except for the 40days wait to get a decision.
Interview questions [1]
Question 1
They were all expected questions on how to handle network/server failures.