But during the interview process at Google, things don't go as smoothly for the interviewee. Only 45% of respondents said they had a positive interview experience at Google, with 18% reporting it was negative. Rackspace, Unisys and Juniper each had more than 65% positive experience ratings for the interviews.

What questions should you be prepared to answer during a tech interview?

"What is the marginal cost of a gigabyte in Gmail?" one Google associate product manager reported being asked in an interview. Another said, "All were puzzle type questions ... many books can help prepare you for this kind of thing. Don't have a specific one in mind. I would not say that they were trick questions in any way; more algorithm-based."

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Network World staff writer Brandon Butler covers cloud computing and social collaboration. He can be reached at BButler@nww.com and found on Twitter at @BButlerNWW.