Multiple choice technology

SKYPE is based on

  1. SIP

  2. H.323

  3. All of the above

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SKYPE uses a proprietary peer-to-peer protocol originally based on Kazaa's architecture, not standard VoIP protocols like SIP or H.323. While Skype for Business (formerly Lync) later adopted SIP, the original consumer Skype application did not use either SIP or H.323. Therefore 'None of the above' is the correct answer.

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