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Exam SSCP topic 6 question 147 discussion

Actual exam question from ISC's SSCP
Question #: 147
Topic #: 6
[All SSCP Questions]

What ISO/OSI layer do switches primarily operate at?
Do take note that this question makes reference to a plain vanilla switch and not one of the smart switches that is available on the market today.

  • A. Physical layer
  • B. Network layer
  • C. Data link layer
  • D. Session layer
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Suggested Answer: C 🗳️
Switches primarily operate at the data link layer (layer 2), although intelligent, extremely fast Layer 3 switching techniques are being more frequently used.
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 3:
Telecommunications and Network Security (page 111).
by xymavu at April 4, 2025, 11:55 p.m.

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