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Exam SSCP topic 6 question 25 discussion

Actual exam question from ISC's SSCP
Question #: 25
Topic #: 6
[All SSCP Questions]

Which of the following OSI layers provides routing and related services?

  • A. Network Layer
  • B. Presentation Layer
  • C. Session Layer
  • D. Physical Layer
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Suggested Answer: A 🗳️
The Network Layer performs network routing functions.
The following answers are incorrect:
Presentation Layer. Is incorrect because the Presentation Layer transforms the data to provide a standard interface for the Application layer.
Session Layer. Is incorrect because the Session Layer controls the dialogues/connections (sessions) between computers.
Physical Layer. is incorrect because the Physical Layer defines all the electrical and physical specifications for devices.

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