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Exam Nokia 4A0-100 topic 1 question 22 discussion

Actual exam question from Nokia's Nokia 4A0-100
Question #: 22
Topic #: 1
[All Nokia 4A0-100 Questions]

The TCP/IP and OSI models of protocol are similar in that they both have:

  • A. An application and session layer.
  • B. A network layer that provides a universal and consistent forwarding service.
  • C. A transport layer with two protocols.
  • D. An applications services layer with similar layering and service definitions.
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Suggested Answer: C 🗳️
by geoff.vandermerwe at Aug. 10, 2025, 10:26 p.m.

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geoff.vandermerwe
3 months, 2 weeks ago
Selected Answer: B
Both TCP/IP and OSI have a network layer whose primary function is addressing and routing packets across different networks in a universal way. In TCP/IP, this is the Internet Layer (IP). In OSI, it’s the Network Layer. Both are responsible for end-to-end delivery regardless of the underlying physical network.
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