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Exam Cybersecurity Fundamentals Specialist All Questions

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Exam Cybersecurity Fundamentals Specialist topic 1 question 40 discussion

Actual exam question from ISA's Cybersecurity Fundamentals Specialist
Question #: 40
Topic #: 1
[All Cybersecurity Fundamentals Specialist Questions]

At Layer 4 of the Open Systems Interconnection (OSI) model, what identifies the application that will handle a packet inside a host?

  • A. A TCP/UDP application ID
  • B. A TCP/UDP host ID
  • C. A TCP/UDP port number
  • D. A TCP/UDP registry number
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Suggested Answer: C 🗳️
by Evan7557 at Oct. 12, 2023, 10:26 a.m.

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Morax1100
3 months, 2 weeks ago
Selected Answer: C
At Layer 4 (Transport Layer) of the OSI model, a TCP/UDP port number is used to identify the specific application or service that will handle a packet inside a host.
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Evan7557
5 months, 3 weeks ago
Answer C
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