CERTIFIED-IN-CYBERSECURITY Question #85: Real Exam Question with Answer & Explanation

The correct answer is B: Physical. The physical layer exists in the OSI model, but not in the TCP/IP model. The TCP/IP Protocol Architecture Layers are: [1] Application (Determines the protocols for the Transport layer); [2] Transport (Allows for data to move among devices); [3] Internet (Creates and inserts packe

Network Security Concepts

Question

Which of these types of layers is NOT part of the TCP/IP model?

Options

ATransport
BPhysical
CApplication
DInternet

Explanation

The physical layer exists in the OSI model, but not in the TCP/IP model. The TCP/IP Protocol Architecture Layers are: [1] Application (Determines the protocols for the Transport layer); [2] Transport (Allows for data to move among devices); [3] Internet (Creates and inserts packets); [4] Network Interface (Governs how data will move through the network) (for more on this, see ISC2 Study Guide, Chapter 4, Module 1).

Topics

#TCP/IP model#Network layers#Networking fundamentals#OSI model

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