CERTIFIED-IN-CYBERSECURITY Question #242: Real Exam Question with Answer & Explanation

The correct answer is D: The Transport layer. The Transport Layer is the layer of the OSI model responsible for the end-to-end transmission of data between two hosts. TCP and UDP are two of the main protocols used at this layer, as they provide reliable and unreliable data delivery services respectively. The Network layer is

Network Security

Question

Which OSI model layer is responsible for the end-to-end transmission of data between two hosts?

Options

AThe Network layer
BThe Presentation layer
CThe Session layer
DThe Transport layer

Explanation

The Transport Layer is the layer of the OSI model responsible for the end-to-end transmission of data between two hosts. TCP and UDP are two of the main protocols used at this layer, as they provide reliable and unreliable data delivery services respectively. The Network layer is responsible for routing data between networks, while the Session layer is responsible for establishing, maintaining, and terminating communication sessions between applications. The Presentation layer is responsible for the representation of data, such as encoding and encryption (see ISC2 Study Guide, Chapter 4, Module 1)

Topics

#OSI Model#Transport Layer#Networking Fundamentals#End-to-End Communication

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