APPLICATION LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the upper three layers of the OSI Model? (Choose three)
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Data Link
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Session
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Application
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Transport
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Presentation
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Explanation:
Detailed explanation-1: -OSI uses three layers–application, presentation and session–to define the functionality of upper layers, while TCP/IP uses only the application layer.
Detailed explanation-2: -The main functions of Layer 3 include routing and forwarding, as well as internetworking, addressing, packet sequencing, congestion control, and error handling. The protocols used in Layer 3 include: Internet Protocols IPv4/v6. Internet Control Message Protocol (ICMP)
Detailed explanation-3: -The network layer is layer 3 in the OSI model, and it is responsible for connections between different networks.
There is 1 question to complete.