APPLICATION LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The application layer provides transport services to the network.
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The application layer provides the MAC address.
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The application layer provides the application an interface to the network.
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The application layer is not needed.
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Detailed explanation-1: -This layer provides services such as email, file transfer, results distribution, directory services, network resources, etc. The application layer communicates with the operating system and guarantees that data is properly saved. This layer allows users to interact with other software applications.
Detailed explanation-2: -The most prominent one used in application layer is SMTP.
Detailed explanation-3: -The application layer is used by end-user software such as web browsers and email clients. It provides protocols that allow software to send and receive information and present meaningful data to users.
Detailed explanation-4: -a. Presentation layer: The presentation layer is the user interface (UI) layer representing the website or application layout, including web pages, forms, and interactions of APIs. b. Business layer: The business layer contains the application’s business logic, including the security, access, and authentication tasks.