What does the application layer handle?(a) Top-level communication(b) Bottom-level communication(c) Both Top-level and Bottom-level communication(d) Middle-level communicationThis question was addressed to me in an online quiz.The doubt is from Performance Measures in JavaScript topic in portion Performance Measures in JavaScript of JavaScript

What does the application layer handle?(a) Top-level communication(b)

1.	What does the application layer handle?(a) Top-level communication(b) Bottom-level communication(c) Both Top-level and Bottom-level communication(d) Middle-level communicationThis question was addressed to me in an online quiz.The doubt is from Performance Measures in JavaScript topic in portion Performance Measures in JavaScript of JavaScript
Answer» Right option is (a) Top-level COMMUNICATION The explanation is: An application layer is an abstraction layer that specifies the shared COMMUNICATIONS protocols and interface methods used by hosts in a communications NETWORK. The Application layer handles the top-level communication that the CLIENT and servers use, LIKE HTTP and SMTP for email clients.

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