Practice Quiz

CompTIA Security+ Exam Prep

Category - Communication

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A protocol at each layer has specific responsibilities and functions that it must perform. What layer formats application layer protocols in the OSI model?
  1. Presentation Layer
  2. Session Layer
  3. Transport Layer
  4. Network Layer
Explanation
Answer: A - The presentation layer formats application layer protocols into the OSI model. This layer provides a common means of representing data in a structure that can be properly processed by the end system. The presentation layer is not concerned with the meaning of data, but with syntaxes and format of those data. It works as a transporter, translating the format an application is using to a standard format used for passing messages over a network. This layer also handles data compression and encryption.
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