Implementation Manager (IM) Specialist CHTS Practice Test

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Encryption and compression tasks are managed by which OSI Model layer?

  1. Presentation Layer

  2. Network Layer

  3. Application Layer

  4. Transport Layer

The correct answer is: Presentation Layer

The Presentation Layer of the OSI model is responsible for the formatting and presentation of data. This includes tasks such as encryption and compression. Encryption secures data by converting it into a format that can only be read by someone with the proper decryption key, thus protecting sensitive information while it is being transmitted. Compression reduces the size of data to optimize bandwidth and improve transfer efficiency. By managing these tasks, the Presentation Layer effectively ensures that data is in a format suitable for the application layer above, while also maintaining security and efficiency during the transport of that data through the network. The Layer's role emphasizes the importance of preparing data for the application processes and ensuring that applications can interoperate correctly across different systems.