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1 COMPUTER NETWORKING MCQS

Which file format conversions are typically handled at the Presentation Layer?

  • MP3 to WAV
  • .zip to .rar
  • JPEG to PNG
  • All of the above
Correct Answer: D. All of the above

Detailed Explanation

The Presentation Layer of the OSI model plays a key role in data translation, which includes converting file formats to ensure compatibility between different systems.

This layer ensures that the data sent from one system can be understood and properly displayed or processed by another, regardless of their internal data representations.



File format conversions handled at the Presentation Layer include:



  • MP3 to WAV: Audio format conversion that ensures compatibility across different media players.

  • .zip to .rar: Compression and decompression of files, which is useful for reducing size during transfer and making files easier to manage.

  • JPEG to PNG: Image format conversions to match the capabilities or preferences of applications on the receiving end.



These conversions are essential in a network environment where data might need to be transformed into different formats to meet the requirements of various applications or devices.



Key functions of the Presentation Layer:



  • Translates data formats between sender and receiver

  • Handles data compression and decompression

  • Manages data encryption and decryption



Conclusion: The correct answer is All of the above. The Presentation Layer handles all types of format conversions—audio, image, and compression formats—ensuring smooth and accurate data communication between devices.

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