Networking Layers: Presentation Layer Responsibilities
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Questions and Answers

What is the main concern of the presentation layer in data communication?

  • Logical addressing
  • Process-to-process delivery
  • Routing
  • Syntax and semantics of exchanged information (correct)

    • What is one specific responsibility of the presentation layer?

  • Routing
  • Process-to-process delivery
  • Translation of information into bit streams (correct)
  • Encryption

    • Which layer is responsible for changing information from sender-dependent format to a common format?

  • Transport layer
  • Presentation layer (correct)
  • Data link layer
  • Network layer

    • What is the purpose of encryption in data communication?

    <p>To ensure privacy of sensitive information</p> Signup and view all the answers

    Which process reverses the encryption process in data communication?

    <p>Decryption</p> Signup and view all the answers

    For successful interoperability between different systems, which layer is responsible for handling different encoding methods?

    <p>Presentation layer</p> Signup and view all the answers

    What is one of the key features of SCTP that distinguishes it from TCP?

    <p>Process-to-process communication</p> Signup and view all the answers

    What functionality does SMTP serve in the context of email delivery?

    <p>Handling delivery between email servers</p> Signup and view all the answers

    How does SCTP handle data integrity and reliability?

    <p>Detects lost data and duplicate data</p> Signup and view all the answers

    What is the purpose of FTP in the TCP/IP suite?

    <p>Copying files from one host to another</p> Signup and view all the answers

    In SCTP, what does multi-homing refer to?

    <p>Defining multiple IP addresses for an association</p> Signup and view all the answers

    How does SCTP differ from TCP in terms of message boundaries?

    <p>Preserves message boundaries and detects lost, duplicate, or out-of-order data</p> Signup and view all the answers

    What is the responsibility of the network layer?

    <p>Routing or switching packets to their final destination</p> Signup and view all the answers

    Which layer ensures that the whole message arrives intact and in order?

    <p>Transport layer</p> Signup and view all the answers

    What is service-point addressing responsible for?

    <p>Delivery from a specific process on one computer to another specific process on a different computer</p> Signup and view all the answers

    In process-to-process delivery, what is considered an application program running on a host?

    <p>Process</p> Signup and view all the answers

    What does the transport layer oversee in terms of control?

    <p>Flow control at the source-to-destination level</p> Signup and view all the answers

    Which layer treats each packet independently, as though each piece belonged to a separate message?

    <p>Network layer</p> Signup and view all the answers

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