For what reason does the network-layer protocol need that the transport layer provide a packetizing service? Why is it that the transport layer is unable to send out segments without enclosing them in datagrams

For what reason does the network-layer protocol need that the transport layer provide a packetizing service? Why is it that the transport layer is unable to send out segments without enclosing them in datagrams

Principles of Information Security (MindTap Course List)

6th Edition

ISBN:9781337102063

Author:Michael E. Whitman, Herbert J. Mattord

Publisher:Michael E. Whitman, Herbert J. Mattord

Chapter6: Security Technology: Access Controls, Firewalls, And Vpns

Section: Chapter Questions

Problem 2RQ

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For what reason does the network-layer protocol need that the transport layer offer a packetizing service? Why is it that the transport layer is unable to send out segments without enclosing them in datagrams?
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