How does information get passed from one layer to the next in the Internet model? If the data link layer can detect errors between hops, why do you think we need another checking mechanism at the transport layer?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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How does information get passed from one layer to the next in the Internet
model?
If the data link layer can detect errors between hops, why do you think we need
another checking mechanism at the transport layer?

How does information get passed from one layer to the next in the Internet
model?
If the data link layer can detect errors between hops, why do you think we need
another checking mechanism at the transport layer?
Transcribed Image Text:How does information get passed from one layer to the next in the Internet model? If the data link layer can detect errors between hops, why do you think we need another checking mechanism at the transport layer?
Dialog control and synchronization are two responsibilities of the session layer in
the OSI model. Which layer do you think is responsible for these duties in the
Internet model? Explain your answer.
Translation, encryption, and compression are some of the duties of the presentation
layer in the OSI model. Which layer do you think is responsible for these duties in
the Internet model? Explain your answer.
Transcribed Image Text:Dialog control and synchronization are two responsibilities of the session layer in the OSI model. Which layer do you think is responsible for these duties in the Internet model? Explain your answer. Translation, encryption, and compression are some of the duties of the presentation layer in the OSI model. Which layer do you think is responsible for these duties in the Internet model? Explain your answer.
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