What is a function of a reliable transport layer connection?
A. route selection
B. acknowledgements
C. session checkpoints
D. system authentication
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Answer / suman reddy kancharla
B. acknowledgements
This layer can overcome any lack of reliabilty in the lower
level protocols. It is achieved using acknowledgement
message that informs the sender that the data was
successfully received.
Route selection is done in Network layer.
session checkpoints are done in Session layers.
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CCNA 
