TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What happens if part of an FTP message is not delivered to the destination?
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The message is lost because FTP does not use a reliable delivery method.
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The FTP source host sends a query to the destination host.
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The part of the FTP message that was lost is re-sent.
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The entire FTP message is re-sent.
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Explanation:
Detailed explanation-1: -Destination devices receive traffic with minimal delay. Received data is unacknowledged. What happens if part of an FTP message is not delivered to the destination? The message is lost because FTP does not use a reliable delivery method.
Detailed explanation-2: -Both UDP and TCP carry port number information in their headers. Both protocols also provide for a checksum field to assure data integrity, although it is sometimes not used by UDP. Finally, both TCP and UDP headers have a length field, which prevents incorrect or runt segments from circulating through the network.
Detailed explanation-3: -FTP and HTTP require the use of the TCP transport layer protocol.
There is 1 question to complete.