Which of the following provide correct information about a protocol at the transport layer of the OSI model?
A.) UDP – Provides Connectionless datagrams service B.) TCP – Provides Connection Oriented Services C.) SMTP – Provides Mail Exchange D.) IP – Route determination E.) TCP – Provides Flow Control and Error Checking F.) FTP – Transfers of Files Ans A B E Only TCP and UDP work at the Transport layer of the above choices. IP is a Network layer protocol. SMTP and FTP are application layer protocols.
