多选题Which three statements describe the Transmission Control Protocol (TCP)?（）ATCP is a transport layer protocol.BTCP is faster than the User Datagram Protocol (UDP).CTCP provides delivery notification and error checking mechanisms.DTCP uses a best effort delivery approach.ETCP application examples include HTTP and SMTP.
多选题
Which three statements describe the Transmission Control Protocol (TCP)?（）
A
TCP is a transport layer protocol.
B
TCP is faster than the User Datagram Protocol (UDP).
C
TCP provides delivery notification and error checking mechanisms.
D
TCP uses a best effort delivery approach.
E
TCP application examples include HTTP and SMTP.
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