What are three characteristics of the TCP protocol? (Choose three.)

What are three characteristics of the TCP protocol? (Choose three.)
A . It uses a single SYN-ACK message to establish a connection.
B . The connection is established before data is transmitted.
C . It ensures that all data is transmitted and received by the remote device.
D . It supports significantly higher transmission speeds than UD
F . It requires applications to determine when data packets must be retransmitted.
G . It uses separate SYN and ACK messages to establish a connection.

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Answer: BCF