Which of the following protocols is a transport layer protocol that uses a three-way handshake to establish a connection before transmitting any data?
SNMP
DHCP
SSH
TCP
Transmission Control Protocol (TCP) is known for its connection-establishing process, commonly referred to as the "three-way handshake". This process creates a reliable, connection-oriented session between two devices before any data is sent. TCP ensures that data is transmitted in sequence and without errors. The other protocols listed are application-layer protocols. SNMP and DHCP typically use the connectionless User Datagram Protocol (UDP) for transmission, which does not provide the same reliability guarantees. While SSH uses TCP to create a secure connection, SSH itself is an application layer protocol; TCP is the underlying transport layer protocol that performs the three-way handshake to establish the connection.
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