Amazon Web Services Cloud Support Engineer Interview Questions, Process, and Tips

TCP flags are control bits used in TCP header to indicate various connection states and control functions.

• Some common TCP flags include SYN (synchronize), ACK (acknowledge), FIN (finish), RST (reset), PSH (push), and URG (urgent)

• These flags are used to establish connections, acknowledge data receipt, terminate connections, and control data flow

• For example, SYN flag is used to initiate a connection, ACK flag is used to ...read more

TCP works at the transport layer of the OSI model.

• TCP stands for Transmission Control Protocol.

• It operates at Layer 4 of the OSI model, the transport layer.

• TCP provides reliable, ordered, and error-checked delivery of data between applications.

• Examples of protocols that use TCP include HTTP, FTP, and SMTP.