The document summarizes key concepts about the TCP/IP transport and application layers: 1) The transport layer provides five basic services: segmenting data, establishing end-to-end operations, transporting segments, ensuring data reliability, and providing flow control. 2) TCP uses a three-way handshake for connection establishment and positive acknowledgment with sequence numbers to ensure reliability. 3) Common transport layer protocols are TCP and UDP, with TCP being connection-oriented and reliable while UDP is connectionless. 4) The application layer defines protocols for functions like DNS, FTP, HTTP, SMTP, and Telnet.

1. CCNA 1 v3.0 Module 11 TCP/IP Transport and Application Layers .

3. Reliability

7. Three-Way Handshake

11. TCP Sequence and Acknowledgment

13. TCP Segment Format

15. UDP Segment Format

17. TCP and UDP Port Numbers

18. TCP/IP Application Layer

19. Introduction to Application Layer

24. HTTP

27. Telnet uses TCP thence is connection oriented.