Compare TCP to UDP. This helps to understand the fundamental differences between the two primary data-carrying mechanisms used in networks today.
- [Instructor] TCP and UDP utilize the two connection types, … connection oriented and connectionless. … TCP is considered connection oriented. … This means, it uses a system … to provide reliable delivery of traffic. … TCP utilizes a system known as three way handshake … to establish connections. … Before a connection is considered established, … both hosts need to send and receive a SYN packet … and an ACK packet. … Technically, this could be four separate messages … but one of these transmissions can include … both a SYN and an ACK, thus we have a three way handshake. … The client host will initiate the interaction to the server … by sending a SYN Packet. … The client then waits for a response. … The server responds to the client by sending SYN ACK packet. … The client then completes the handshake by returning an ACK. … The ACK packet is part of … the positive acknowledgment system of TCP. … Once enough information is sent, … TCP will wait for an ACK or acknowledgment. … The amount of information that can be sent …
Note: A complete overview of the exam and registration instructions can be found at https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccna-200-301.html.
- Network models
- Network components
- Troubleshooting the interface and cable issues
- Configuring IPv4 and IPv6 addressing
- Switching concepts
- Switching configuration
- Wireless architectures
- Wireless security
Skill Level Intermediate
Networking Foundations: IP Addressingwith Timothy Pintello2h 35m Intermediate
1. Network Fundamentals
2. Network Access
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