This 3-day workshop is for those who hold the 528 Computer Science Teacher Certification, 5016 Computer Science Approval Code, or 5014 Computer Science Approval Code and are comfortable with using computers. This workshop will begin with a refresher on the basics of TCP/IP configuration, i.e. IP addresses, subnet masks, default gateways, and what these terms represent. Following this introduction, attendees will be presented the basics of network protocols such as TCP via packet capture. The workshop will cover the OSI model, particularly the operation of Layer 2 network technologies including switching and Ethernet and the fundamentals of routing at Layer 3. The operation of common network services such as DHCP will also be presented. Please have available: A Windows or Mac Laptop, no Chromebooks. Installing Cisco Packet Tracer (https://www.netacad.com/courses/packet-tracer) and Wireshark (https://www.wireshark.org/download.html) beforehand is recommended. For questions contact CSforAR@arkansas.gov