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Networking and Firewalling Conner Steenrod

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Page 1: Networking and Firewalling - GitHub Pages

Networking and Firewalling

Conner Steenrod

Page 2: Networking and Firewalling - GitHub Pages

The Agenda

● What is networking● Why we need network engineers● What is firewalling● Why we firewall● Networking in the real world● Questions

Page 3: Networking and Firewalling - GitHub Pages

What is Networking?

Page 4: Networking and Firewalling - GitHub Pages
Page 5: Networking and Firewalling - GitHub Pages

Layer 1 and 2

Page 6: Networking and Firewalling - GitHub Pages

LAN, WAN, VLAN, VPN

Page 7: Networking and Firewalling - GitHub Pages

Layer 3

Page 8: Networking and Firewalling - GitHub Pages

What is a firewall?

Page 9: Networking and Firewalling - GitHub Pages

Packets

Page 10: Networking and Firewalling - GitHub Pages

Other Firewall Jobs

● DHCP● DNS Resolver● Sometimes Routing and NATing

Page 11: Networking and Firewalling - GitHub Pages

Switches

Page 12: Networking and Firewalling - GitHub Pages

Routing

Page 13: Networking and Firewalling - GitHub Pages

Questions?


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