Part IV — Enterprise Campus Networks

Chapter 10

Switches, Routers, and Firewalls

Domain 4 Lab 5

📖 Key Topics Covered

  • Switches, Routers, and
  • Network Switches
  • Switch Types
  • USE CASE
  • Full configuration via CLI/GUI
  • Enterprise networks, security‐conscious
  • VLANs (Virtual Local Area Networks)
  • Why VLANs Matter for Security
  • Switch> enable
  • Switch# configure terminal
  • Switch(config)# vlan 10
  • Switch(config-vlan)# name HR_Department
  • Switch(config-vlan)# exit
  • Switch(config)# vlan 20
  • Switch(config-vlan)# name Engineering

🔑 Key Terms

Compliance Containment DMZ (Demilitarized Zone) DMZ (for public services) DMZ (semi‐trusted) Firewalls Firewalls MAC (Media Access Control) Network Switches Switches Performance Segmentation

See the full definitions in the Glossary and test yourself with Flashcards.

Assessment Tips

💡 Assessment Tip

Understand the DMZ concept: public‐facing servers go in the DMZ, not on the internal network. The firewall has three zones: External (untrusted internet), DMZ (semi‐trusted), and Internal (trusted). Traffic rules should allow internet → DMZ (for publ

🧪 Hands-On Lab

This chapter includes Lab 5 in Appendix E. View lab setup guide →