Title: Describe devices in a network environment and their place in the OSI model.
Course: Computer Network Software Operations (10109-I) > Section: Understanding Networking Standards and Models

Description should include

- elements of a network environment
- explanation of each device’s role and placement in the OSI model
- types of switches
  - switch access
  - switch management
  - virtual LAN
  - trunking
  - Spanning Tree Protocol (STP)

- routers
  - routing basics
  - routing protocols
  - network address translation
  - routing optimization

- firewalls
  - security appliances
  - firewall design and implementation.