Skills Tested
You are shadowing a network engineer who is troubleshooting connectivity between two devices.
They want to confirm you understand:
Before allowing you to assist with real troubleshooting, you must analyze how data travels through the network and explain what is happening at each step.
Host A
Sends application data
Switch A
Forwards frames within LAN
Router A
Forwards packets between networks
Internet
Collection of interconnected networks
Router B
Forwards packets between networks
Switch B
Forwards frames within LAN
Host B
Receives and decapsulates data
How many layers are in the OSI model?
Lessons Reinforced