6.3.2.2. Lab 2: Command Line Fundamentals

6.3.2.2. Lab 2: Command Line Fundamentals (45 minutes)

Objective: Execute essential networking and system commands.

Setup: Windows computer with admin access

Network Commands:

REM View your IP configuration
ipconfig /all

REM Release and renew DHCP address
ipconfig /release
ipconfig /renew

REM View DNS cache, then clear it
ipconfig /displaydns
ipconfig /flushdns

REM Test connectivity
ping 8.8.8.8
ping google.com

REM Trace the route to a destination
tracert google.com

REM View network statistics and connections
netstat -an

REM Lookup DNS records
nslookup google.com

System Commands:

REM Check and repair system files (run as Admin)
sfc /scannow

REM Check disk for errors (run as Admin)
chkdsk C: /F

REM View system information
systeminfo

REM View running tasks
tasklist

REM View and modify environment variables
set

Challenge: Write down what each command does and when you would use it in troubleshooting.