Anything related to a networking will be more focus to find out if your wires are ok, if the router it’s ok if the connection on your network has no issues

Main piece is the modem router you get from your internet provider, this is the key to have internet and share the connection to all your network, from there we allow to use repeaters, switches, extender, share point, hot spot and more

Network switch

Will work 24/7 consuming power and managing all the computers connections sharing and supplying the internet and network communication wit the time this devices may fail and affect the regular work in the office or house network, the led lights not always will mean it work perfect 🙂 most of the times, we recommend to replace them in 3 to 5 years for security 🙂