ccna 7.0 concept. wooden blocks labeled ccna 7.0 cisco certified network associate and program code in the background.

ccna concept wooden blocks labeled cisco certified network associate program code background specialist computer connection cable data communication technology datacenter electronic internet router fiber plug optic switch broadband ethernet server hub patch business panel telecommunication provider rack wire fibre net hardware tech high connector closeup information laser link speed transmit computing infrastructure commerce fast room bone industrial office fiberglass