من قبل
Nidal AlSafadi , Core Network Administrator , ISP for Internet and Telecommunication Services
You need to learn the concepts of Network Layers and Protocols which lead you to be able to configure any network device " Router - Switch " for any vendor with some limitation ..You can go through studying CCNA, Network+. Use CBT Nuggets or INE training videos courses and eBooks for each cocurse.
Good Luck
