Modern technology is increasingly characterized by the interconnectivity of our devices. This means that to keep pace with this progress and provide consistent and effective support, it is imperative that IT professionals have a working knowledge of networking concepts ranging from IP addresses to the different types of wireless networks.

You will need to know what ports different applications use in order to open those ports on the firewall and allow them to communicate. IT administrators also need to know how to troubleshoot issues when users cannot connect to the network, whether the source of the problem is a DNS or IP error. Wireless networks are a common part of everyday life, and it is vital that you have the ...

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