Review difference between bandwidth and throughput
Bandwidth is theoretical maximum whereas throughput is the an actual measurement of how much data can be transmitted through a network in a given time-frame.
Review differences between crossover cables vs straight-through cables and where they would be used in switching, NICs, etc
Review SNMP
An enterprise network’s end users are the most vulnerable attack vector. Studies show that an investment in end-user cybersecurity awareness training is the best return on investment of any risk mitigation strategy.