What part of study don't you understand? First take all the listed network utilities and make sure you understand what it is , what is does, when you would use it and why.
obj. 4.3 - What are the LEDs on a NIC?
Use the steps outlined in obj. 4.9 in conjunction with the network utilities listed in obj. 4.1 and apply them to the scenerios of the other objectives.
A+,N+,S+,L+,I+,HTI+,e-Biz+,Security+,CETma,CFOT,CCNT,CCTT,ACSP,ISA CCST3