Cisco CCNA Certification
When you're studying to pass the CCNA examination and make your certification, you're presented to a great many terms that are either completely new to you or seem familiar, but you're not rather sure what they are. The term "collision domain" falls into the latter category for many CCNA candidates.What precisely is" clashing "in the very first place, and why do we care? It's the information that is being sent onto an Ethernet segment that we're concerned with here. Ethernet uses Provider Sense Multiple Gain Access To/ Accident Detection (CSMA/CD) to avoid collisions in the very first location. CSMA/CD is a set of guidelines determining when hosts on an Ethernet section can and can not send information. Essentially, a host that wants to send information will "listen" to the ethernet sector to see if another host is presently transmitting. If nobody else is transmitting, the host will go forward with its own transmission.This is a reliab...