To prevent collisions.
It is prevent all connected network cards sending at the same time.
it prevents the collision between the data that is sended by the network cards over ethernet networks
CSMA/CD: Carrier Sense Multiple Access / Collision Detection.
10BaseT
1.All frames are transmitted on all Ethernet segments 2. shared medium networks use CSMA/CD to access the medium
Wireless networks use the CSMA/CA access method, which is less secure than CSMA/CD.**Edit** The above information is not relevent to how secure a network is. It is however relevant to certain topologies in the infastructure of a network**The correct answer is… Wireless networks transmit data over the open space.The above answer is correct.However, if properly secured a wireless network is much much stronger than one might think.I am a no0b here so if I did anythingincorrect in revising or adding to this post I apologize and encourage an Admin to message me and set me straight. Thank you.Teddy LammMCSE Security SpecialistMCSA Security SpecialistCCNAA+/Network+/Security+Proof:This item references content from the following areas:CCNA Exploration: LAN Switching and Wireless7.2.1 Threats to Wireless SecurityWhy are wireless LAN networks more vulnerable than wired Ethernet networks?Wireless network bandwidth is much slower.Wireless networks transmit data over the open space.Wireless signals share the same RF frequencies as household devices.Wireless networks use the CSMA/CA access method, which is less secure than CSMA/CD.Observable Description Max Value Earned Value2 points for 'Option 2'0 points for any other optionTaken from the cisco netacad site, of which I am a member.
CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance)
Csma/ca
look up CSMA/CD.... these days each node can talk whenever it wants thanks to full duplex communication.
Csma/cd
csma
IP, appletalk, token ring, CSMA/CD, CSMA/CA