Hubs in Hindi, CCNA in Hindi

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Hubs
, इस tutorial Hubs Hubs layer 1 device
Hubs स suggest OSI model
इस CCNA in Hindi : OSI model स
Outline
 Introduction to hubs in Hindi
 Working of hubs in Hindi
 CSMA/CD in hubs in Hindi
 Collision domain in Hindi
Introduction to hubs
Hubs repeaters layer 1 device Hubs computer
communicate स Hubs intelligent Hubs
logical औ physical address base forward स

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Working of hubs
host frame send hub उस स ports forward
Hubs frame type अ अ frame uni-cast
multicast broadcast Hubs स स ports forward
hub frame स ports frame receive
स MAC address frame destination MAC address field स
CSMA/CD (Carrier Sense Multiple Access with Collision
Detection)
Hubs half duplex communication perform host send
स receive स स स
इस hub frames host frame send
स host उस स frame स इस collision

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Collision स technique स CSMA/CD (Carrier
Sense Multiple Access with Collision Detection) इस technique
host send स link
signal host wait host अ
frame स
collision frame send hosts frames
frames destroy औ hosts jam signal send
hosts wait hosts waiting time अ अ
host स frame स स 10 second wait
स host 15 second wait collision
Collision domain
hub स connected 2 device स frames send collision
इस hub स connected स devices collision domain अ
Hubs single collision domain represent

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