physical layer...........hub, connecting devices datalink layer...........

describe the various connectivity devices that operate at
the various layers of the OSI MODEL. also state the
challenges an admnistrator faces while using these devices

Question Posted / shamim alam

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Answer Posted / shamim alam

physical layer...........hub, connecting devices
datalink layer...........switch
network layer............router,ip,arp,rarp,icmp
transport layer..........tcp,udp
applicatin layer..........ftp,smtp,tftp,pop,dns

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