Which OSI layer provides mechanical, electrical, procedural for
activating, maintaining physical link?
A.) Presentation
B.) Network
C.) Application
D.) Physical
E.) Transport
F.) Data-Link
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Answer: D
Layer 1 the Physical layer performs this function.
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hi im ccna certified im searching 4 job in networking domain can any guide wats the rite way of job approach ,wat r the rite sites for searching job im eagerly 4 ur replies
hi all.. can any one explain the complete topology of stp and rstp how it works . root swtch connects to a root port and then root port conenct to other switchs designated port. i was going thru his site http://www.cisco.com/en/US/tech/tk389/tk621/technologies_whi te_paper09186a0080094cfa.shtml in which DR also exist on root switch only which makes my understanding grim.I had a diff notion of stp all together. please post asap. and if possible refer a url so thst i can read it my self .. thanks