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#Ace Test

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we have to see the highest layers present...

in ROUTERS...we have PL,DLL and NL...
in SWITCH..we have PL and DLL
in REPEATERS...only PL is there
in BRIDGES..we have PL and DLL

NO ONE contains "tansport layer"...it is present only in firewall...so no option is correct here...

NOTE:please dont solve ace test series...their questions and answers are not trustworthy...
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