What is the default bandwidth of a serial connection?
A.) 1200 baud
B.) 1.544 Mbps (T1)
C.) 10 Mbps
D.) 96Kpbs
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while trouble shooting a network conectivty prob a technician observes that steady link light on the both work stations nic and the switch port which the workstation is conected.however when the ping comand is issuede from the work station the out message is request time out at which layer of osi model does the prob most likly exist 1 sessiom layer protocol layer datalink kayer acess layer network layer application layer i have ansered n/w layer but i am niot sure i have also posted privous question jitendera kumar sinha
CCNA 
