Router basics - What is Packet Tracer- Free CCNA training

Router basics - What is Packet Tracer- Free CCNA training What is OSI model ( Hindi ) - Free CCNA training - part 1 Facebook page : https://www.facebook.com/networkkingss Our blog: www.networkkings.org Need full CCNA training : http://networkkings.org/fee-structure/ OSI model part 2 : https://www.youtube.com/watch? v=lKCpAzej11E

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