CCNA Subnet Mask and Subnetting
Hi, My name is Ramanathan and I'm from Malaysia. I have been take CCNA course 640-802 last year. That is first time I take the CCNA and it's only short course. Now I need your help. Can you explain what is subnet mask and subnetting? Can tell me the basic subnet mask and subnetting and also can you tell step by step regarding subnet mask and subnetting? And also please tell what is slash notation and prefix in subnetting? Actually I cant understand the subnetting and only understand subnet mask which describe: subnet mask is used to identify which part is host part and network part and to identify the part, logical operating that is Binary ANDing is used.