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Hi,
I'm learning Network for recive CISCO certification (CCNA1)... If someone can help me, because course is sometime difficult, and I've to study it in English (I'm italian)... Now I'm studing TCP/IP protocol and OSI protocol...
I've to understand layer... Someone can help me?

Thanks

glimmy

I have taken CCNA 1&2 and know a few things, but they changed a lot of the course material, and I don't know any Italian.

For the OSI Layers, the best approach would be to create a sort of memory aid. In my class, we made a phrase where each word shared a common first letter with the layer.

For example, my personal phrase was:
which relates to the layers from first to last:
TCP/IP is only 4 layers, but I didn't focus on it a lot when I took the course.

Data encapsulation is more difficult, and I can't think of any ways to memorize it other than studying a chart, but if you remember the order that the data is converted, then it is much easier to remember which layers each data type is in.