1) why we need to divide Ethernet network

2) what suitable device to be used when 2 network created

Google my friend

Do you have any idea of what the answers may be so at the very least you can say that you tried?

This site is about collaboration; its not about doing your homework, assignments or exams.

There are plenty of people here willing to help you if you at least attempt to do it on your own.

Another student who left it last minute

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