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3 votes
1 answer
1k views

What is persistent connection and session

There is one thing I still cannot understand is persistent connection and sessions. I will explain how I understand all network stuff. Physical layer . This is just voltage levels going through ...
ketazafor's user avatar
  • 133
1 vote
1 answer
1k views

How to calculate the data rate in 802.11g? [closed]

I know this is not the community to discuss my homework problem but I cam confused because I cannot find a formula that can find data rate for 802.11g standard given modulation, coding rate and ...
ds459's user avatar
  • 353