What is 2 tier and 3 tier?

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What is 2 tier and 3 tier?..

Answer / hussain

Tier means a 'layer'.
In two tier there is only user intrface & back-end.
In three tier there are user intrface , back-end & one
specific system between them.

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What is 2 tier and 3 tier?..

Answer / rajesh pagi

for an example you can refer the seas available in Railway
train...there are 2 and 3 tier is available.

Is This Answer Correct ?    1 Yes 4 No

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