Secrets of 4-4-2 classic!

[The Red Baron]

What is the real secret of 4-4-2???
What is the weakness of 4-4-2???
Should a well-balance team use 4-4-2??? or wing-forrce or spierce middle???
Is it a attacking formation or defendin or just balance???

And...... WHAT IS THE COUNTER FORMATION TACTIC OF "4-4-2 CLASSIC" ???

Please post here, all about 4-4-2classic.
Looking forward to loads of experianced managers' reply!!!

I have played 4-4-2 classic 7 times so far this season out of 11 games , and won every game. My opponents have varied in quality from -5 quality points below me to +7 quality points above me. In those games i have scored 24 goals and conceded only 1 .....my counter....'the butterfly'.........ideal solution if you look at it.........let you guys work out the orders.......and arrows .....if any