I think your questioning is very specific but you should find the one or two websites that cover all the basics.
The truth, at least from my perspective of having fought against and fought as a few times, is
BT can not really do
cc. They really ought to be able to according to how the codex is written and the fluff, but they can not.
Going through the whole codex the only unit I would trust in
cc would be furious charge termies.
However all is not lost. The troops make good
MSU army, I always feel 5 men in a lasback is the best option. Furthermore the support can shoot like anything. You cheap typhoons, preds, vindis-not my first choice, though people love 'em, tank hunter double assault cannon or double
CML 5 man termy squads.
Teach Tau how to shoot. Good luck

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