You should make sure that it covers the information of both parties (i.e., it's mutual and not one-way), and that the term is long enough to protect your IP (3-5 years might be standard; some large companies want shorter terms to shorten their liability window).
Enforcement would be a suit for damages or, in certain cases, injunctive relief that would allow the disclosing party to bring a claim to a judge asking for an injunction that would force the receiving party to do/stop doing whatever it was that violated the NDA.
Hope that helps!