Aside from the questions (1) Who will monitor, and (2) Any exceptions allowed, we have the much more important question, (3) WIll Israel pay any penalties if they completely disregard the freeze? Normally, in this kind of situation, Israel will promise a freeze and then double construction. It is nothing new.
Taliban attack police HQ in Kunduz (AP)
from the article: Netanyahu declares 10-month settlement freeze 'to restart peace talks'