By submitting which variable can Facebook Applications use cross-domain scripting when authenticating the auth token?

What does the parameter sig mean?

Which error messages are associated only with FQL?

What does the parameter skipcookie mean?

Which is not an FQL table?

What will happen if you execute the following FQL query? SELECT eid, name, location FROM event WHERE eid IN (SELECT eid FROM event_member)

Which method can be used to return a set of gids associated with uids?

Which FQL method is similar to the following query? SELECT eid, name, tagline, nid, pic, pic_big, pic_small, host, description, event_type, event_subtype, start_time, end_time, creator, update_time, location, venue FROM event WHERE eid IN (SELECT eid FROM event_member WHERE uid=uid AND rsvp_status=rsvp_status) AND eid IN (eids) AND end_time >= start_time AND start_time < end_time

Which error messages is not associated only with the feed.publishTemplatizedAction method?

Which is the two most important pieces of information that must be added to every page of your application?

Which prefix distinguish between HTML and FBML commands?