Yes, you can. But, you are not guranteed. If you are unhappy with what you are assigned, you may ask to have it changed.
Mary Lou Scanlon
NCL Pride of America April 24, 2010
NCL Epic February 12, 2011
RCCL Allure of the Seas - September 18, 2011
Celebrity Eclipse - February 11, 2012:
RCCL Navigator OTS - February 9, 2013
I was told a table for two would be difficult, so I didn't bother reguesting on my recent cruise. However, there were four tables for two in the aisle right in a row by our table that were never used the entire cruise.
Yes, but it pays to make a dash to the dining room the moment you board and reconfirm your request. Lots of folks are signing up for tables and you stand an excellent chance of getting what you want if you get there early.