Section 400 Has 17 Rows of Seats
Section 400 has a total of 17 rows of reserved seating running from Row A at the front, to Row Q in the back. If you are sitting in one of these reserved seating rows, you will have dedicated seat and will not need to stand in a general admission area.
Most Standing Room Only is on the 100 Level
Most standing room only areas at the Verizon Center are located at the top of the 100 level sections, but are often only sold for Capitals games.