How or what should you do to install a curved structure server board?

A.
Tightening the screws from the center of the board and work your way to the edges.

B.
You should use place plastic spacers between the board and the appropriate mounting points.

C.
Tightening the screws from the edges.

D.
None of the above.

Explanation:
When mounting such a board, it might be necessary to place plastic spacers between the board and the appropriate mounting points to prevent further bending.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 251-273.