Here’s the Answer to the Question posted on Facebook
Q. You need to install memory in the four memory slots shown in the following figure.
A. It doesn’t matter because all four slots will be occupied.
B. Install one pair in the blue slots (slots 1 and 2) and one pair in the black slots (slots 3 and 4).
C. Install one pair in slots 1 and 3 (one blue slot and one black slot) and one pair in the slots 2 and 4 (one blue slot and one black slot).
D. Install both pairs in the blue slots.
Answer available until June 29, 2015.
See Chapter 3 of the CompTIA A+ Training Kit (ISBN 978-0735662681) by Darril Gibson.