What type of rotation(s) will occur after searching for 31 i…

What type of rotation(s) will occur after searching for 31 in the following Splay Tree?                             5                         /       \                      0            70                                  /      \                              43       1000                           /                      31 Select all that apply:

What is the greatest number of unique keys a perfect B+ Tree…

What is the greatest number of unique keys a perfect B+ Tree with n=4, l=40 and height=2 (has levels 0, 1, 2) can have (Assume unique values are inserted)? Assume 0 based height. A tree with a single root node has a height = 0. n = maximum children a node can have l = maximum keys a leaf node can have