Using a binary search, what is the maximum number of comparisons required to find a search key in a 31-element sorted array?

A(n) ________ is a note, annotation, or additional information to the author or other readers about the content of a document

Fill in the blank(s) with correct word

QoS operates at which of the following OSI model layers? (Select TWO)

A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5