Which code segment results in "true" being returned if a number is even? Replace "MISSING CONDITION" with the correct code segment. function isEven(num){
if(MISSING CONDITION){
return true;
} else {
return false;
}
}

A. num % 2 == 0;
B. num % 0 == 2;
C. num % 1 == 0;
D. num % 1 == 2;

Determine whether the following careers would require training or college.

The salespeople at hyperactive media sales all use laptop computers so they can take data with them on the road. you are a salesperson for superduper lightspeed computers talking to hyperactive media sales about upgrading the laptops to windows 10. explain how network location awareness in windows 10 would make the laptops more secure.

Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?