What do you understand by wireless security and explain the types of wireless security.

Are special characters that allow you to search for multiple words at the same time.

Awell-diversified portfolio needs about 20-25 stocks from different categories is this true or false?

The initial tableau of a linear programming problem is given. use the simplex method to solve it. x 1 x 2 x 3 s 1 s 2 z 1 2 4 1 0 0 8 3 4 1 0 1 0 10 minus3 minus12 1 0 0 1 0 the maximum is nothing when x 1equals nothing, x 2equals nothing, x 3equals nothing, s 1equals3, and s 2equals0. (be sure to simplify to lowest terms if necessary.)