Which of the following class members should usually be private?

Which of the following devices is used to distribute network traffic equally over multiple links?

A. Content filter B. DNS server C. Load balancer D. Proxy server

In function apart defined below, how many of the parameters are considered input parameters?

``` void apart(double x, int *wholep, double *fracp) { *wholep = (int)x; *fracp = x - *wholep; } ``` a. 0 b. 1 c. 2 d. 3 e. all