Using a camera's built-in microphone or an external microphone produces the same quality audio.

What is the first step in figuring out the usable range of addresses in a subnet?

A) To calculate the number of subnets that is allowed by the configured mask B) To calculate the subnet address and the broadcast address C) To calculate the subnet multicast address D) To calculate the number of subnets that is allowed by the configured address

What is sum after the following loop terminates?

``` int sum = 0; int item = 0; do { item++; sum += item; if (sum > 4) break; } while (item < 5); ``` A. 7 B. 8 C. 6 D. 5