The feature that enables you to apply predefined styles to major headings, banners, or other text elements is known as ________

A _______________ router determines whether to allow or deny packets based on their source and destination IP addresses.

Fill in the blank(s) with the appropriate word(s).

Write a function that counts the occurrences of each digit in the string using the following header:

int * count(const string &s) This function returns the counts as an array of 10 elements. For example, after invoking int counts[] = count("2312ABcaB2") counts[0] is 0, counts[1] is 1, and counts[2] is 3, etc.