What is not one of the items defined by the control components of OpenStack?

Write a program in a class CharacterFrequency that counts the number of times a digit appears in a telephone number. Your program should create an array of size 10 that will hold the count for each digit from 0 to 9. Read a telephone number from the keyboard as a string. Examine each character in the phone number and increment the appropriate count in the array. Display the contents of the array.

What will be an ideal response?

Define the Document Root default setting for a Web server in Apache.

What will be an ideal response?