The SMTP protocol is used for which of the following functions?
a. Identifying the correct mailbox in a mail server for the delivery of a message
b. Moving a message from the client application to the target email server
c. Formatting text or supporting graphics within an email message
d. Filtering spam messages from a user's inbox
b.
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Write a program that will read a line of text that ends with a period, which serves as a sentinel value. Display all the letters that occur in the text, one per line and in alphabetical order, along with the number of times each letter occurs in the text. Use an array of base type int of length 26, so that the element at index 0 contains the number of a’s, the element at index 1 contains the number of b’s, and so forth. Allow both uppercase and lowercase letters as input, but treat uppercase and lowercase versions of the same letter as being equal. Hints: Use one of the methods toUpperCase or toLowerCase in the wrapper class Character, described in Chapter 6. You will find it helpful to define a method that takes a character as an argument and returns an int value that is the correct index
This project is a bit challenging to get the loop conditions right. The objective is to keep the array index within bounds and count only letters. Another little problem is how to get the printable character code from the array index after the letter counts have been determined. The "trick" is to know that adding 65 decimal to the array index will produce the ASCII code for the character.
Identify the letter of the choice that best matches the phrase or definition.
A. The area where data pages from the database are stored to minimize the need to read and write from the database file located on the hard disk B. An RDBMS developed by Microsoft to provide a fast, secure, and scalable data access platform C. A broad term that refers to the background processes and structured memory used during interaction with the database D. An RDBMS that is well known for being portable, its ability to run on almost any operating system, and its dominant role in providing solutions on which businesses rely to achieve their core competencies E. A system that is meant to handle cash register or sales transactions. F. A set of instructions that is executed by the operation system and intended to complete a task G. An RDBMS developed by Sun Microsystems that is the most popular open-source database server today H. A database that stores large volumes of historical data for report generating and analyzing I. A subcomponent of a thread; handled by the server to accomplish a task