When deleted text in a document shows in a different color with a line through it indicating it is marked for deletion and new text is in a different color and underlined, the document is being viewed in ________ mode

When designing a web based client server application with single application server and database cluster backend, input validation should be performed:

A. On the client B. Using database stored procedures C. On the application server D. Using HTTPS

Which statements are most accurate regarding the following classes?

``` class A { private int i; protected int j; } class B extends A { private int k; protected int m; } ``` a. An object of B contains data fields i, j, k, m. b. An object of B contains data fields j, k, m. c. An object of B contains data fields j, m. d. An object of B contains data fields k, m.