Extending the first line of text to the left of a text block creates a _____ indent.?

In which type of attack does the attacker use a web application to send a malicious code to the end user?

a. SQL injection attack b. DOS attack c. Invalided input attack d. Cross-side scripting (XSS) attack

On a binary tree, ____ are used to represent conditions.

A. flowlines B. ovals C. diamond boxes D. process rectangles