Answer:
SQL injection
Explanation:
SQL injection is a vulnerability in databases that occurs when user input is not properly validated. Hackers are able to input SQL query statements to bypass the use of the actual user name and password to gain access to the account.
Using placeholders in programmed SQL statements mitigates the effects of SQL injection.
Answer: A) Set of related,reusable classes that provide a well defined set of functionality
Explanation: Tool kit is defined as single program for utilization that has set of software plan that has numerous functions. It is also used for developing and maintaining applications and databases. It is the basic collection of the tools that help in the functioning of class. The classes present can be re-utilized. Therefore, Option (A) is the correct option.
Answer:
The right answer is: Option A. h3
Explanation:
The purpose of using selectors in CSS is to find the elements in the HTML page to which the formatting will be applied.
Different type of selectors are used in CSS.
In the given code, h3 is the selector.
All the <h3> elements on the page will be of orange color and will have font size 12.
Hence,
The right answer is: Option A. h3
The answer is Object-oriented programming (OOP). This is a type of programming language model on the concept of "objects", which may comprise of data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. The first step here is to classify all the objects the programmer wants to work and how they relate to each other, this is known as data modeling. Once an object has been identified, it is generalized as a class of objects which describes the type of data it comprises and any logic sequences that can manipulate it.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
"D" option is correct
"Each statement needs to end in a semicolon."
semicolon must use in program.without semicolon program doesn't accept.so each statement needs to end in a semicolon.