Answer:
a.JavaScript
Explanation:
<em>Form validation</em> is adopted to prevent the abuse of web form by malicious users, data that are not properly validated causes or leads to security vulnerabilities, thereby making a website to be at a risk of being attacked by malicious users.
<em>Validation rules</em> checks that the data a user enters in a record meets the specify standards before the user is allowed to save the record, a validation rule evaluates the data in one or more fields and return it as true or false.
<em>JavaScript form validation can be used to check all required fields, the steps are adopted are:</em>
<em>i) Basic validation − The form is first checked to make sure that all the mandatory fields are filled.</em>
<em>ii) Data format validation −The data that is entered is then checked for correct form and value before allowing to proceed, submit or save the record.</em>
Answer: a) acceptable use policy
Explanation:
- Acceptable use policy (AUP) is a policy that is regarding the usage of internet services and other network facilities with certain responsibility , rights and regulations.
- This policy governs the internet use being done till permitted extent and is not interrupting security and ethics for any reason in corporate world, school premises etc.
- Other options are incorrect because privacy policy is made for maintaining privacy.Fair use policy permits limited amount of copyrighted components to be used. Digital rights is related with regulation of digital element and environment.
- Thus, the correct option is option(a).
<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a
</span>
Answer:
See explaination for the details of the answer.
Explanation:
A class is a structured diagram that describes the structure of the system.
It consists of class name, attributes, methods and responsibilities.
A mailbox and an email message has some certain attributes such as, compose, reply, draft, inbox, etc.
See attachment for the Model object classes that might be used in the system implementation to represent a mailbox and an email message.