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What is Validation and Verification in Testing?

Posted By :Jean Paul     Posted Date :March 11, 2011    Points :40   Category :Others 
Validation ensures the product is right.

Verfication ensures we are building the right product.


You can also find related Interview Question to What is Validation and Verification in Testing?  below: 

How many types of validation controls are provided by ASP.NET ?

There are six main types of validation controls:-

RequiredFieldValidator: It checks whether the control have any value. It's used when you want the control should not be empty.

RangeValidator: It checks if the value in validated control is in that specific range.

CompareValidator: It checks that the value in controls should match the value in other control.

RegularExpressionValidator: When we want the control value should match with a specific regular expression.

CustomValidator: It is used to define UserDefined validation.

ValidationSummary: It displays summary of all current validation errors. (More...)

Should validation (did the user enter a real date) occur server-side or client-side? Why?

Validation will be done in both sides i.e., at the server side and client side. Server side validation will be done even though client side validation performed on the code because of proper
security reasons. (More...)

Name two properties common in every validation control?

ControlToValidate property and Text property are two properties that are common in every validation control. (More...)

Should user input data validation occur server-side or client-side? Why?

All user input data validation should occur on the server at a minimum. Additionally, client-side validation can be performed where deemed appropriate and feasable to provide a richer, more responsive experience for the user. (More...)

Name two properties common in every validation control?

ControlToValidate property and Text property. (More...)

What is regression testing

Regression testing is re-testing after fixes or modifications of the software or its environment.
The selective retesting of a software system that has been modified, to ensure that any bugs have been fixed and that no other previously working functions have failed as a result of the modification and that newly added features have not created problems with previous versions of the software. (More...)

Name two properties common in every validation control?

ControlToValidate property and Text property. (More...)

What are the three level of testing ?

1. Uint testing
2. Integration testing
3. Regression Testing (More...)

What is Unit Testing ?

Units are the Smallest building blocks of an Application. In Visual Basic .Net these building blocks are often components or class definations.
Unit testing involves performing basic tests at the component level.
It typically requires writting special programs that use the component or class being tested. (More...)

What is integration testing ?

Integration testing verifies that the major subsystems of an application work well with each other.

Integration testing can be performed in any of the following ways :

1. Bottom-up approch
2. Top-down approch
3. Umbrella approch (More...)

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