1.Performance testing 
2.Volume  testing
3.Stress testing

Usability testing
Functionality testing
Performance testing

security testing

1.Basic funtionality testing
2.Perfomance testing(security,stress,valume)
3.sanitation testing

functional testing
performance testing
Regression testing

1)Performance
2)Stress
3)Robustness

1. Volume Testing 
2. Usability Testing
3. Conversion Testing

The three types of system testing are

1. Functionlity testing
2. Non functionlity testing 
3. Regression testing

Murali

dharanmu@yahoo.com

1.Usability testing
2.Functional testing
3.Non functional testing
(Realayability,stress,load,volume,compatability,configuratio
n,)

1.Functional testing
2.usability testing 
3.performance testing

these are three type of  system testing

There are 3 types of system testing.

1. stress testing.
2.performance testing.
3. volume testing.

1. Functionality Testing
2. Security Testing
3. Performance Testing

black box testing
white box testing
functional testing

Acually 4 types of System testings follows in Block box 
testing 
1. Usability testing
2. Fuctionality testing
3. Performance testing(Load,Stress,Data volume,Storage)
4. Security testing (Autherization, Accesscontrol)

1. Load Testing
2. Usability Testing.
3. Security Testing.

1.	Unit Testing 
2.	Integration Testing 
3.	System Testing
(Here in System testing we can cover functional, non 
functional & performance and other also)

Please correct me if I am wrong

musunurisdp@yahoo.com

1.unit
2.integration
3.system

the 3 types of system testing are:

recovery testing
security testing
stress testing
performance "
verification & validation

Funtional testing
Performance testing
Volume testing

Well Folks, so far I know System Testing can be further 
divided into two types.
1. Functional Testing (unit, integration, regression, 
usability etc.)
2. Non-Functional Testing (Performance, Stress, Load etc.)

Recovery Testing
Unit Testing
Street Testing


                  (Answer by vishal singh)