DAT Testing

Question 1

Define Testing

Answer 1

An assessment of the data manipulation tasks undertaken during data movement/processing.

Question 2

What are the four Levels of Testing?

Answer 2

Unit Test - Individual software components tested. Code can be refined.
Integration Test - Groups of software tested together. Compatible?
System Test - Whole system tested against requirements. AKA Technical Acceptance Test (TAT).
User Acceptance Test - System tested against business requirements. Often undertaken by user community.

Question 3

What is the difference between White and Black Box Testing?

Answer 3

In white box testing, the tester knows the design/implementation of the software. In black box testing, this is unknown to the tester.

Question 4

What are the components of Performance Stress Tests?

Answer 4

Performance (speed, reliability)
Load (handle day-to-day use)
Stress (beyond normal limits)
Scalability
Stability

Question 5

What is a Regression Test?

Answer 5

Testing the solution again, after changes have been made.

Question 6

What are the types of Test Decks?

Answer 6

No-data - Checks handling of missing columns, nulls etc.
Valid data - Checks valid data, including edge cases.
Invalid data - Check handling of data that doesn’t meet rules, and incorrectly formatted (illegal data).
Boundary condition - Check handling of out-of-range data.
Perf. Load. Stress - Test large quantities of data.