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ISQI CTAL-TA_V4.0 Exam Syllabus Topics:

ISQI ISTQB Certified Tester Advanced Level Test Analyst (CTAL-TA v4.0) Sample Questions:

Question 1

You are a TA in the development of a road traffic control application, which will be installed at busy road junctions, to control the operation of traffic signal lights according to sensors that detect traffic volume. This safety-critical project is still in the early stages of test planning and the project schedule is tight.
The Test Manager has asked you if crowd testing should be included in the project's test strategy. You do NOT think it should. Which limitation of crowd testing MOST influences your view?

A. Coordinating with testers in various locations and time zones, with cultural differences and language barriers, can be challenging
B. Sharing software with external testers poses data security and confidentiality risks
C. Ensuring comprehensive test documentation and managing a large number of findings can be challenging
D. Testing quality can vary significantly depending on the skills of individual testers

Question 2

You are working on a project to build a purchasing system. The main requirements for the system are that it shall:
* Allow users to enter details of items that they wish to have purchased and, from these details, create a purchase request.
* Take each purchase request through a workflow that will allow the requestor's line manager to approve the request, reject it or return it for clarification / modification.
* Forward approved requests to the Purchasing Department.
* Allow purchasers to find the best available supplier for each approved request and place the request on that supplier as a purchase order.
The solution is being developed according to the company's traditional V-model methodology. The requirements are clearly documented and include a business process model.
The main release has now been live for three months and you are working on the first maintenance release.
The test manager has asked you, the senior TA, to identify those parts of the test process which were most and least effective at finding defects in the main release.
You have collected statistics for the independent test activities, i.e. excluding developers' testing, including only the 178 defects in the three highest of your five defect severity levels. The results are presented in the table below:

Assume that all defects not found at the first opportunity could have been, e.g. that all defects that escaped into acceptance testing were within the scope and objectives of system testing. By applying Defect detection percentage (DDP) analysis, which test activity was LEAST effective?

A. Test analysis, including requirements review
B. Acceptance testing
C. Test design, including solution design review
D. System testing

Question 3

You are developing test cases for an application which performs complex calculations and have decided to model these calculations on a spreadsheet, to determine expected results from inputs.
Which solution to the test oracle problem BEST describes the approach you are using?

A. A pseudo-oracle
B. Property-based testing
C. Deterministic testing
D. Metamorphic testing

Question 4

A savings bank rewards its customers with a £100 bonus when they reach the age of 21, if they have held a savings account for more than 3 years and have at least £2,000 in the account at that time.
Assume that Age is measured in whole years, Account term in whole years, and Account balance to two decimal places, i.e., pounds and pence.
The intended rule is:
IF Age = 21 AND Account term > 3 years AND Account balance > = £2000.00 THEN Pay £100 bonus You have a suite of test cases with the following values:
* TC1 Age = 21, Account term = 3 years, Account balance = £2000.00
* TC2 Age = 20, Account term = 6 years, Account balance = £500.00
* TC3 Age = 20, Account term = 2 years, Account balance = £3000.00
Which of the following test cases should you add to the suite to achieve 100% Reliable domain coverage?

A. Age = 20, Account term = 4 years, Account balance = £2000.01
B. Age = 21, Account term = 3 years, Account balance = £1999.99
C. Age = 22, Account term = 4 years, Account balance = £1999.99
D. Age = 22, Account term = 4 years, Account balance = £2000.00

Question 5

You are testing the functional correctness of an application which allows the driver of a car to control if the air that enters the passenger compartment is fresh or recycled. The car may be ordered in various configurations:
* Engine Size, can be: 1500cc, 1900cc, 2200cc, 2500cc
* Gearbox type, can be: automatic, manual 5-speed, manual 6-speed
* Cruise control, can be: yes or no
* Electric sunroof, can be: yes or no
It is expected that the most popular configuration will have a 1900cc engine and a manual 5-speed gearbox with cruise control and no electric sunroof. In order to achieve full BASE CHOICE coverage, how many configurations must be tested?

A. 48
B. 8
C. 16
D. 12

Solutions: