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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:

1. You have been appointed to be 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 on the various approaches to the junction. The project is still in the early stages of test planning, but it is already clear that despite a tight schedule its safety-critical nature demands careful and thorough testing.
You have been asked to decide whether automated test design would deliver benefits. Which characteristic of automated test design is MOST important for the development of this system?

A) Testware generated by tools usually contains fewer mistakes than testware created manually
B) Less maintenance effort for the testware after the system has gone live
C) Testware can be generated in various output formats, e.g. for use by different tools
D) Creating the model will expose defects in the test basis early in the project

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

3. 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) 16
C) 12
D) 8

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

5. You are your employer's most experienced TA. The organisation performs root cause analysis (RCA) thoroughly, but infrequently and only on individual defects that went live at the highest of the five Severity levels.
After six months of live operation for one system, particular concern has been expressed about the volume of usability and security defects and there is a strong desire to reduce their quantities. You have recommended adding product quality characteristics, per ISO 25010, to the defect report template.
How might this recommendation support RCA?

A) In combination with knowledge about how the defect was fixed, it will speed up RCA
B) In combination with Severity, Quality Characteristic will isolate groups of defects that are causing most concern, so that RCA can be performed at group level
C) It will enable Pareto analysis to be performed across the quality characteristics, in order to focus on those which have most defects
D) Classification by Quality Characteristic will enable more detailed analysis of the defect detection percentage (DDP)

Solutions: