ISQI ISTQB Certified Tester Advanced Level Test Analyst (CTAL-TA v4.0) : CTAL-TA_V4.0

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ISQI ISTQB Certified Tester Advanced Level Test Analyst (CTAL-TA v4.0) CTAL-TA_V4.0 Prüfungsfragen mit Lösungen:

1. You are assigned to an Agile team as a Test Analyst. In most ways, the team seems to be working well.
Iteration planning goes smoothly because the user stories are good quality. Most defects that are found by testing are fixed in the same iteration and those that do go live are not causing significant dissatisfaction amongst stakeholders. However, the team is unhappy because the Defect Removal Efficiency rate, measured for each iteration, is less than 80%.
What would be the MOST effective contribution by you as a TA, to improve the situation?

A) Defect data collection and evaluation
B) Participating in root cause analysis
C) Participating in retrospectives
D) Reviewing requirements

2. You are working on an Agile project to develop a web-based online dating service that will allow members of the service to enter their profile, meet people who would be a good match for them, arrange social events with those people and to block people with whom they do not want contact.
Functional correctness, usability, performance and security are all important but the major concern for the stakeholders is data protection. Two environments are available for testing: the regular one is similar to the development environment, the other is a pre-production environment which is configured to become the live system when operation begins, but has currently been loaded with a representative volume of artificial profiles.
The features for member profile entry have been delivered and tested. The current iteration will deliver profile matching, which will be done on-demand in response to a request from a member to see matching profiles in their browser. The tests for these user stories' acceptance criteria will be aimed primarily at functional correctness and will be scripted. Performance testing and security testing will be done by external specialists when the functionality is stable.
The other TAs in the team are on sick leave and only have time for one exploratory test session before the end of the iteration. What is the MOST appropriate test charter in these circumstances?

A) Explore the profile matching features With the regular environment To discover any functional issues that were not covered by the story acceptance criteria
B) Explore the profile entry features With the regular test environment To discover any functional issues that might affect matching
C) Explore the profile matching features With the pre-production environment To discover any functional or performance issues
D) Explore the profile matching features With the regular test environment To discover any usability issues and security vulnerabilities

3. A simple DVD player is described in the following state transition diagram:
States shown in the diagram:

All round trips are feasible, even those that do not start at OFF. How many test cases will be needed for complete round-trip coverage?

A) 12
B) 9
C) 10
D) 11

4. You are working on a project to build an application that will handle insurance claims. The main requirements for the system are that it shall:
* Allow users to enter details of claims that have been submitted by insured customers.
* Take each claim through a workflow that will allow an assessor to approve the request, reject it or request clarification from the claimant.
* Send approved requests to the accounts payable system for payment.
The solution is being developed according to the company's standard V-model methodology. The requirements are clearly documented and include a business process model. Operational profiles have been created to guide performance testing.
A risk-based approach to testing is used; frequency of use and role of the user are major factors in feature risk assessment.
System testing has almost finished but a major change to the approval workflow is just about to be delivered.
A standard regression test pack has not yet been established, but ad-hoc regression testing has already been performed on earlier builds.
As a TA. you have updated the list of product risks and must now decide the scope of the regression testing.
Which pair of techniques will be MOST effective for selecting the regression tests?
a) History-based, driven by the results of the regression tests run so far b) Risk-based, driven by the updated list of product risks and its traceability to the tests c) Operational profile-based, driven by the likely patterns of use of the relevant transactions d) Requirement traceability matrix-based, driven by the links from affected requirements to related tests e) Impact analysis, driven by consultation with technical stakeholders to identify what might be affected.

A) a) and e)
B) c) and d)
C) b) and e)
D) b) and c)

5. You are testing a program which calculates the best airspeed for optimal fuel economy of a new type of aero engine. The result depends on atmospheric pressure at the airplane's current height, the air temperature at the airplane's current height, and on the airplane's current fuel load. The best airspeed:
* decreases by 4 knots (nautical miles per hour) for every 5mb (millibar) decrease in atmospheric pressure,
* increases by 6 knots for every 1°C decrease in air temperature,
* increases by 1 knot for every 1,000kg decrease in fuel load.
You have a test case which predicts that at an atmospheric pressure of 1,000 mb, an air temperature of 10°C and a fuel load of 400,000kg, the optimal airspeed for an Airbus A380 is 600 knots.
Which test case would verify the metamorphic relation described in the three bullet points above?

A) Pressure 950mb, temp. 11°C, fuel 400,000kg, optimal airspeed = 610 knots
B) Pressure 950mb, temp. 9°C, fuel 350,000kg, optimal airspeed = 616 knots
C) Pressure 950mb, temp. 10°C, fuel 360,000kg, optimal airspeed = 620 knots
D) Pressure 1050mb, temp. 9°C, fuel 350,000kg, optimal airspeed = 590 knots

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