CTAL-TTA_001 Online Practice Questions and Answers

An embedded software company is considering to improve the quality of its software components to be delivered to the integration team. After studying various experience papers that report a higher level of quality for software components, two main alternative techniques are identified: static analysis and dynamic analysis. In deciding which one is most applicable and how they relate to each other a detailed study is performed. Which of the following are TWO key similarities between static analysis and dynamic analysis? 2 credits [K4]

Number of correct answers: 2

A. Both are performed using requirements as its major input document

B. Both are usually undertaken by integration testers

C. Both are usually undertaken by development during coding and unit testing

D. Both are related to reviews

E. Both usually use a tool

Consider the following fault attack: "Force all possible incoming errors from the software/OS interfaces to the application". Which of the following is the kind of failure you are looking for when using this attack? 1 credit [K2]

Number of correct answers: 1

A. Application crashes when unsupported characters are pasted into an input field using the windows

clipboard

B. Front page of the application has incorrect spelling of the company name

C. Application fails to display financial numbers in the correct currency format in reports

D. Application miscalculates total monthly balance due on credit cards

What is the number of nested levels for the code fragment?

2 credits [K3]

Number of correct answers: 1

A. 0

B. 1

C. 2

D. 3

Which specification-based technique could be used to enhance coverage for this code fragment?1 credit [K2]

Number of correct answers: 1

A. Boundary value analysis

B. Exploratory testing

C. State transition testing

D. Use case testing

What is the value of statement coverage achieved by test case 1 from test set A? 2 credits [K3] Number of correct answers: 1

A. ? 75% (21/28)

B. ? 78% (22/28)

C. ? 85% (24/28)

D. ? 90% (25/28)

You have tested the program and have found that with "bonus" a boundary value has not been implemented according to design. You have written an incident report. Which of the following is the incident report of the highest quality? 2 credits [K3]

Number of correct answers: 1

A. Description: Boundary value not correctly implemented Priority: High Repeatability: Yes Tester: WVU Test case: 35 (test specification "bonus program"), V1.2

B. Description: Boundary value not correctly implemented for bonus Priority: Medium Tester: WVU Test case: 35 (test specification "bonus program")

C. Description: Boundary value not correctly implemented for bonus (line 26: 10 according to design, now 5 implemented) Priority: High Repeatability: Yes Tester: WVU Test case: 35 (test specification "bonus program"), V1.2

D. Description: Boundary value not correctly implemented for bonus Priority: High Repeatability: Yes Tester: WVU Test case: 35 (test specification "bonus program"), V1.2

An organisation has already implemented a static analysis tool and is considering whether code reviews would have any added value. Which of the following defect types can only be found by means of code reviews?1 credit [K2]

Number of correct answers: 1

A. Conformance to coding standards

B. Conformance to design

C. Endless loop

D. Cyclomatic complexity too high

To support code reviews a checklist will be developed. Which TWO questions from the list would you implement as part of the code review checklist? 3 credits [K3]

Number of correct answers: 2

A. Are any magic numbers (numeric literals) used, other than 0 or 1?

B. Can each item be implemented with the techniques, tools, and resources available?

C. Is it possible during acceptance testing to verify whether the item has been satisfied?

D. Is the item specified in an exact, unambiguous way?

E. Is there any logic containing no statements and no explanation as to why it is empty?

Select TWO solutions how the team could achieve significant benefits in the use of this tool within the next 6 months? (3 credits, for 1 out of 2 correct 1 credit) 3 credits [K4]

Number of correct answers: 2 A. Introduce data-driven or keyword driven scripting techniques

B. Change the development process

C. Select and implement a test management tool to complement the test suite

D. Identify critical parts of the system and concentrate on automating some of those tests for that particular area

E. Get business testers involved in the automation process

To address reliability a number of measures will be taken throughout the development and testing process. Select TWO appropriate measures that are typically taken as part of reliability engineering and/or testing of an application. 3 credits [K4]

Number of correct answers: 2

A. Define Operational Profiles

B. State Transition Testing

C. Usability testing

D. Perform design FMEAs

E. Exploratory test

Which of the following is the best example of a reliability failure for the application? 1 credit [K2] Number of correct answers: 1

A. Slow response time

B. Excessive memory consumption

C. Random application termination

D. Failure to encrypt data

Scenario:

For equivalence partitioning based on this specification, how many output classes can be determined? 2 credits [K3]

Number of correct answers: 1

A. 2

B. 3

C. 4

D. 5

Which of the following is an example of testing as part of the software design phase? 1 credit [K2] Number of correct answers: 1

A. A design review meeting

B. An architect translating requirements into design

C. Performing unit tests against design

D. A test log showing code coverage achieved

Defects are discovered through test analysis and design because... 1 credit [K2] Number of correct answers: 1

A. the tasks involve extracting information from the test basis

B. developers are involved in writing test cases

C. the cost of fixing a defect will increase if found later on

D. the author of the test basis will have made errors

Exhibit: Identify TWO main advantages of this approach to incident management. (3 credits, for 1 out of 2 correct 1 credit) 3 credits [K4]

Number of correct answers: 2

A. Quick to set up and cheap

B. Electronic rather than manual

C. Allows attachments (e.g. screen prints) to be linked to the incident reports

D. Can easily be integrated with open source tools

E. Large files are not a problem