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NEW QUESTION 25
Testing Process
The following are the exit criteria described in the test plan of a software product:
EX1. The test suite for the product must ensure that at least each quality risk item is covered by at least one test case (a quality risk item can be covered by more test cases).
EX2. All test cases in the test suite must be run during the execution phase.
EX3. Defects are classified into two categories: "C" (critical defect) and "NC" (non-critical defect). No known C defects shall exist in the product at the end of the test execution phase.
Which of the following information is useless when the specified exit criteria is evaluated?
- A. A list of all the open defects with the associated classification information extracted from the defect tracking system
- B. A traceability matrix showing the relationships between the product risk items and the test cases
- C. A chart, showing the trend in the lag time from defect reporting to resolution, extracted from the defect tracking system
- D. The execution status of all the test cases extracted from the test management tool
Answer: C
Explanation:
Section: Testing Process
NEW QUESTION 26
Test Tools and Automation
Assume you are the Test Manager in charge of independent testing for avionics applications.
You are in charge of testing for a project to implement three different CSCI (Computer Software Configuration Item):
- a BOOT-X CSCI that must be certified at level B of the DO-178B standard
- a DIAG-X CSCI that must be certified at level C of the DO-178B standard
- a DRIV-X CSCI that must be certified at level A of the DO-178B standard These are three different software modules written in C language to run on a specific hardware platform.
You have been asked to select a single code coverage tool to perform the mandatory code coverage measurements, in order to meet the structural coverage criteria prescribed by the DO-178B standard. This tool must be qualified as a verification tool under DO-178B.
Since there are significant budget constraints to purchase this tool, you are evaluating an open-source tool that is able to provide different types of code coverage. This tool meets perfectly your technical needs in terms of the programming language and the specific hardware platform (it supports also the specific C-compiler).
The source code of the tool is available.
Your team could easily customize the tool to meet the project needs. This tool is not qualified as a verification tool under the DO-178B.
Which of the following are the three main concerns related to that open-source tool selection?
Number of correct responses: 3
K4 3 credits (2 credits out of 3 credits correct, 1 credit point)
- A. Does the tool support all the types of code coverage required from the three levels A, B, C of the DO-178B standard?
- B. What are the costs to qualify the tool as a verification tool under the DO-178B?
- C. Does the tool have a good general usability?
- D. Is the installation procedure of the tool easy?
- E. Does the tool require a system with more than 4GB of RAM memory?
- F. Is the licensing scheme of the tool compatible with the confidentiality needs of the avionics company?
Answer: A,B,F
NEW QUESTION 27
You are estimating the effort for the integration testing activities of a new project. Consider the following factors, which can affect that estimation:
I. Availability of re-usable test systems and documentation from previous, similar projects
II. Unexpected timing of components arrival
III. Stability of the integration test team (no turnover)
IV. Many and geographically distributed sub-teams Which of the following statements is true?
K2 1 credit
- A. and IV. usually favor the accuracy of the estimation effort
- B. II. and III. can negatively affect the estimation
- C. and II. usually favor the accuracy of the estimation effort
- D. III. and IV. can negatively affect the estimation
- E. II. and IV. can negatively affect the estimation
- F. I. and II. can negatively affect the estimation III. and IV. usually favor the accuracy of the estimation effort
- G. and III. usually favor the accuracy of the estimation effort
Answer: A
NEW QUESTION 28
You are the Test Manager of a new project aimed at developing a software system that must be certified at level B of the DO-178B standard. The project will follow a V-Model software development life cycle and it will have four formal levels of testing: component, integration, system and acceptance testing.
You must produce the test plan documentation for this project by providing an adequate coordination across the four levels of testing in order to assure audit ability.
Which of the following answers would you expect to best describe how to organize the test plan?
K3 2 credits
- A. Produce a master test plan that covers three levels (component, integration, system test) and a separate acceptance test plan
- B. Produce a single master test plan that covers in detail all four levels, describing the particular activities for all test levels
- C. Produce a master test plan describing the relationship between the four levels, and four separate detailed level test plans, one for each level
- D. Produce four separate detailed level test plans, one for each level, without a master test plan
Answer: C
NEW QUESTION 29
Test Management
Based on the historical data of 5 past and similar projects, you have calculated these average numbers of defects detected in system testing:
- for each 10000 LOC (lines of code), 200 defects
- for each person-month of development team effort, 49 defects
You want to use this information to perform estimation for a new project.
The project manager tells you that he/she has estimated 20000 new LOC for this new project.
Four developers work for four months on this project before system testing.
During system testing, 797 defects are discovered.
Assume that the system test of this new project is using the same amount of work as spent in the past projects.
Based on this information only, which of the following statement is certainly true about this project?
- A. 40000 LOC have been delivered to system testing (against the 20000 LOC planned by the project manager)
- B. More LOC than planned have been delivered to system testing with a higher defect density than the past projects
- C. The number of defects found during the system test phase on the new project is approximately proportional to the development team effort
- D. The code for the new project contains a higher defect density than the code of the past projects
Answer: C
Explanation:
Section: Test Management
NEW QUESTION 30
Assume that the following test cases have been executed at the end of the first week of test execution: TC-001, TC-002 and TC-007. All these tests are 'passes'.
What is the MINIMUM number of the remaining test cases that must be successfully executed to fulfill the EX1 exit criteria?
Number of correct responses: 1
K3 2 credits
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 31
Testing Process
Assume you are the Test Manager for a new software release of an e-commerce application.
The server farm consists of six servers providing different capabilities. Each capability is provided through a set of web services.
The requirements specification document contains several SLAs (Service Level Agreements) like the following:
SLA-001: 99.5 percent of all transactions shall have a response time less than five seconds under a load of up-to 5000 concurrent users The main objective is to assure that all the SLAs specified in the requirements specification document will be met before system release. You decide to apply a risk-based testing strategy and an early risk analysis confirms that performance is high risk. You can count on a well-written requirements specification and on a model of the system behavior under various load levels produced by the system architect.
Which of the following test activities would you expect to be the less important ones to achieve the test objectives in this scenario?
Number of correct responses: 1
K4 3 credits
- A. Perform static performance testing by reviewing the architectural model of the system under various load levels
- B. Monitor the SLAs after the system has been released into the production environment
- C. Perform unit performance testing for each single web service
- D. Perform system performance testing, consisting of several performance testing sessions, to verify if all the SLAs have been met
Answer: B
NEW QUESTION 32
Which of the following factors could negatively influence a review?
K2 1 credit
- A. Include people who are detail-oriented and scrupulous at finding issues
- B. Include as many people as possible in order to have more viewpoints about possible problems on the item under review
- C. Include people with the adequate level of knowledge, both technical and procedural
- D. Include people able to contribute to a clear, thoughtful, constructive and objective discussion
Answer: B
NEW QUESTION 33
Test Management
You are the Test Manager of a new project aimed at developing a software system that must be certified at level B of the DO-178B standard. The project will follow a V-Model software development life cycle and it will have four formal levels of testing: component, integration, system and acceptance testing.
You must produce the test plan documentation for this project by providing an adequate coordination across the four levels of testing in order to assure auditability.
Which of the following answers would you expect to best describe how to organize the test plan?
- A. Produce a master test plan that covers three levels (component, integration, system test) and a separate acceptance test plan
- B. Produce a single master test plan that covers in detail all four levels, describing the particular activities for all test levels
- C. Produce a master test plan describing the relationship between the four levels, and four separate detailed level test plans, one for each level
- D. Produce four separate detailed level test plans, one for each level, without a master test plan
Answer: C
NEW QUESTION 34
Your test team consists of four members (Mary, Bob, Mark, Dave) with different interpersonal skills.
The following skills assessment spreadsheet shows the characteristics of the team members with respect to a list of interpersonal-skills (for each characteristic only the member with the highest level of that characteristic is indicated and marked with 'X'): On the next project a member of your test team will have to perform some routine tasks requiring collaboration with other teams.
Who in your test team would you expect to be most suitable at doing these tasks?
K4 3 credits
- A. Mark
- B. Mary
- C. Dave
- D. Bob
Answer: B
NEW QUESTION 35
Test Management
Which one of the following metrics to be produced needs traceability between the test cases and each item in a proper test basis?
Number of correct responses: 1
K2 1 credit
- A. Trends in the lag time from defect reporting to resolution
- B. Mean time between failures for the system
- C. Requirements coverage
- D. Cumulative number of reported defects versus cumulative number of resolved defects
Answer: C
NEW QUESTION 36
Testing Process
Which of the following is an example of the test closure activity indicated as "lessons learned"?
Number of correct responses: 1
K2 1 credit
- A. Participate in a meeting at the end of a project aimed at better managing the events and problems of future projects
- B. Deliver a list of the open defects of a software product released into production to the service desk team
- C. Archive all the test results of the acceptance testing phase
- D. Deliver an automated regression test suite, used during the system test phase of a software product released into production, to the team responsible for maintenance testing
Answer: A
NEW QUESTION 37
Assume that you are the Test Manager for a small banking application development project.
You have decided to adopt a risk-based testing strategy and 5 product risks (R1, R2, R3, R4, and R5) have been identified during the quality risk analysis.
The following table shows the risk level associated to these product risks (higher numbers mean higher risk):
55 test cases have been designed and implemented to cover all these 5 product risks. The coverage is described in a traceability matrix.
This is the test execution status table, after the after the first week of test execution:
About 56% of the planned test cases have been successfully executed.
Assume that no additional product risks have been identified during the first week of test
execution.
Which of the following answers would you expect to best describe the residual risks associated with the identified product risks, at the end of the first week of test execution?
K3 2 credits
- A. Since R3 is the only risk for which all test cases have passed, the risk has been reduced by 20%
- B. The test execution table doesn't give an indication of the risk level of the open defects and the test cases that failed or are not run yet
- C. The residual risk level can't be determined, because it requires that all the test cases have been executed
- D. The test execution status table indicates that the risk has been reduced by 56%
Answer: B
NEW QUESTION 38
Test Management
Assume you are currently working on a project developing a system where functional requirements are very well specified. Unfortunately non-functional requirements do almost not exist.
You are the Test Manager. You have to choose a technique for test selection that allows testing of non-functional characteristics, especially reliability.
Which of the following techniques for test selection do you expect being most useful in this scenario?
Number of correct responses: 1
K2 1 credit
- A. Ambiguity reviews
- B. Cause-effect graphing
- C. A model-based technique based on the creation of operational profiles
- D. Test condition analysis
Answer: C
NEW QUESTION 39
The following are the exit criteria described in the test plan of a software product:
EX1. The test suite for the product must ensure that at least each quality risk item is covered by at least one test case (a quality risk item can be covered by more test cases).
EX2. All test cases in the test suite must be run during the execution phase.
EX3. Defects are classified into two categories: "C" (critical defect) and "NC" (non-critical defect). No known C defects shall exist in the product at the end of the test execution phase.
Which of the following information is useless when the specified exit criteria is evaluated?
K2 1 credit
- A. A list of all the open defects with the associated classification information extracted from the defect tracking system
- B. A traceability matrix showing the relationships between the product risk items and the test cases
- C. A chart, showing the trend in the lag time from defect reporting to resolution, extracted from the defect tracking system
- D. The execution status of all the test cases extracted from the test management tool
Answer: C
NEW QUESTION 40
Test Management
Consider an agile team adopting Extreme Programming (XP) with five developers and one tester without any coding experience.
To which of the following activities would you expect the tester will contribute most?
- A. Executing unit tests
- B. Supporting the customer in the execution of acceptance testing
- C. Planning and executing tests during the integration test phase to detect interface defects
- D. Developing unit tests
Answer: B
NEW QUESTION 41
Test Management
You are the Test Manager of a new project aimed at developing a software system that must be certified at level B of the DO-178B standard. The project will follow a V-Model software development life cycle and it will have four formal levels of testing: component, integration, system and acceptance testing.
You must produce the test plan documentation for this project by providing an adequate coordination across the four levels of testing in order to assure auditability.
Which of the following answers would you expect to best describe how to organize the test plan?
Number of correct responses: 1
K3 2 credits
- A. Produce a master test plan that covers three levels (component, integration, system test) and a separate acceptance test plan
- B. Produce a single master test plan that covers in detail all four levels, describing the particular activities for all test levels
- C. Produce a master test plan describing the relationship between the four levels, and four separate detailed level test plans, one for each level
- D. Produce four separate detailed level test plans, one for each level, without a master test plan
Answer: C
NEW QUESTION 42
Test Management
You are the Test Manager on a project following an iterative life-cycle model. The project should consist of nine iterations of one month duration each. It is planned to develop the most important features to have a stable core of the application in the first three iterations and to add the additional features in the last six iterations.
At the beginning of the first iteration, only a draft version of the requirements specification document for the core features is available. Assume that during each of the first three iterations, the chosen features are fully completed and unit tested.
Which of the following statements is true in this context?
Number of correct responses: 1
K4 3 credits
- A. You should allocate all the effort for the system test phase only in the last iteration
- B. The system test phase should start when all the requirements are frozen
- C. You should allocate a large effort for system testing during the first three iterations
- D. You should apply the same test strategy as used in a sequential life cycle model
Answer: C
NEW QUESTION 43
The main objectives the senior management team wants to achieve are:
-
to reduce the costs associated with dynamic testing
-
to use reviews to ensure that the project is on course for success and following the plan
-
to use reviews as a well-documented and effective bug-removal activity following a formal process with well-defined roles
-
to determine the effectiveness of reviews in terms of phase containment
-
to improve phase containment effectiveness
Which of the following answers would you expect to describe the best way to achieve these objectives?
K4 3 credits
- A. You should plan for lightweight exit-phase reviews at the end of each development and testing phase, and plan for a process of gathering information from testing to perform an analysis aimed at identifying the larger cluster of defects
- B. You should plan for formal exit-phase reviews at the end of each development and testing phase, and plan for a process of gathering information from testing to perform an analysis aimed at identifying the larger cluster of defects
- C. You should plan for formal exit-phase reviews at the end of each development phase and testing phase, and plan for a process of gathering information from testing to perform an analysis of the bugs found during testing to determine the people responsible for those bugs
- D. You should plan for formal exit-phase reviews at the end of each development and testing phase, and plan for a process of gathering information from testing to perform an analysis of the bugs found during testing to determine the phase in which they have been introduced
Answer: D
Explanation:
Topic 3, Reviews
NEW QUESTION 44
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