ISTQB ATM 問題集

質問 1：
Which of the following would you expect to be most likely an example of a motivating factor
for testers?
K2 1 credit
A. The testers are asked to perform, in parallel with their testing tasks, other tasks
unrelated to their testing responsibilities
B. The resources allocated for the testing activities are not sufficient and don't allow the
testers to contribute to the quality of the product
C. The testers contribution to the quality of the software products developed from an
organization is recognized with increased responsibilities
D. The same regressions tests are executed manually by the same testers, for every
product release, without any progression in content
正解：C

質問 2：
You are the Test Manager for a project to develop a client-server application that allows
wine vendors to order custom-assorted packages of wines of several winemakers to sell
special packages in their wine shops.
You decide to apply a blended risk-based and reactive testing strategy. Below the exit
criteria for the system testinG.
EXCR1- Each "critical" quality risk item must be covered by at least one test condition
EXCR2- Each "critical" requirement must be covered by at least one test condition
The following are the "critical" requirements of the application:
REQ-SEL-1. The application shall allow the user to order only one package at a time
REQ-SEL-2. The application shall allow the user to select between four different packages
(2-bottles, 6-bottles, 12-bottles, 15-bottles)
REQ-SEL-3. The application shall allow the user to order a package containing at least 1
bottle and no more bottles than the package size. No error messages shall be displayed if
the user selects a valid number of bottles (at least 1 bottle and no more than the package
size)
REQ-SEL-4. The application shall display an error message "Invalid number of bottles" if
an invalid number of bottles is selected by the user (zero bottles or a number higher than
the package size)
REQ-PAY-1. The application shall allow the user to pay with the three accepted credit
cards (Visa, MasterCard, American Express)
REQ-PAY-2. The application shall display an error message "Invalid credit card" if invalid
credit card data are given by the user
QUSTION NO: 11
The following is the unique "critical" quality risk item that has been identified:
CR-RSK-1. The GUI of the application might accept non-integer values for the input field
designed to get the number of bottles from the user
Test analysis for system testing has just begun and the following test conditions have been
identifieD.
TC-SEL-2. Test the selection of the package sizes
TC-SEL-4. Test wrong numbers of bottles for an order
TC-CR-RSK-1. Test the accepted values from the input field designed to get the number of
bottles from the user
Assume that you have used traceability to determine the logical test cases that cover all the
requirements and the single risk item identified in that scenario.
Which of the following is a positive logical test that is complete and correct, and covers the
REQ-SEL-4 requirement?
K3 2 credits
A. Select a 6-bottles package, then try to insert 7 bottles; verify that the "Invalid number of
bottles" message is displayed
B. Select a 6-bottles package, then try to insert 7 bottles
C. Select a 6-bottles package, then try to insert 5 bottles; verify that no error messages are
displayed
D. Select a 6-bottles package, then try to insert 7 bottles; verify that no error messages are
displayed
正解：A

質問 3：
Which of the following factors could negatively influence a review?
K2 1 credit
A. Include people able to contribute to a clear, thoughtful, constructive and objective
discussion
B. Include people with the adequate level of knowledge, both technical and procedural
C. Include people who are detail-oriented and scrupulous at finding issues
D. Include as many people as possible in order to have more viewpoints about possible
problems on the item under review
正解：D

質問 4：
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?
K3 3 credits
A. The code for the new project contains a higher defect density than the code of the past
projects
B. The number of defects found during the system test phase on the new project is
approximately proportional to the development team effort
C. More LOC than planned have been delivered to system testing with a higher defect
density than the past projects
D. 40000 LOC have been delivered to system testing (against the 20000 LOC planned by
the project manager)
正解：B

質問 5：
Which one of the following metrics to be produced needs traceability between the test
cases and each item in a proper test basis?
K2 1 credit
A. Cumulative number of reported defects versus cumulative number of resolved defects
B. Mean time between failures for the system
C. Requirements coverage
D. Trends in the lag time from defect reporting to resolution
正解：C

質問 6：
Assume you are working on a CAS (Conditional Access System) for Pay-TV that allows the
access, selection and transfer of services and media to authorized users. Authorized users
can choose their services through different channels: Web Customer Portal, IVR
(Interactive Voice Response), Call Centre and SMS. The system uses a Smart Card to
receive and decrypt the broadcasted encrypted control words which allow decrypting pay-
per-view TV. Every authorized user must have a Smart Card and a Set-Top Box to view the
contents.
The following is an excerpt from the product risk analysis document:
Both likelihood and impact have been rated on the following scale: (1 - Very low, 2 - Low,
3 - Medium, 4 - High, 5 - Very High).
The required test environment and code have been delivered. All test cases for each
identified product risk item have been written and are ready to be executed. The Database
used to contain the Smart Cards is empty and so only new Smart Cards can be used
during test execution.
A Smart Card can only be activated if it has been previously pre-activated. This means the
post-conditions for the execution of the test cases to test the pre-activation of the Smart
Card are the pre-conditions for activation of the Smart Card.
Which of the following statements represents the most effective contribution of the
stakeholders to the completion of the failure mode analysis table?

K4 3 credits
A. The system architect and the chief software engineer should contribute to assess the
priority. The expert tester is the only one who should contribute to assess the detection.
B. The aircraft pilot and the customer representative should contribute to assess the
priority. The chief software engineer, the system architect and the expert tester should
contribute to assess the detection.
C. The aircraft pilot is the only one qualified to contribute to assess the priority and thus
should be assigned this task. The customer representative should contribute to assess the
detection.
D. The aircraft pilot and the customer representative should contribute to assess the
detection. The chief software engineer, the system architect and the expert tester should
contribute to assess the priority.
正解：B