oDesk Software Testing Test Answers
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Which
of the following are the objectives of using a "test harness"?
a. Automating the
testing process
b. Executing test suites
of test cases
c. Generating test
reports
d. Creating reusable
test logic to reduce maintenance and improve test coverage
Consider
the following code fragment:
If(a>b) && (b<c)
{
b= (a+c)/2;
}
In the options given below, each of the three numbers in parentheses represents the inputs for a test case, where the first, second and third number represents a, b, c respectively of the code fragment. Keeping this in mind, find out which of the following options gives a set of test case inputs that achieves decision coverage for this fragment of code in the minimum number of test cases?
If(a>b) && (b<c)
{
b= (a+c)/2;
}
In the options given below, each of the three numbers in parentheses represents the inputs for a test case, where the first, second and third number represents a, b, c respectively of the code fragment. Keeping this in mind, find out which of the following options gives a set of test case inputs that achieves decision coverage for this fragment of code in the minimum number of test cases?
a. (5, 3, 2)
b. (5, 3, 2); (5, 4, 0)
c. (5, 4, 0); (4, 5, 0)
d. (4, 5, 0); (5, 4, 5)
_________
testing is used to evaluate and understand the application's reliability,
scalability and interoperability when more users are added or the volume of
data is increased
a. Integration
b. Performance
c. Regression
d. Stability
Which
of the following strategies are used for Integration testing?
a. Big Bang
b. Top-down
c. Bottom-up
d. Any of the above
strategies can be used
The
determination of adherence or non adherence to a compliance is carried out
during:
a. Inspection
b. Audit
c. White-box testing
d. Walkthrough
Which
of the following is true regarding Static Analysis tools?
a. They help you find
defects rather than failures
b. They are used by
developers only
c. They require
compilation of code
d. All of the above
Identify
the defect which can be detected by Equivalence Partitioning Technique:
a. Improper handling of
sequences of events
b. Mis-handling of
combinations of conditions
c. Irregular handling of
large and small values
d. Improper handling of
input classes
e. Invalid output
generation
Which
of the following is false about software testing?
a. Top-down integration
testing has as its major advantage that low level modules never need testing
b. Alpha testing is
in-house testing performed by the test team
c. Equivalence
partitioning is used to minimize the number of permutations and combinations of
input data
d. Fuzz testing provides
random data to the input of a program
The
review of a technical document such as requirements specs or a test plan, with
the purpose of looking for problems and seeing what is missing, without fixing
anything is called:
a. Inspection
b. Black box testing
c. White box testing
d. Walkthrough
What
is the main reason for testing a software immediately before releasing it?
a. To ensure that the
system will work after release
b. To decide when the
software is of sufficient quality to release
c. To find as many bugs
as possible before release
d. To give information
for a risk based decision about release
Which
of the following types of testing emulates the real world use of a system and
verifies that the product fulfills the intended requirements?
a. System testing
b. Model testing
c. Integration testing
d. User acceptance
testing
Which
of the following tools supports traceability, recording of incidents, and
scheduling of tests?
a. Static analysis tool
b. Debugging tool
c. Test management tool
d. Configuration
management tool
Selecting
the test inputs that are likely to reveal a failure associated with a
particular defect is an example of the use of:
a. Activity analysis
b. Defect taxonomy for
test design
c. Root cause analysis
d. Cleanroom software
development
Which
of the following Security testing concepts deals with the process of
determining whether a requester is allowed to receive a service or perform an
operation?
a. Confidentiality
b. Integrity
c. Authentication
d. Authorization
The
process of using a test case to test a specific unit of code, function, or
capability is called:
a. Test Run
b. Test Script
c. Test Plan
d. Test Scenario
Which
of the following are benefits of automated testing?
a. reusability
b. efficiency
c. speed
d. allows testing of
video and mp3 files
Usability
testing indicates that the design and system should be modified if:
a. people have
difficulty in understanding the instructions
b. people have
difficulty in manipulating the parts
c. people have
difficulty in interpreting the feedback
d. all of the above
Which
of the following is not included in Non-functional testing?
a. Load/Stress testing
b. Unit testing
c. Security testing
d. Stress testing
Which
of the following statements is not true regarding capture/replay tools?
a. They are used to
support multi-user testing
b. They capture aspects
of user behavior
c. They are the most
frequently used types of CAST tools
d. They are used to
capture and playback user requirements
Which
of the following is not a type of Incremental testing approach?
a. Top-down
b. Big-bang
c. Bottom-up
d. None of the above
In
which type of testing is random data generated for input into the software?
a. Smoke testing
b. Marge testing
c. Fuzz testing
d. Operation testing
Which
of the following is written by a programmer and is meant to call the function
to be tested by passing test data to it?
a. Stub
b. Driver
c. Proxy
Which
of the following types of testing is likely to benefit the most from the use of
test tools that provide the test capture and replay facilities?
a. Integration testing
b. Regression testing
c. System testing
d. User acceptance
testing
Which
of the following statements is incorrect in relation to Test Automation?
a. Test Automation is
the process of writing a computer program to do testing that would otherwise
need to be done manually
b. Test Automation is
the use of software to control the execution of tests and the comparison of
actual outcomes to predicted outcomes
c. Test Automation tools
may provide record and playback features that allow users to interactively
record user actions and replay it back any number of times
d. Test Automation is
the set of procedures used by organizations to ensure that a software product
will meet its quality goals at the best value to the customer
Which
of the following models of software development incorporates testing into the
whole software development life cycle?
a. Agile model
b. Waterfall model
c. V-Model
d. Spiral model
When
a defect is detected and fixed, the software should be retested to confirm that
the original defect has been successfully removed. This is called:
a. Regression testing
b. Maintenance testing
c. Confirmation testing
d. None of the above
What
is the normal order of activities in which software testing is carried out?
a. Unit, Integration,
System, Validation
b. System, Integration,
Unit, Validation
c. Unit, Integration,
Validation, System
d. None of the above
Which
of the following testing occurs outside the development environment?
a. Installation testing
b. White-box testing
c. Module testing
d. Fuzz testing
In
Bottom-up integration testing,
a. Major decision points
are tested in the early phase
b. No drivers need to be
written
c. No stubs need to be
written
d. Regression testing is
not required
Which
of the following is incorrect for Black-box testing?
a. It takes an external
perspective of the test object to derive test cases
b. It is sometimes also
called as Opaque Testing, Functional Testing and Closed Box Testing
c. It uses an internal
perspective of the system to design test cases based on internal structure
Which
of the following options correctly defines the term "test harness"?
a. It is a high level
document describing the principles, approach and major objectives of the
organization regarding testing
b. It is a set of test
activities collected into a manageable phase of a project
c. It is a collection of
software and test data configured to test a program unit by running it under
varying conditions and monitoring its behavior and outputs
d. It is a set of
several test cases for a component or a system under test
What
is the difference between Regression testing and Retesting?
a. Retesting is done by
programmers while Regression testing is done by testers
b. Retesting checks for
unexpected side-effects while Regression testing ensures that the original
fault has been corrected
c. Retesting ensures
that the original fault has been corrected while Regression testing checks for
other unexpected side-effects
d. There is no
difference between Regression testing and Retesting
Which
of the following types of errors are uncovered in White-box testing?
a. Performance errors
b. Logical errors
c. Typographical errors
d. Behavioral errors
The
cursory examination of all the basic components of a software system to ensure
that they work is called:
a. Fuzz testing
b. Black-box testing
c. Sanity testing
d. Smoke testing
Which
of the following statements holds true for Verification and Validation?
a. Verification is used
to check if we are doing the right thing and Validation is used to check
whether we have developed the software as per the client's requirements or not
b. Validation is used to
check if we are doing the right thing and Verification is used to check whether
we have developed the software as per the client's requirements or not
c. Validation tells us
what to test and Verification decides on the methodology to go about testing
the application
d. None of the above
Which
of the following is true about Sanity Testing?
a. A Sanity test is used
to determine if a small section of the application is still working after a
minor change
b. A Sanity test is run
to check if the build of an application is stable and it can be considered for
further testing
c. A Sanity test is the
process of testing to make sure that the older programming still works with the
new changes
d. All of the above are
true
Which
of the following test activities provides the maximum potential cost savings
from the use of Computer-Aided Software Testing (CAST)?
a. Test execution
b. Test planning
c. Test management
d. Test design
What
is the name of the testing method in which (for each pair of input parameters)
all the possible discrete combinations of parameters are passed on?
a. Single testing
b. Pairwise testing
c. Unit testing
d. None of the above
Which
of the following statements is incorrect in relation to Smoke testing and
Sanity testing?
a. A Smoke test is
designed to touch every part of the application in a cursory way whereas a
Sanity test is used to determine if a small section of the application is still
working after a minor change
b. A Smoke test adopts a
shallow and wide approach whereas a Sanity test is a narrow regression test
that focuses on one, or a few areas of functionality. Sanity testing is usually
narrow and deep
c. A Smoke test is
usually unscripted whereas a Sanity test is scripted either using a written set
of tests or an automated test
d. A Smoke test is a
normal health checkup to a build of an application before taking it to in-depth
testing whereas a Sanity test is to verify whether all requirements are met or
not, checking all features breadth-first
From
the options given below which of the dynamic program analysis technique is
aimed at improving application performance?
a. Code complexity
analysis
b. Profiling
c. Network packet
sniffing
d. Spelling and grammar
checking
e. Program slicing
What
would be the appropriate result of a Stress test at its peak?
a. A gradual performance
slow-down leading to a non-catastrophic system halt
b. A gradual performance
improvement leading to a catastrophic system halt
c. A gradual performance
slow-down leading to a catastrophic system halt
d. A gradual performance
improvement to a non-catastrophic system halt
Which
of the following statements is incorrect in relation to Code coverage?
a. It describes the
degree to which the source code of a program has been tested
b. It is a form of
White-box testing
c. It is a form of
Black-box testing
Which
of the following resources are tested by most of the Stress testing tools?
a. Disk space
b. Network bandwidth
c. Internal memory
d. All of the above
Which
of the following is not a part of System testing?
a. Recovery testing and
failover testing
b. Performance, Load and
Stress testing
c. Usability testing
d. Top-down integration
testing
Which
of the following statements about Equivalence partitioning is correct?
a. A software testing
design technique in which tests are designed to include representatives of
boundary values
b. A type of software
testing used for testing two or more modules or functions together with the
intent of finding interface defects between the modules or functions
c. It is the degree to
which the source code of a program has been tested
d. A software testing
technique that divides the input data of a software unit into partitions of
data from which test cases can be derived
Which
of the following is not a Static testing methodology?
a. Code review
b. Inspection
c. Walkthroughs
d. System tests
What
do you understand by the term "Monkey test"?
a. It is random testing
performed by automated testing tools
b. It is used to
simulate the actions a user might perform
c. It is another name
for Monitor testing
From
the following options, choose the best example which represents a reliability
failure for an application:
a. Slow response time
b. Excessive application
consumption
c. Random application
termination
d. Failure to encrypt
data
Choose
the correct description of a Stub in software testing:
a. A Stub is basically
the same as a driver except that it is very fast in returning results
b. A Stub is a dummy
procedure, module or unit that stands in for an unfinished portion of a system
c. A Stub is just a
different name for an Emulator
d. None of the above
Beta
testing is performed by:
a. An independent test
team
b. The software
development team
c. In-house users
d. External users
The
main focus of Black-box testing is:
a. to check for logical
errors
b. to ensure that each
code statement is executed once
c. to test the
functionality of the system as a whole
d. to identify all paths
through the software
What
is Boundary value testing?
a. It tests values at
and near the minimum and maximum allowed values for a particular input or
output
b. It tests different
combinations of input circumstances
c. It is a testing
technique associated with White-box testing
d. Both a and b
Identification
of set-use pairs is accomplished during which of the following static analysis
activities?
a. Control flow analysis
b. Data flow analysis
c. Coding standards analysis
d. Function Point
Analysis
Performance
testing is used for real-time systems only.
a. True
b. False
Which
one of the following is a major benefit of verification early in the software
development life cycle?
a. It allows the
identification of changes in user requirements
b. It facilitates timely
set up of the test environment
c. It reduces defect
multiplication
d. It allows testers to
become involved early in the project
The
testing performed by external organizations or standards bodies to give greater
guarantees of compliance is called:
a. Usability testing
b. Conformance testing
c. Integration testing
d. System testing
In
which of the following testing methodologies does the test case generation use
the system model?
a. Repetitive testing
b. Model testing
c. Modular testing
d. System testing
The
testing phase in which individual software
modules are combined and tested as a group is called:
a. Unit testing
b. Integration testing
c. Module testing
d. White-box testing
In
which of the following testing methodologies does the automatic generation of
efficient test procedures/vectors use models of system requirements and
specified functionality?
a. Repetitive testing
b. Model testing
c. Modular testing
d. System testing
