C857 Pre-Assessment Test Questions and answers, 100% Accurate, VERIFIED.
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Course
C857
Institution
C857
C857 Pre-Assessment Test Questions
and answers, 100% Accurate, VERIFIED.
1. Management has requested that the development team have a moderator review their newest
module of code.Which type of review is being asked for?
A. Walkthrough
B. Informal
C. Inspection
D. End User - -C. Inspection
...
C857 Pre-Assessment Test Questions
and answers, 100% Accurate, VERIFIED.
1. Management has requested that the development team have a moderator review their newest
module of code.Which type of review is being asked for?
A. Walkthrough
B. Informal
C. Inspection
D. End User - ✔✔-C. Inspection
"Walkthrough" is incorrect because code walkthroughs do not typically have a moderator. "End user" is
incorrect because end users tests (also known as usability tests) do not typically have a moderator.
"Informal" is not the best answer because it is too inprecise. While code walkthroughs, code inspections,
and end-user tests are all informal techniques, only code inspections use a moderator."Inspection" is
the right answer because it should always use a moderator during the review.See sections 3.1 and 3.2 in
the WGU C857 online learning materials.
2. An informal review of a module of code has been completed. The development team has decided to
evaluate the module from an end user perspective.Which method should be used to determine if the
code meets quality standards?
Human
Black Box
Inspection
White Box - ✔✔-Black Box
"Human" is incorrect because it is too general human testing might or might not be from an end user
perspective. "Inspection" is incorrect because inspection tests examine code, which is not an end user
perspective. "White box" is incorrect because white box also consider code logic, which is not an end
user perspective."Black box" is the best answer because it is the only choice left and also because black
,box testing does not consider code logic, which can be an end user perspective. Note that developers
can and should try to apply an end user perspective as they develop.See section 2.2 in the WGU C857
online learning materials.
3. There is a requirement to verify the usability of a product as it is being delivered to ensure overall
design and functionality without regard to the internal functioning of the code. Which quality method
meets this requirement?
Code inspection
Black box testing
White box testing
Peer reviews - ✔✔-Black Box Testing
"Code inspection" is incorrect because that examines internal code functioning. "White box testing" is
incorrect because that also examines internal code functioning. "Peer reviews" is incorrect because that
also examines internal code functioning (peers are usually other developers). "Black box testing" is the
correct answer because it is the only choice that does not examine internal code functioning.See section
2.2 in the WGU C857 online learning materials.
4. QA proposes a formal group meeting where the programmer narrates, statement by statement, the
logic of a program as an error detection technique. Which quality method meets this proposal?
Peer review
Black box testing
Code inspection
Grey box testing - ✔✔-Code Inspection
* Peer Review: Peer reviews are not formal, they are informal.* Black box testing. Black box testing does
not examine code.* Grey box testing. Grey box testing does not generally consider code (although it
might consider code documentation).Correct:* Code inspection: Code inspections are formal inspections
of code statements.See "Testing Fundamentals chapter 3".
, 5. A program's state changes from what is expected.Which practice should be applied to find the
location of the defect?
Backtracking
Induction
Deduction
Error Analysis - ✔✔-BackTracking
* Induction: Inductive debugging moves from details to a general problem hypothesis, but it does not
find exact code locations.
* Deduction:
* Error Analysis:
Correct:
* Backtracking: Backtrack debugging works backwards from the code location where the bug was first
noticed to the code location where the cause of the problem was first introduced.
See "Testing Consideration" learning materials sections 8.2, 8.3, 8.4.
6. A web developer or QA tester encounters an error. What is the best practice to initiate resolution of
this error?
Brute force debugging
Deduction
Reproducing the error
Induction - ✔✔-Reproducing the error
See "Best Practices" chapter 2.
7. Which action should a developer take after receiving an email from a QA tester stating that the
application under test is not working?
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