Interview Questions on Defect Reporting

Interview Questions on Defect Reporting, Defect Reports, Defect Status, Defect Fixing, Defect Tracking, Defect Closing, and Defect Management Tools.

Interview Questions on Defect Reporting

1. What is Defect in Software Testing?

A flaw in a component or system can cause the component or system to fail to perform its required function, e.g. an incorrect statement or data definition. A defect, if encountered during execution, may cause a failure of the component or system.

2) Differentiate Error, Defect, and Failure?

Terminology varies from one phase to another in Software Application Life Cycle

Software Application Life Cycle has 3 phases;

i) Development phase

in the Development phase, if developers find any mismatch they call it an Error or mistake

ii) Testing phase

In Testing phase if Testers find any mismatch they call it as Defect or Bug or Fault

iii) Production phase

In Production phase if Customers or End Users find any mismatch they call it as Failure

3) Give a sample Defect report template?

A Sample Defect Report Template:
—————————————-
1) Defect ID: Unique No or Name
2) Description: Summary of the defect
3) Feature: Module / Function / Service , in these module TE found the defect
4) Test Case Name: Corresponding failing test condition
5) Reproducible (Yes / No): Yes -> Every time defect appears during test execution
No -> Rarely defect appears
If Yes, attach test procedure:
If No, attach snapshot & strong reasons:
6) Status: New / Reopen
7) Severity: Seriousness of defect w.r.t functionality (high / medium / low)
8) Priority: Importance of the defect w.r.t customers (high / medium / low)
9) Reported bug: Name of Test Engineer
10) Reported on: Date of submission
11) Assign to: Name of the responsible person in development team -> PM
12) Build Version ID: In which build, Test Engineer fount the defect
13) Suggested fix (Optional): Tester tries to produce suggestion to solve this defect
14) Fixed by: PM or Team Lead
15) Resolved by: Developer name
16) Resolved on: Date of solving By Developers
17) Resolution type: check out in next page
18) Approved by: Signature of Project Manager (PM)
——————————————————–
Note: Defect Report Template may vary from one company to another and one project to another

4) What is the producible defect?

If a Defect is appearing every time (in every execution) then that Defect is a producible defect, we can provide steps for locating it.

5) What is not a reproducible defect?

If a Defect is some time times only appearing then that Defect is not a producible defect, we have to provide proof (snapshots or database dumps) for locating it.

6) What are the different types of Status of Defects?

Status of Defects
New: Tester provides new status while Reporting (for the first time)
Open: Developer / Dev lead /DTT opens the Defect
Rejected: Developer / Dev lead /DTT rejects if the defect is invalid or defect is duplicate.
Fixed: Developer provides fixed status after fixing the defect
Deferred: Developer provides this status due to time etc…
Closed: Tester provides closed status after performing confirmation Testing
Re-open: Tester Re-opens the defect with valid reasons and proofs

7) Explain about Defect Life Cycle?

Defect Life Cycle
——————
Different Flows of the Defect
a) New > Opened > Closed
b) New > Opened > Closed
c) New > Opened > Fixed > Re-Opened > Fixed > Closed
d) New > Opened > Deferred
e) New > Opened > Rejected > Re-Opened > Fixed > Closed
Etc…

8) What is Defect Management?

The process of recognizing, investigating, taking action, and disposing of defects. It involves recording defects, classifying them, and identifying the impact.

Some companies use Manual Process (Excel workbook), and some companies use Tool-based process for Defect Management.
Tools Examples:
Bugzilla / Issue-Tracker / PR-Tracker/Jira / Quality Center etc…(anyone)

9) What is Defect Management Tool?

A tool that facilitates the recording and status tracking of defects and changes. They often have workflow-oriented facilities to track and control the allocation, correction and re-testing of defects and provide reporting facilities.

10) What is Defect Deduction Percentage (DDP)?

The number of defects found by a test phase, divided by the number found by that test phase and any other means afterward.

11) What is the Defect Reporting Process?

Defect Reporting Process may vary from one company to another
Defect Reporting Process
————————
The defect Reporting Process varies from one company to another.
a) Small scale Company
Tester -> Developer
b) Medium-scale Company
Tester -> Test Lead -> Development Lead -> Developer
c) Large scale Company
Tester -> Test Lead -> DTT -> Development Lead -> Developer

12) What is Defect Masking?

An occurrence in which one defect prevents the detection of another.

13) What is Defect Density?

The number of defects identified in a component or system is divided by the size of the component or system (expressed in standard measurement terms, e.g. lines-of-code, number of classes, or function points).

14) What is Defect Based Test Design Technique?

A procedure to derive and/or select test cases targeted at one or more defect categories, with tests being developed from what is known about the specific defect category.

15) What is Defect Report?

A document reporting on any flaw in a component or system that can cause the component or system to fail to perform its required function.

Interview Questions on Defect Reporting


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