Which of the following statements about the test pyramid is true?
A.
The test pyramid concept is based on the principle of eliminating defects as early as possible in the software lifecycle
B.
The test pyramid emphasizes having more automated tests at the higher test levels and a decreasing number of them at the lower test levels
C.
The test pyramid concept states that every software system consists always of four different test levels (unit, integration, system, acceptance)
D.
The test pyramid consists of four test levels with business-facing tests at the bottom of the pyramid and technology-facing tests at the top
The Answer Is:
A
This question includes an explanation.
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
FromCTFL-AT Syllabus v4.0, Section 4.1The Test Pyramid, it states:
"The test pyramid concept encourages more tests at lower levels (e.g., unit tests), with fewer tests at higher levels (e.g., system or UI tests), in order to find and fix defects as early as possible."
Therefore,Option Ais correct — thetest pyramid supports early defect detectionthrougha high volume of lower-level automated tests.
Option Bis incorrect — thetest pyramid emphasizes more tests at lower levels, not higher.
Option Cis incorrect — Agile doesn't mandate four specific levels in every system.
Option Dmisrepresents the pyramid —technology-facing tests (e.g., unit tests)areat the bottom, not the top.
[References:, CTFL-AT Syllabus v4.0, Section 4.1, Learning Objective (K2) – Understand the purpose of the test pyramid, ===========, ]
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