How to Use Practice Exams to Find Your Real Knowledge Gaps

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1. 11 July 2026 · corrected by Emir Baycan

   4 flagged findings: an unverified quote attributed to Scott Duffy with no verifiable source; an unverified named persona 'David Park' presented as a real AZ-104 candidate case study; an entirely unverified Google Cloud/Coursera corporate case study with unverified precise pass-rate figures (82% vs 54%); an unverified quote attributed to Mike Chapple (real CISSP author) with no verifiable source.

   Before

   "A practice exam score is the beginning of analysis, not the end. The number tells you almost nothing. The distribution of right and wrong answers across domains tells you everything." - Scott Duffy, AWS and Azure certification instructor and author of multiple cloud certification study guides [...] Real-world example: David Park, a systems engineer preparing for the AZ-104 Azure Administrator exam, consistently marked "Azure Load Balancer" as the correct answer [...] [...] When Google Cloud launched its redesigned Professional Cloud Architect exam in 2022, training partner Coursera reported that candidates who took 4-6 practice exams with systematic gap analysis between each had a first-attempt pass rate of 82%, compared to 54% for candidates who took the same number of practice exams but only reviewed their total scores. [...] "The candidates who pass on the first attempt are not the ones who take the most practice exams. They are the ones who extract the most learning from each practice exam they take. One well-analyzed practice exam is worth more than five taken without reflection." - Mike Chapple, Professor, University of Notre Dame, Author of CISSP Study Guide

   After

   A practice exam score is the beginning of analysis, not the end. The number alone tells you very little. The distribution of right and wrong answers across domains tells you far more. [...] Illustrative example: a systems engineer preparing for the AZ-104 Azure Administrator exam might consistently mark "Azure Load Balancer" as the correct answer [...] [...] In general, candidates who take multiple practice exams with systematic gap analysis between each attempt tend to have substantially higher first-attempt pass rates than candidates who take the same number of practice exams but only review their total scores. [...] The candidates who pass on the first attempt are generally not the ones who take the most practice exams. They are the ones who extract the most learning from each practice exam they take. One well-analyzed practice exam is worth more than several taken without reflection.

   Why: Removed an unverified quote attributed to Scott Duffy with no verifiable source; an unverified named persona 'David Park' presented as a real AZ-104 candidate case study; an entirely unverified Google Cloud/Coursera corporate case study with unverified precise pass-rate figures (82% vs 54%); and an unverified quote attributed to Mike Chapple (a real CISSP author) with no verifiable source. De-attributed the Duffy quote, converted the David Park persona to a generic illustrative example, removed the unverified Google/Coursera case study and replaced it with qualitative language about the value of systematic gap analysis, and de-attributed the Chapple quote while preserving the article's separate, legitimate plain-prose reference to his real published recommendation.

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