Changelog

This page lists, newest first, the errors in notes, questions, explanations and site wording that we found and fixed through reports or review. How we make the content and our review criteria are in How we make this; how to report an error is on the contact page.

• Exam infoCorrected the domains in the SCS-C03 exam guide from the SCS-C02 basis to the C03 basis: Detection 16%, Incident Response 14%, Infrastructure Security 18%, IAM 20%, Data Protection 18%, Security Foundations and Governance 14%; added the ordering and matching question types
• Question fixReclassified the 65 SCS-C03 mock exam questions into the C03 domains, and corrected the domain names and weights shown in the notes to the C03 basis

• Fact correctionCorrected DVA-C02 EBS figures: io1 100GiB max 5,000 IOPS, io2 Block Express consolidation (256,000 IOPS, 99.999% durability), gp3 max 80,000 IOPS and 2,000 MiB/s
• Fact correctionUpdated DVA-C02 Lambda and SQS limits: memory in 1MB increments, 1MB asynchronous payload, 200MB response streaming, scaling by 1,000 per function every 10 seconds, SQS message 1MiB
• Fact correctionCorrected DVA-C02 S3 descriptions: handling of objects under 128KB in Intelligent-Tiering, Express One Zone latency (single-digit ms), presigned URL expiry, Glacier 40KB metadata charge
• Fact correctionCorrected DVA-C02 descriptions of the aud vs. client_id distinction in Cognito tokens, 401 vs. 403 from Lambda authorizers, Graviton1 cores, and DynamoDB internals
• Question fixCorrected DVA-C02 practice questions: the correct option for S3 Express One Zone (under 1ms -> single-digit ms), and replaced the Lambda concurrency scaling question with one that matches current behavior
• Exam infoCorrected the SAP-C02 exam guide: order of domains 3 and 4, ESL extra time of 30 minutes (English exam only), exam provider Pearson VUE, and removed an unsupported description of the scoring method
• Fact correctionUnified the Capital One breach size to about 106 million people and removed an unverified data volume; corrected when IMDSv2 became the default
• Fact correctionCorrected the DOP-C02 SRE quotation source (class SRE implements DevOps), the number of Route 53 routing policies (8), and the question count notation (12 questions per week)
• Question fixReplaced DOP mock exam question #57, whose correct answer was Incident Manager (now closed to new customers), with a Systems Manager OpsCenter question
• Wording fixTranslated the DOP-C02 Week 13 body text into Korean
• Wording fixUnified the Korean rendering of "findings" in SCS-C03 with the term used in the AWS Korean documentation (replaced a transliteration with the translated term)

• Exam infoCorrected the per-question time calculation error in the SAP-C02 exam guide (2 min 6 s -> 2 min 12 s) and the Domain 1 weight (29% -> 26%)
• Fact correctionCorrected the Capital One incident description: the cause (SSRF through a WAF and overly broad role permissions), and distinguished the $80 million OCC penalty from the $190 million class-action settlement (SAA, DVA, SOA, SAP, DOP)
• Exam infoUnified the number of unscored questions in SAP-C02 and DOP-C02 to 10
• Exam infoCorrected the MLA-C01 description that converted the passing score into a percentage of correct answers (it is a scaled score)
• Fact correctionUpdated the DEA-C01 Airflow example from schedule_interval to schedule
• Fact correctionCorrected a contradictory explanation of DeletionPolicy for nested stacks in SOA-C02
• Question fixResolved the multiple-correct-answer problem in Linux Master Level 1 mock exam question 26, and corrected the study-day count (70 days -> 72 days)
• Question fixAWS mock exams (11 tracks): removed the bias of correct options being the longest, fixed the skew toward one answer letter in MLS-C01, and matched question counts to the real exams (65 for SAA, DVA and SOA; 75 for SAP and DOP)
• Question fixCorrected wrong answers in the AWS mock exams: IAM Identity Center identity source (SAP #22), Firehose Parquet conversion (SAP #38), reverting drift (DOP #32), SQS 1 MiB limit (DVA #20), X-Ray instrumentation (DVA #14), XKS (SCS #47), FIPS 140-3 (SAP #16, SCS #54)
• Question fixReflected services closed to new customers: S3 Object Lambda (SCS #55), Incident Manager (DOP #62)
• Wording fixRemoved unverifiable comparative and superlative claims from the home page, and computed the figures from the content data