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BDS-C00 Exam Questions & Answers

AWS Certified Big Data - Specialty  •  Amazon

264 Questions 170 min Updated Sep 2026 99% Pass Rate
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Sample BDS-C00 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

A user is planning to host a mobile game on EC2 which sends notifications to active users on either high score or the addition of new features. The user should get this notification when he is online on his mobile device. Which of the below mentioned AWS services can help achieve this functionality?

Correct Answer: A
Q2 MultipleChoice

An Amazon EMR cluster using EMRFS has access to Megabytes of data on Amazon S3, originating from multiple unique data sources. The customer needs to query common fields across some of the data sets to be able to perform interactive joins and then display results quickly.

Which technology is most appropriate to enable this capability?

Correct Answer: A
Explanation:

https://dzone.com/articles/getting-introduced-with-presto

Q3 MultipleChoice

A photo sharing service stores pictures in Amazon Simple Storage Service (S3) and allows application signin using an Open ID Connect compatible identity provider. Which AWS Security Token approach to temporary access should you use for the Amazon S3 operations?

Correct Answer: A
Q4 MultipleChoice

Using only AWS services. You intend to automatically scale a fleet of stateless of stateless web servers based on CPU and network utilization metrics. Which of the following services are needed? Choose 2 answers

Correct Answer: A, D
Q5 MultipleChoice

A social media customer has data from different data sources including RDS running MySQL, RedShift, and Hive on EMR. To support better analysis, the customer needs to be able to analyze data from different data sources and to combine the results.

What is the most cost-effective solution to meet these requirements?

Correct Answer: B
Explanation:

https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-presto.html

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Frequently Asked Questions

The BDS-C00 is the AWS Certified Big Data - Specialty exam that validates expertise in designing and implementing big data solutions on AWS. It tests knowledge of AWS services like Amazon EMR, S3, Redshift, and other data analytics tools.

AWS recommends having 5+ years of hands-on experience with big data technologies and at least 2 years of practical experience implementing big data solutions on AWS. It's strongly suggested to hold an AWS Associate-level certification before attempting this specialty exam.

The exam is 180 minutes long with 65 questions in a multiple-choice or multiple-response format. The passing score is 750 out of 1000, which means you need approximately 72% of the questions correct to pass.

The exam covers domains including collection and storage of big data, processing and analysis, visualization, data security, and cost optimization. It focuses on real-world scenarios involving AWS big data services and best practices for designing scalable data solutions.

The exam costs $300 USD and can be taken multiple times if needed. AWS allows retakes after waiting periods between attempts, with the first retake available after 14 days of the initial exam attempt.
Exam Details
  • Exam CodeBDS-C00
  • VendorAmazon
  • Total Questions264
  • Duration170 min
  • LanguageEnglish
  • Last UpdatedSep 2, 2026
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