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| Certification Vendor: | iSQI (International Software Quality Institute) |
|---|---|
| Exam Name: | Certified Big Data Foundation Level |
| Exam Number: | CDFL |
| Certificate Validity Period: | Valid indefinitely |
| Exam Price: | Approx. $180–$250 USD / €160–€220 EUR (varies by region) |
| Available Languages: | German, English |
| Real Exam Qty: | 40 |
| Exam Duration: | 60 minutes |
| Passing Score: | 65% |
| Exam Format: | Multiple-choice questions |
| Recommended Training: | iSQI Accredited Training Providers |
| Exam Registration: | Pearson VUE Testing iSQI Official Registration |
| Exam Way: | Online remote proctored or at authorized test centers (Pearson VUE / iSQI network) |
| Pre Condition: | No formal prerequisites; basic IT knowledge recommended |
| Official Syllabus URL: | https://isqi.org/ |
| Section | Weight | Objectives |
|---|---|---|
| Data Analysis & Visualization | 15% | - Basic statistical and analytical concepts - Visualization principles and tools - Exploratory data analysis |
| Data Management & Processing | 20% | - Batch vs real-time processing - Data ingestion, integration, and cleansing - Data governance, quality, and security |
| Big Data Architecture & Technologies | 25% | - Processing tools: Spark, Hive, Pig - NoSQL databases types and use cases - Hadoop ecosystem (HDFS, MapReduce, YARN) - Distributed systems and frameworks |
| Data Sources & Types | 15% | - Internal and external data sources - Structured, semi-structured, unstructured data - Data formats and storage considerations |
| Ethics & Best Practices | 5% | - Common pitfalls and best practices - Data privacy and compliance |
| Big Data Fundamentals | 20% | - Definition and characteristics of Big Data - Business drivers and use cases - The 5 Vs of Big Data |
ISQI Big Data - Foundation Level is an official iSQI (International Software Quality Institute) exam, catalogued under the code CDFL. Passing it awards the Big Data - Foundation Level certification at the Foundation level. Qualifying exams exist to prove ability in a measurable way, and this one proves yours against the vendor's own standard.
ISQI Big Data - Foundation Level gives you 40 questions and 60 minutes to answer them. Treat time as a resource to allocate, not a countdown to fear: rehearse full sessions in the ValidDumps test engine, practice skipping and returning, and build the calm familiarity that lets your actual knowledge show up on exam day.
Passing ISQI Big Data - Foundation Level takes 65%, and the official fee is Approx. $180–$250 USD / €160–€220 EUR (varies by region). Retakes cost the full Approx. $180–$250 USD / €160–€220 EUR (varies by region) again, which makes verified readiness the cheapest insurance there is. Track your ValidDumps practice scores across sessions and book the exam only when clearing the requirement has become your baseline, not your best day.
No formal prerequisites; basic IT knowledge recommended
Since vendor requirements are revised periodically, confirm the current conditions before registering on the official exam page.
Registration for ISQI Big Data - Foundation Level runs through the official channels below.
One scheduling note: the exam is delivered Online remote proctored or at authorized test centers (Pearson VUE / iSQI network).
iSQI (International Software Quality Institute) recommends the following training for ISQI Big Data - Foundation Level candidates.
Whichever path you choose, reinforce it with the 0 practice questions in the ValidDumps CDFL package, because exam confidence is built by answering, not just reading.
Yes. ValidDumps provides a free PDF demo of the ISQI Big Data - Foundation Level material, so the product can earn your trust before it earns your money. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
Your purchase carries a 100% money-back guarantee with defined conditions. Take the ISQI Big Data - Foundation Level exam within 60 days of purchase; if you fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are not eligible, and neither are downloaded-but-unused products, free materials, or expired orders; the candidate name must match the payer name. File with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. If you prefer, exchange instead: two other exam products of equal value, free, with the update service on your original purchase retained.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service. Installation is unlimited across your computers.
The ISQI Big Data - Foundation Level exam is divided into 6 domains. The most prominent are Data Analysis & Visualization (15%), Data Management & Processing (20%), and Ethics & Best Practices (5%). The complete outline is above on this page; candidates who know the map waste far less time getting to the destination.
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