Exam Name: Isilon Infrastructure Specialist Exam for Technology Architects
Certification Provider: Isilon
Corresponding Certification: Isilon-Certification
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Isilon Infrastructure Specialist Exam for Technology Architects: E20-553 Exam Premium File as PDF & Test Engine
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Last Updated: Sep 14, 2026
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Tight on time before your E20-553 exam? Fast2test packs 82 focused practice questions for the Isilon Infrastructure Specialist Exam for Technology Architects exam into one download, so every study hour goes straight to what matters. Many candidates are exam-ready in weeks, not months.
Isilon E20-553 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | Isilon Infrastructure Specialist Exam for Technology Architects |
| Exam Number: | E20-553 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60 |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Related Certifications: | Dell Technologies Data Storage Certifications Dell EMC Isilon Certifications |
| Sample Questions: | Isilon E20-553 Sample Questions |
| Exam Way: | Proctored exam delivered through authorized testing centers (typically Pearson VUE) or online proctoring depending on availability. |
| Pre Condition: | Recommended experience with enterprise storage systems, networking fundamentals, and Isilon/OneFS concepts. |
| Official Syllabus URL: | https://education.dell.com |
Isilon E20-553 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Access Control | - Authentication and Authorization - Role-based Access and Permissions |
| Topic 2: Performance and Optimization | - Caching and Performance Tuning - Workload Distribution |
| Topic 3: Troubleshooting and Monitoring | - Diagnostics and Logs - System Health Monitoring |
| Topic 4: Isilon Architecture and OneFS Fundamentals | - OneFS File System Overview - Scale-out NAS Architecture - Node Types and Cluster Design |
| Topic 5: Data Protection and Availability | - Replication and SyncIQ - Backup and Recovery Concepts - SnapshotIQ |
| Topic 6: Cluster Configuration and Administration | - Networking and SmartConnect - Cluster Setup and Provisioning - Storage Pools and SmartPools |
Isilon E20-553 FAQs: What Every Candidate Asks
The E20-553 exam, officially titled Isilon Infrastructure Specialist Exam for Technology Architects, is the qualifying test for the Isilon-Certification certification from Dell EMC, a credential at the Specialist level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as Dell EMC Isilon Certifications, Dell Technologies Data Storage Certifications.
The Isilon Infrastructure Specialist Exam for Technology Architects exam gives you 90 minutes to work through 60 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
Recommended experience with enterprise storage systems, networking fundamentals, and Isilon/OneFS concepts. Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: Dell EMC E20-553 exam overview.
Yes. Fast2test offers a free PDF demo for the Isilon Infrastructure Specialist Exam for Technology Architects exam so you can judge the quality of our questions and answers before paying anything. Every purchase also comes with 365 days of free updates, and once that period expires you can extend your update service at a 50% discount.
Your purchase is protected by a 100% money-back guarantee. If you sit the corresponding E20-553 exam within 60 days of buying and do not pass, send us a scan of your exam enrollment slip together with your official Score Report (PDF) within 2 days of the exam date — the candidate name must match the payer's name — and we will process your full refund within 7 days. Please note that exams taken within 3 days of purchase, materials downloaded without ever sitting the exam, free products, and expired orders are not covered. If you would rather not have a refund, you can exchange your order for two exam products of equal value, free of charge, and keep the update service on your original purchase.
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The Isilon Infrastructure Specialist Exam for Technology Architects syllabus is organized into 6 domains. The main areas include Data Protection and Availability, Isilon Architecture and OneFS Fundamentals, and Performance and Optimization. Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:
A customer is considering moving their NAS data over to Isilon systems. They want to know what limitations Isilon has regarding snapshots. What explanation can be provided to the customer?
- A. No hard limit on snapshots
- B. Limit of 2048 snapshots per directory
- C. Limit of 2048 snapshots per cluster
- D. Limit of 1024 snapshots per cluster
An Isilon customer's administrator created the nested directory structure, shown in the exhibit,
using SmartQuotas. However, a user needs to write an additional 650 GB of data to "/ifs/data/acct/recv".
Which steps will enable the user to complete this task?
- A. Increase the Directory1 Quota to 1350 GB Decrease the user Quota on Subdirectory1 to 1000 GB
- B. Increase the Directory1 Quota to 1400 GB Increase the User Quota on Subdirectory2 to 1000 GB
- C. Decrease the User Quota on Subdirectory1 to 400 GB Increase the Directory1 Quota to 1650 GB
- D. Decrease the User Quota on Subdirectory2 to 650 GB Decrease the Directory1 Quota to 1650 GB
In a supported cluster with the maximum protection level, how many simultaneous node component failures can Isilon OneFS sustain while still allowing full access to the entire file system and dataset?
- A. 2
- B. 4
- C. 3
- D. 1
If a file is 4 KB in size, how much space is consumed for file data when it is written to the Isilon cluster?
- A. 32 KB
- B. 4 KB
- C. 16 KB
- D. 8 KB
When using an N+2 protection policy on a 5-node Isilon cluster, how much capacity will be used to store a 1024 KiB file?
- A. 1280 KiB
- B. 1920 KiB
- C. 1792 KiB
- D. 1024 KiB
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