Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
Certification Provider: EMC
Corresponding Certification: EMC Certification
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The E20-555 exam can feel demanding because it tests more than simple recall. In 2026, Actual4dump gives candidates preparing for EMC Isilon Solutions and Design Specialist Exam for Technology Architects a practical way to turn the objectives into 345 structured practice opportunities.
EMC E20-555 Exam Overview:
| Certification Vendor: | Dell EMC (Dell Technologies) |
|---|---|
| Exam Name: | Isilon Solutions and Design Specialist Exam for Technology Architects |
| Exam Number: | E20-555 |
| Exam Duration: | 120 minutes |
| Passing Score: | 60% |
| Related Certifications: | Associate Information Storage and Management (various versions) Specialist - Technology Architect, PowerScale Solutions Version 5.0 (DES-1415) |
| Available Languages: | English |
| Exam Format: | Multiple choice questions, Scenario-based design and architecture questions |
| Real Exam Qty: | 60 |
| Exam Price: | Approximately USD $200 (varies by region/provider) |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Delivered through Pearson VUE testing centres; scheduling may vary by region. |
| Pre Condition: | Recommended experience/knowledge of Isilon solutions and design; Associate level storage certification or equivalent knowledge. |
| Official Syllabus URL: | https://education.dell.com/content/dam/dell-emc/documents/en-us/e20-555_TA_Isilon_Solutions_And_Design_Specialist_Exam.pdf |
EMC E20-555 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Solution Design Process | - Information requirements for Isilon solution design - Sizing and capacity planning considerations |
| Workflow Analysis Tools | - Cluster monitoring with InsightIQ and statistics - Use of tools such as iostat, iperf, tcpdump, Wireshark, NFSstat |
| Isilon Infrastructure and Components | - Nature and use of Isilon nodes and components - Networking, Access Zones and SmartConnect |
| Isilon Advanced Applications and Management | - Job engines, RBAC/ZRBAC and cluster monitoring - Client access, permissions and protocol support - Data services: SyncIQ, SmartQuotas, SmartPools, SmartLock |
| Data Protection and Workload Considerations | - I/O patterns, latency and performance impacts - Data availability, protection and backup/archive workflows |
Frequently Asked Questions for the EMC E20-555 Exam
The E20-555 exam, Isilon Solutions and Design Specialist Exam for Technology Architects, assesses whether a candidate can apply EMC knowledge to the skills measured by this credential. It is associated with the EMC Certification certification. The certification is positioned at the Specialist / Professional level. Related credentials include Associate Information Storage and Management (various versions), Specialist - Technology Architect, PowerScale Solutions Version 5.0 (DES-1415).
The E20-555 exam includes 60 questions and allows 120 minutes. Plan your pacing before exam day rather than calculating it under pressure. Timed sessions with Actual4dump practice tests can help you decide when to flag a difficult item, keep moving, and reserve enough time for a final review.
The published passing score for EMC Isilon Solutions and Design Specialist Exam for Technology Architects is 60%, and the official exam fee is Approximately USD $200 (varies by region/provider). A retake requires budgeting for the full official fee again, so it is sensible to complete several timed practice tests before scheduling. Consistent results across the 345 practice questions can give you a clearer picture of your readiness.
The stated prerequisite information for EMC Isilon Solutions and Design Specialist Exam for Technology Architects is: Recommended experience/knowledge of Isilon solutions and design; Associate level storage certification or equivalent knowledge. Before registering, review the eligibility details on the official exam page to confirm the requirements.
Yes. Actual4dump provides a free PDF demo so you can review the format and quality of the EMC Isilon Solutions and Design Specialist Exam for Technology Architects practice questions before placing an order. Your purchase includes 365 days of free updates, and you can extend the update service after expiration at a 50% discount.
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To apply, submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam. Eligible requests are processed within 7 days. If you prefer an alternative, you may receive two free products of equal value and keep the update service for your original purchase.
Delivery is instant after payment. Your download is also sent to your email within one minute; if it has not arrived within 2 hours, contact customer service. There is no limit on the number of computers on which the material can be installed.
The published EMC Isilon Solutions and Design Specialist Exam for Technology Architects outline contains 5 major domains. The opening domains include:
- Isilon Advanced Applications and Management (official weight not provided)
- Isilon Infrastructure and Components (official weight not provided)
- Workflow Analysis Tools (official weight not provided)
Review the complete Exam Topics section above for every domain and subtopic before planning your study time.
EMC Isilon Solutions and Design Specialist Exam for Technology Architects Sample Questions:
Question 1
A customer plans to deploy N+2:1 protection on a 5-node Isilon cluster. How much capacity will be used to store a 320 KiB file?
A. 448 KiB
B. 576 KiB
C. 640 KiB
D. 320 KiB
Question 2
A company wants to reduce the footprint in their data center. They recently completed a proof of concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have determined that incorporating an Isilon cluster into their Hadoop environment would help in reducing this footprint.
Which Hadoop components can be consolidated onto the Isilon cluster to reduce the footprint?
A. DataNode and ComputeNode
B. DataNode and NameNode
C. ComputeNode and NameNode
D. NameNode and TaskTracker
Question 3
What is the smallest unit of data that Isilon OneFS will write to disk?
A. 8 KB
B. 4 KB
C. 16 KB
D. 128 KB
Question 4
How many files can reference a single block within a shadow store?
A. 32,000
B. 8
C. 512
D. 128
Question 5
In Isilon OneFS, what is the snapshot limit of a directory?
A. 2048
B. 1024
C. 512
D. No limit
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: B |
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