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Last Updated: Sep 23, 2026
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EMC E20-555 Practice Q&A's
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EMC E20-555 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | Isilon Solutions and Design Specialist Exam for Technology Architects |
| Exam Number: | E20-555 |
| Exam Duration: | 120 minutes |
| Related Certifications: | Dell EMC Certified Specialist - Implementation Engineer, Isilon Solutions |
| Certificate Validity Period: | 2 years |
| Available Languages: | English, Chinese, Japanese |
| Real Exam Qty: | 60 |
| Exam Format: | Drag and Drop, Multiple Choice |
| Passing Score: | 60% |
| Exam Price: | $230 USD |
| Recommended Training: | Isilon Solutions and Design for Technology Architects |
| Exam Registration: | Pearson VUE Registration Dell Technologies Education Services |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended to complete Dell EMC training course 'Isilon Solutions and Design for Technology Architects' and have practical experience with Isilon systems |
| Official Syllabus URL: | https://education.dell.com/ |
EMC E20-555 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Isilon Infrastructure | 20% | - Data protection, erasure coding and disk utilization - Node types, pools, compatibility and scalability - OneFS operating system and file system concepts - Isilon cluster architecture and components |
| Topic 2: Networking & Client Access | 20% | - Supported protocols: NFS, SMB, FTP, HTTP, HDFS - Network design, VLANs, routing and SmartConnect - Authentication and authorization mechanisms - Access Zones and multi-tenancy |
| Topic 3: Monitoring, Tools & Advanced Features | 20% | - InsightIQ and isi statistics monitoring - SmartPools and tiered storage strategies - Workload analysis tools: iostat, iperf, tcpdump - RBAC, ZRBAC and job management |
| Topic 4: Data Management & Protection | 20% | - SyncIQ replication and disaster recovery - SnapshotIQ configuration and use cases - Backup, archive and antivirus integration - SmartQuotas, SmartDedupe, and compression |
| Topic 5: Solution Design Process & Sizing | 20% | - Requirements gathering and workload characterization - Performance and latency considerations - Capacity planning and sizing methodologies - File server consolidation and migration planning |
Questions and Answers About the EMC Isilon Solutions and Design Specialist Exam for Technology Architects Exam
The E20-555 exam consists of 60 questions to be answered within 120 minutes minutes. Timed practice under the same constraints is the standard way to make that pace feel comfortable rather than rushed.
The official training options for E20-555 exam candidates include:
Official courses cover the theory; self-paced practice questions cover the application. Together they make a complete preparation loop.
No mandatory prerequisites; recommended to complete Dell EMC training course 'Isilon Solutions and Design for Technology Architects' and have practical experience with Isilon systems
The official outline organizes the E20-555 exam into weighted domains such as:
- Solution Design Process & Sizing (20%)
- Networking & Client Access (20%)
- Isilon Infrastructure (20%)
The EMC Isilon Solutions and Design Specialist Exam for Technology Architects practice questions at SurePassExams follow this same objective map, so every hour of review lands on exam-relevant ground.
The E20-555 exam is the official assessment for the EMC Isilon Solutions and Design Specialist Exam for Technology Architects certification from EMC. It verifies that you can apply the published exam objectives to practical scenarios, and the resulting credential showcases your capacity in a way employers immediately recognize — a concrete step in any all-round self-improvement plan.
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You need 60% to pass the E20-555 exam, and the fee is $230 USD per attempt. Solid preparation before booking is the most cost-effective strategy — practice until your timed scores sit consistently above the passing mark.
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EMC Isilon Solutions and Design Specialist Exam for Technology Architects Sample Questions:
A customer's cluster contains three X200 (24 GB RAM, 3 TB drives) nodes, and three X400 (48 GB RAM, 1 TB drives) nodes. All nodes are configured in a single pool. All data is protected at N+2. After upgrading OneFS to 7.0, the Isilon Web interface indicates that files are not fully protected.
What should be done to correct this situation?
- A. Recreate the original pool using the command line interface
- B. Add two X200 nodes and two X400 nodes
- C. Add 24 GB RAM to each of the X200 nodes
- D. Recreate the original pool using the Isilon Web interface
Correct Answer: A 🗳️
Which node type provides CPU, memory, and Fibre Channel connectivity?
- A. X-Series
- B. NL-Series
- C. Performance Accelerator
- D. Backup Accelerator
Correct Answer: D 🗳️
You are sizing an Isilon Cluster for a new customer. Analyzing their workflow, you determine that they have a small block random read workload.
What is the most important factor to consider when sizing this solution?
- A. Bandwidth
- B. Headroom
- C. IOPS
- D. Latency
Correct Answer: C 🗳️
A customer has a 5 node Isilon cluster. The raw capacity of the cluster is 85% used. On average, the cluster has 4,000 users connected during office hours. The average CPU usage is 65%. The customer needs to delete some data to free up capacity. What should the customer do to minimize the effect of the deletion job?
- A. Run the treedelete job with a high impact and high priority during office hours.
- B. Delete the data from a client directly connected to the cluster
- C. Run the treedelete job with the default impact and priority during out-of-office hours.
- D. Run the treedelete job with a high impact and high priority during out-of-office hours.
Correct Answer: D 🗳️
What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?
- A. 1/4
- B. 1/6
- C. 1/2
- D. 1/5
Correct Answer: D 🗳️
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