Prepare with Isilon E20-553 exam practice material, pass for sure
Updated: Aug 05, 2026
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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: | 70-81 |
| Exam Format: | Multiple Choice, Scenario-Based |
| Exam Price: | $220 USD |
| Available Languages: | English |
| Related Certifications: | Dell EMC Certified Specialist - Technology Architect |
| Certificate Validity Period: | 2 years |
| Passing Score: | 60% |
| Recommended Training: | OneFS Administration and Architecture Isilon Fundamentals |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Isilon E20-553 Sample Questions |
| Exam Way: | Proctored online or onsite at Pearson VUE test centers |
| Pre Condition: | Recommended: Basic knowledge of storage systems, networking, and enterprise NAS solutions; prior experience with OneFS is helpful |
| Official Syllabus URL: | https://education.dell.com/ |
Isilon E20-553 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Performance, Scalability, and Sizing | 18% | - SmartPools and storage tiering - Caching and latency optimization - Cluster sizing and expansion guidelines - Performance monitoring and tuning |
| Topic 2: Data Protection and Efficiency | 25% | - FlexProtect and data protection levels - SnapshotIQ and SyncIQ replication - Node failure and SmartFail process - Deduplication, compression, and SmartDedupe |
| Topic 3: Management, Identity, and Protocols | 27% | - Role-based administration and RBAC - Supported access protocols (NFS, SMB, HDFS, HTTP) - Access Zones and authentication - Cluster management tools |
| Topic 4: Advanced Features and Solutions | 10% | - CloudPools and hybrid integration - Upgrade and migration considerations - Isilon use cases and workloads |
| Topic 5: Isilon Infrastructure and Architecture | 20% | - Node pools, tiers, and compatibility - Cluster networking and SmartConnect - OneFS operating system fundamentals - Isilon cluster hardware and node types |
Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:
1. An Isilon customer created a scheduled SyncIQ policy to replicate data from an Enterprise-mode SmartLock directory. The source cluster becomes unusable. The target cluster does not automatically allow writes to the data in the replicated SmartLock directory.
What is the most likely reason the target cluster did not automatically allow writes of the data into the SmartLock directory?
A) SnapshotIQ was not licensed on the target cluster; the snapshot of the directory is not available for use by SyncIQ.
B) Automated failover and manual failover are not allowed on SmartLock directories on the target cluster.
C) SyncIQ Automated failover is not supported for SmartLock directories; however, manual failover is allowed.
D) A SyncIQ job was running while the source cluster became unusable, thereby removing all data in the target directory.
2. 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) 16 KB
B) 8 KB
C) 32 KB
D) 4 KB
3. An Isilon customer has experienced a node failure which requires that the affected node be permanently removed from the cluster. Upon failure of the node, what will occur in the cluster?
A) OneFS will assume it is a temporary failure and the data will not be protected at the appropriate levels.
B) Nothing. When data protection levels are set appropriately, OneFS will always protect data without manual interaction.
C) Cluster will detect the node failure and automatically begin the SmartFail process.
D) FlexProtect will be activated and data will be protected at the appropriate levels.
4. Which block size does Isilon SyncIQ use to transfer data?
A) 8 KB
B) 2 KB
C) 6 KB
D) 4 KB
5. Which protocol does Isilon OneFS integrate with to provide on-access file scan functionality?
A) HTTPS
B) ICAP
C) REST
D) IANA
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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