Passing exam with E20-553 latest training materials
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Updated: Jul 23, 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 Price: | $220 USD |
| Real Exam Qty: | 70-81 |
| Related Certifications: | Dell EMC Certified Specialist - Technology Architect |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Passing Score: | 60% |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Choice, Scenario-Based |
| Recommended Training: | Isilon Fundamentals OneFS Administration and Architecture |
| 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: Data Protection and Efficiency | 25% | - FlexProtect and data protection levels - Deduplication, compression, and SmartDedupe - SnapshotIQ and SyncIQ replication - Node failure and SmartFail process |
| Topic 2: Performance, Scalability, and Sizing | 18% | - SmartPools and storage tiering - Caching and latency optimization - Cluster sizing and expansion guidelines - Performance monitoring and tuning |
| Topic 3: Management, Identity, and Protocols | 27% | - Cluster management tools - Role-based administration and RBAC - Supported access protocols (NFS, SMB, HDFS, HTTP) - Access Zones and authentication |
| Topic 4: Isilon Infrastructure and Architecture | 20% | - Isilon cluster hardware and node types - OneFS operating system fundamentals - Cluster networking and SmartConnect - Node pools, tiers, and compatibility |
| Topic 5: Advanced Features and Solutions | 10% | - Isilon use cases and workloads - CloudPools and hybrid integration - Upgrade and migration considerations |
Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:
1. On Isilon node, where is caching for disk blocks staged?
A) CPU
B) L1
C) RAID
D) L2
2. Which protocol does Isilon OneFS integrate with to provide on-access file scan functionality?
A) ICAP
B) HTTPS
C) IANA
D) REST
3. Which Isilon OneFS job is responsible for examining the entire file system for inconsistencies and runs manually?
A) IntegrityScan
B) AutoBalance
C) MediaScan
D) FlexProtect
4. 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) FlexProtect will be activated and data will be protected at the appropriate levels.
B) Cluster will detect the node failure and automatically begin the SmartFail process.
C) OneFS will assume it is a temporary failure and the data will not be protected at the appropriate levels.
D) Nothing. When data protection levels are set appropriately, OneFS will always protect data without manual interaction.
5. Which Isilon feature provides the ability to separate administrative rights from data access rights?
A) RBAC
B) SmartLock
C) SmartConnect
D) SmartQuota
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
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