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: Jul 22, 2026
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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 Infrastructure Specialist Exam for Technology Architects Sample Questions:
1. 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
2. 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
3. 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
4. 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
5. 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
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: C |
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