Isilon E20-553 : Isilon Infrastructure Specialist Exam for Technology Architects

Exam Code: E20-553

Exam Name: Isilon Infrastructure Specialist Exam for Technology Architects

Updated: Aug 25, 2026

Q & A: 82 Questions and Answers

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Isilon E20-553 Exam Syllabus Topics:

SectionWeightObjectives
Advanced Features and Solutions10%- CloudPools and hybrid integration
- Isilon use cases and workloads
- Upgrade and migration considerations
Isilon Infrastructure and Architecture20%- Node pools, tiers, and compatibility
- OneFS operating system fundamentals
- Cluster networking and SmartConnect
- Isilon cluster hardware and node types
Management, Identity, and Protocols27%- Cluster management tools
- Supported access protocols (NFS, SMB, HDFS, HTTP)
- Role-based administration and RBAC
- Access Zones and authentication
Data Protection and Efficiency25%- Node failure and SmartFail process
- SnapshotIQ and SyncIQ replication
- Deduplication, compression, and SmartDedupe
- FlexProtect and data protection levels
Performance, Scalability, and Sizing18%- SmartPools and storage tiering
- Performance monitoring and tuning
- Caching and latency optimization
- Cluster sizing and expansion guidelines

Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:

1. 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) 1
B) 3
C) 2
D) 4


2. When configuring Dynamic IP Address Allocation in Isilon SmartConnect, which policy setting needs to be determined?

A) Static
B) Dynamic
C) Load-Balancing
D) Rebalance


3. Traditional NAS storage architecture deploys simple two-way failover between two controllers in their storage systems, such as highly-available configurations. How is the Isilon architecture different in terms of system resiliency and availability?

A) Isilon clustered architecture deploys standby failover nodes to ensure the highest available solution.
B) Isilon solutions can enable failover to other nodes with the use of client-side drivers.
C) Isilon OneFS enables each node to have a designated partner node for simple failover between the pair.
D) Isilon OneFS enables each node to be a peer to any other node in an Isilon cluster.


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) 8 KB
C) 4 KB
D) 16 KB


5. A customer wants to consolidate approximately 300 TB of home directory servers and shared file systems used by development and test groups. A key requirement is to prevent the development and test systems from consuming all free capacity and impacting home directory content.
Which Isilon configuration should be proposed?

A) S-Series nodes with InsightIQ
B) NL-Series nodes with SmartQuotas
C) X-Series nodes with SmartQuotas
D) X-Series nodes with SmartPools


Solutions:

Question # 1
Answer: D
Question # 2
Answer: D
Question # 3
Answer: D
Question # 4
Answer: B
Question # 5
Answer: C

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