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Isilon Solutions and Design Specialist Exam for Technology Architects Exam (E20-555) - EMC Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
344 Total Questions
1
Question
A four node F800 Isilon cluster running OneFS 8.2.1 has a dedicated subnet and IP pool for SMB data traffic. SmartConnect Advanced license is applied. The SMB IP pool consists of LACP aggregated. 10GigE interfaces from all the nodes.

What is the maximum number of SmartConnect Service IPs recommended for the SMB subnet?
Options
A 6
B 2
C 1
D 4
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2
Question
Your customer has observed a degradation in response time while browsing for media files within the Production Media folder of the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.

What changes to the Isilon cluster will best accelerate the browsing performance?
Options
A Add A-Series Performance Accelerator nodes
B Add Solid State Drives (SSDs) to the nodes
C Upgrade RAM on the nodes
D Upgrade node access to 10 Gbps
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3
Question
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?
Options
A Isilon OneFS enables each node to be a peer to any other node in an Isilon cluster.
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 clustered architecture deploys standby failover nodes to ensure the highest available solution.
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4
Question
Where is caching for disk blocks staged on an Isilon node?
Options
A CPU
B L2
C L1
D RAID
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5
Question
Using Isilon SnapshotIQ, how many snapshots can be created at the directory level?
Options
A 8
B 96
C 256
D 1024
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