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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
An Isilon customer has two 5-node clusters; one for production and one for disaster recovery (DR). The customer's workflows are replicated to the DR cluster through SyncIQ on individual schedules. They shutdown their production cluster for a scheduled DR test, failed over to the DR cluster, and continue their DR testing. Assume both clusters have identical shares, exports, and user authentication and that the client applications have been stopped and the DNS re-pointed. What is the correct method to continue production operations?
Options
A Initiate Manual Failback of the SyncIQ Policy
B Revert the SyncIQ Policy
C No change to the SyncIQ Policy
D Initiate Automated Failback of the SyncIQ Policy
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2
Question
What is the minimum size and the maximum size, respectively, of a single pre-Gen 6 node pool?
Options
A 4 and 288
B 3 and 288
C 3 and 144
D 4 and 144
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3
Question
A hospital is considering using Isilon to store their long-term archive data for their GE PACS application. They currently have two million 17 MB studies. They expect capacity requirements to be
50% compounded growth per year. They plan to use N+2:1 protection, and would like this sized for
three years of growth.

Which minimum cluster configuration would meet this customer's environment?
Options
A Three X400 (3 TB drive) nodes
B Four NL400 (2 TB drive) nodes
C Five NL400 (1 TB drive) nodes
D Five X200 (3 TB drive) nodes
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4
Question
Which level of control does RBAC provide for cluster administration roles?
Options
A Object level restrictions
B Domain specific restrictions
C Activity and object level restrictions
D Activity level restrictions
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5
Question
An Isilon customer has set up a replication policy between a primary cluster and a secondary cluster. After the initial synchronization of the clusters, the primary cluster starts to display some issues. The customer initiates a failover operation between the two clusters. During the failover, the primary cluster becomes fully operational again. The customer wants to stop the failover operation between the two clusters.

What is the best way to stop the failover operation and continue using the primary cluster?
Options
A Delete the primary clusters' snapshot of this data
B Initiate a failover revert on the primary cluster
C Nothing; this is an automatic process
D Initiate a failover revert on the secondary cluster
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