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Isilon E20-553 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Optimization | - Caching and Performance Tuning - Workload Distribution |
| Isilon Architecture and OneFS Fundamentals | - Scale-out NAS Architecture - OneFS File System Overview - Node Types and Cluster Design |
| Security and Access Control | - Role-based Access and Permissions - Authentication and Authorization |
| Cluster Configuration and Administration | - Cluster Setup and Provisioning - Networking and SmartConnect - Storage Pools and SmartPools |
| Data Protection and Availability | - SnapshotIQ - Backup and Recovery Concepts - Replication and SyncIQ |
| Troubleshooting and Monitoring | - Diagnostics and Logs - System Health Monitoring |
Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:
1. In an Isilon cluster, what is the relative latency of a cache hit to L1 cache versus L2 cache?
A) 10x
B) 25x
C) 2x
D) 5x
2. While configuring Isilon SmartConnect, a customer has determined that their workload primarily consists of short-lived connections, such as HTTP and/or FTP. Which load-balancing policy will provide the most efficient client distribution?
A) Random Selection
B) CPU Utilization
C) Connection Count
D) Round Robin
3. An Isilon customer has a replication policy setup between a primary cluster and a secondary cluster. After the initial synchronization of the clusters, the primary cluster starts to exhibit issues so the customer initiates a failover operation between the two clusters.
During the failover, the primary cluster becomes fully operational again. The customer would like 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?
A) Initiate a failover revert on the secondary cluster
B) Nothing; this is an automatic process
C) Delete the primary clusters' snapshot of this data
D) Initiate a failover revert on the primary cluster
4. On Isilon node, where is caching for disk blocks staged?
A) RAID
B) L1
C) L2
D) CPU
5. 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?
A) Revert the SyncIQ Policy
B) Initiate Manual Failback of the SyncIQ Policy
C) No change to the SyncIQ Policy
D) Initiate Automated Failback of the SyncIQ Policy
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |







