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Isilon E20-553 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Maintenance | - System monitoring and alerts - Common cluster issues and resolution - Log analysis and diagnostics |
| Topic 2: Cluster Configuration and Administration | - SmartPools policy management - Initial cluster setup and configuration - Storage provisioning and management |
| Topic 3: Data Protection and Availability | - SyncIQ replication and disaster recovery - Backup integration (NDMP) - Snapshots and snapshot schedules |
| Topic 4: Performance and Scalability | - SmartConnect load balancing - Performance monitoring and tuning - Cluster scaling strategies |
| Topic 5: Data Access and Protocols | - Authentication and identity management integration - NFS and SMB configuration and optimization - Multiprotocol environments |
| Topic 6: Isilon Cluster Architecture (OneFS) | - Data layout and protection mechanisms (erasure coding, mirroring) - OneFS distributed file system fundamentals - Cluster nodes, roles, and architecture components |
Isilon Infrastructure Specialist Exam for Technology Architects Sample Questions:
1. How can an Isilon cluster simplify a Hadoop workflow that analyzes large amounts of log data written to storage using FTP and where results are viewed by Microsoft Windows clients?
A) FTP, SMB, and HDFS NameNode and DataNode protocol support on the same file system enables each workflow step to access data from the same location avoiding data migration.
B) SmartConnect directs clients to an external Hadoop NameNode and to SMB shares so data ingest, analytics, and results phases are transparently directed.
C) SyncIQ migrates the log data between an Isilon cluster and another Hadoop cluster, retrieves results from the Hadoop cluster, and stores them in an SMB share.
D) FTP and SMB protocol support covers log ingest and Windows clients; SmartPools will stub to HDFS helping to reduce the frequency of external data migration.
2. A customer created one month of snapshots consisting of one snapshot every 8 hours for 30 days on an Isilon cluster using SnapshotIQ. The customer is now deleting the snapshots randomly and is experiencing overhead to the cluster. How can the customer remove the snapshots and avoid the overhead caused by the process?
A) Remove the directory
B) Move the snapshot data to a different tier with SmartPools
C) Snapshots cannot be deleted
D) Delete the snapshots in order
3. How many snapshots can be created at the directory level using Isilon SnapshotIQ?
A) 8
B) 96
C) 1024
D) 256
4. When configuring data protection at +2:1 on a 6-node Isilon cluster, what is the overhead impact on the physical capacity?
A) 1/3
B) 1/2
C) 1/5
D) 1/4
5. Which technology is used by Isilon OneFS to re-write data when a disk read fails?
A) Isilon Data Integrity
B) CRC
C) Dynamic Sector Repair
D) NVRAM
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: C |






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