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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Your customer purchased an Isilon cluster with eight X400 nodes for Home Directories. Your follow-up discussions have uncovered an opportunity to expand the cluster to support the Legal Department. As you prepare to complete the Workflow Profile Document, you meet with the customer to discuss data protection.
Which key areas should you address?

A) Protocols (SMB, NFS, FTP, HTTP, HDFS) Authentication and Directory Services Performance and latency concerns
B) Default cluster protection level Additional directory level protections Snapshots and replication
C) WORM requirements Network ports for replication Snapshots for user restores
D) Default cluster protection level Backup windows and processes Concurrency of user access

2. Refer to the exhibit.

Which tool was used to create this output and what is the most significant characteristic?

A) nfsstat and write-intensive access
B) isi_netlogger and moderate metadata read operations
C) iostat and write-intensive access
D) nfsstat and read-intensive access

3. A customer plans to consolidate 200 TB of digital images and video content. Performance is important for recently created files. However, the customer wants any content that has not been accessed within 30 days to be stored in the cluster at a much lower cost because performance is no longer critical.Which Isilon configuration should be recommended?

A) S-Series nodes, X-Series nodes, and SmartPools
B) X-Series nodes, NL-Series nodes, and SmartPools
C) NL-Series nodes and SmartLock
D) X-Series nodes and SmartQuotas

4. A hospital is considering using Isilon to store their archived medical images and genomic sequencing data. They currently have 56 TB of PACS images and 24 TB of genomic data, and expect to double their capacity requirements this year. They will replicate to a DR cluster, and plan to use N+2 protection. The production workload needs to be run at either site.
Which minimum cluster configuration, at each site, including software, would meet this customer's environment?

A) Five X400 (2 TB drives) nodes with SyncIQ.
B) Seven X200 (3 TB drives) nodes with SyncIQ and SnapshotIQ
C) Four NL400 (3 TB drives) nodes with SyncIQ.
D) Five X400 (2 TB drives) nodes with SnapshotIQ.

5. Refer to the exhibit.

You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?

A) It is mostly sequential reads.
B) It contains mostly random writes.
C) It uses large read requests.
D) It is metadata intensive.

Solutions: