EMC Isilon Design Specialist Exam for Technology Architects 認定 E20-554 試験問題:

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

2. Refer to the exhibit.

A large hospital chain has approached you to redesign their storage infrastructure. The head of IT believes their requirement is for 100 TB of RAW capacity. They want to consolidate their PACS, file shares and home directories onto one cluster and require very fast enumeration of the directories. The following are the notes from meetings with the department heads.Which is the best cluster configuration that meets the customer's requirements?

A) 3 x S-Series nodes using SmartPools and 3 x NL-Series nodes for Archive
B) 5 x S-Series nodes
C) 3 x NL-Series nodes using SynqIQ to 3 x NL-Series nodes
D) 4 x X-Series nodes using SynqIQ to 4 x NL-Series nodes

3. Your customer has a new business unit. They are gathering web log files to be analyzed. They are using Hadoop to do the analysis of the logs. The IT department is centrally storing the log files on a 5-node Isilon cluster. They have enabled the Hadoop cluster to access the files directly on the Isilon storage. The nodes are X400's with two SSD drives in each node and 96GB of RAM.How many DataNodes does the Isilon cluster have?

A) Five
B) Two
C) Three
D) One

4. Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming. The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which is the appropriate choice to resolve the playback issues?

A) Enable Level 2 caching
B) Enable SmartConnect Advanced
C) Add three or more S-Series nodes
D) Upgrade OneFS to the latest version

5. When designing Isilon solutions, what issues should you pay special attention to?

A) Solutions Document Balance technical and business requirements Provide options Practical vs. theoretical implementations
B) Workflow Document Solutions Document Application types Data strategy
C) Avoid being too enthusiastic over the technology Balance technical and business requirements Provide options Design to meet customer expectations
D) Solutions Document Balance technical and business requirements Downstream hand-off Design to meet customer expectations

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