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EMC DES-1415 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Protection and Integration | - Data lifecycle and efficiency
| |
| Topic 2: PowerScale Management and Advanced Features | 49% | - Data management features
|
| Topic 3: PowerScale Infrastructure | 25% | - Sizing and capacity planning
|
EMC Specialist - Technology Architect, PowerScale Solutions Sample Questions:
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?
Response:
- A. Two
- B. One
- C. Three
- D. Five
Correct Answer: D 🗳️
Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon cluster, with 50% utilized for their video surveillance operations.
They want to upgrade from 15 FPS (NTSC) in H.264 codec, with a 15 days retention policy to 30 FPS (NTSC) in H.264 codec with a 30 days retention policy.
Which storage capacity would be the best suited to meet the required changes and utilize 65-75% capacity?
Response:
- A. 80 TB
- B. 110 TB
- C. 140 TB
- D. 50 TB
Correct Answer: B 🗳️
A customer is experiencing problems writing data to their PowerScale cluster. You have checked all network settings and authentication sources. No errors are reported on the cluster.
Which command can the customer use to collect information about network activity, network packets, and network latency?
Response:
- A. iostats
- B. isi statistics
- C. tcpdump
- D. netstat
Correct Answer: C 🗳️
Refer to the exhibit.
Which tool was used to create this output and which line item counts the metadata read operations occurring in the file service?
Response:
- A. tcpdump and nfsstat
- B. nfsstat and getattr
- C. isi_netlogger and commit
- D. iostat and fsstat
Correct Answer: B 🗳️
Which node type provides CPU, memory, and Fibre Channel connectivity?
Response:
- A. Backup Accelerator
- B. NL-Series
- C. X-Series
- D. Performance Accelerator
Correct Answer: A 🗳️
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