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EMC DES-1415 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| PowerScale Infrastructure | 25% | - Cluster architecture and node types
|
| PowerScale Management and Advanced Features | 49% | - Data management features
|
| Data Protection and Integration | - Data lifecycle and efficiency
|
EMC Specialist - Technology Architect, PowerScale Solutions Sample Questions:
A telecommunications company has a substantial amount of data. This data is being created by network elements within their environment. The company wants to change the way the network elements Call Detail Records (CDR) are stored and analyzed.
The existing infrastructure consolidates all of the CDRs into a table structure, and then ingests them into a large database. Once ingested, a query engine accesses the database and performs analysis on these files.
The system is functional; however, since the amount of CDRs generated will increase exponentially over the next year, the company is open to alternatives for storing and analyzing these records. In evaluating alternatives, the key requirements are to reduce cost, the amount of storage, and the amount of time to analyze the data.
The customer would like to use Hadoop to analyze the CDRs. After you have conducted an assessment of the workflow, you have recommended an Isilon Cluster to work within the Hadoop environment.
Which protocols would be the best fit when using Isilon for this customer's Hadoop workflow?
Response:
- A. NDMP and SCP
- B. CIFS and FTP
- C. SyncIQ and HTTP
- D. NFS and HDFS
A customer is using file pool policies to archive infrequently accessed files to Amazon S3 via CloudPools. How could the customer easily find out how many stub files are stored on the cluster?
Response:
- A. The number of stub files stored on a cluster is not easily available
- B. The isi statistics CLI command can be used to show how many stubs are stored in each node pool
- C. OneFS WebUI can be used to show how many stubs are stored in each node pool
- D. InsightIQ can report the number of stub files stored on the cluster
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?
Response:
- A. Protocols (SMB, NFS, FTP, HTTP, HDFS)Authentication and Directory ServicesPerformance and Latency Concerns
- B. WORM requirementsNetwork ports for replicationSnapshots for user restores
- C. Default Cluster Protection LevelAdditional Directory Level ProtectionsSnapshots and Replication
- D. Default Cluster Protection LevelBackup Windows and ProcessesConcurrency of user access
On Isilon Gen 6 nodes, what is used to store the peer journal copy?
Response:
- A. Shared SSD
- B. Shared NVRAM
- C. M.2 drive
- D. Shared cluster disks
A customer has a requirement for a new solution to handle their growing storage requirements. The solution should have the ability to cover storage needs for the next three years.
The environment consists of 100 TBs of file system data spread across five file systems. On average, the file systems grow 1 TB a month. In addition, they have a large VMware cluster supporting 200 VMs and a highly transactional database.
The customer wants the solution to offer good performance, scalability, manageability, and be cost-effective. The sales team is looking to you to recommend a solution.
Which recommendation will meet the customer's requirements?
Response:
- A. Isilon scale-out and cluster as required
- B. VMAX with FAST VP and a NAS Gateway
- C. VNX for DB and VMware workloads, and Isilon for file system data
- D. VNX Unified platform with FAST Cache
