EMC DES-1415 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: PowerScale Hardware Installation | 12% | - Node Initialization
|
| Topic 2: Configuration and Implementation | 25% | - Protocols
|
| Topic 3: Cluster Administration and Data Services | 25% | - System Management
|
| Topic 4: PowerScale Software Concepts | 18% | - OneFS Architecture
|
| Topic 5: PowerScale Hardware Concepts | 20% | - Node Types and Models
|
EMC Specialist - Technology Architect, PowerScale Solutions Sample Questions:
Question #1
A telecommunications company has a substantial amount of dat
a. 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.
What would be the best recommendation to the customer for the workflow of Hadoop with Isilon?
Response:
A. Copy the CDRs from the source to an Isilon cluster with NFS, then use Hadoop to analyze the information directly over HDFS
B. Write the CDRs directly to an Isilon cluster with an NFS mount, then ingest the information into Hadoop with NFS then analyze
C. Copy the CDRs from the source to an Isilon cluster with NFS, then ingest the information into Hadoop for analysis
D. Write the CDRs directly to an Isilon cluster with an NFS mount, then use Hadoop to analyze the information directly over HDFS
Question #2
Which license is a prerequisite for enabling CloudPools?
Response:
A. FilePools
B. DiskPools
C. NodePools
D. SmartPools
Question #3
What is the shortest RPO for a SyncIQ policy?
Response:
A. 15 minutes
B. Last successful sync
C. 15 seconds
D. 0 seconds (synchronous)
Question #4
A large financial services company requires a capacity expansion for retaining over 2.5 PB of document images as a cold archive. Which Isilon node series should be recommended?
Response:
A. X410 Series
B. X210 Series
C. NL410 Series
D. HD400 Series
Question #5
A PowerScale cluster has four A200 nodes with 15, 12 TB HDDs each. VHS is specified as four virtual drives or 15 percent of the node pool. Which configuration would be used as reserved space for VHS?
Response:
A. 15% in the node pool plus 4 virtual drives
B. 15% of the total space in the node pool
C. 4 virtual drives in the cluster
D. 4 virtual drives for each node in the cluster
Solutions:
| Question #1 Answer: D | Question #2 Answer: D | Question #3 Answer: B | Question #4 Answer: D | Question #5 Answer: B |
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