EMC D-PSC-DS-01: Dell PowerScale Design v2 Exam test questions - Lead2pass pass exam

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EMC D-PSC-DS-01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Workflow and Design Solutions	20%	- Solution Validation 1. Bill of Materials 2. Design Documentation
Topic 2: Sizing and Design Considerations	30%	- Storage Efficiency 1. Deduplication 2. SmartPools 3. Compression - Data Availability and Protection 1. Failure Scenarios 2. Protection Schemes
Topic 3: Network Design for PowerScale	20%	- Connectivity 1. InfiniBand Configuration 2. Ethernet Configuration - Network Topology 1. Internal Cluster Network 2. External Access Network
Topic 4: PowerScale Hardware Concepts and Considerations	30%	- PowerScale Cluster Components 1. Switches and Cabling 2. Node Types (F-series, H-series, A-series) 3. Chassis and Infrastructure - Cluster Sizing and Configuration 1. Performance Requirements 2. Capacity Planning 3. Growth and Scalability

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EMC Dell PowerScale Design v2 Exam Sample Questions (Q279-Q284):

NEW QUESTION # 279
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?

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 use Hadoop to analyze the information directly over HDFS
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 ingest the information into Hadoop with NFS then analyze

Answer: B

NEW QUESTION # 280
When sizing an Isilon cluster for high connection count environments and high streaming I/O rates, which configurable node option is recommended?

A. SSD
B. Disk capacity
C. RAM
D. SAS drives

Answer: C

NEW QUESTION # 281
In your second meeting with the customer you ask the following questions about their current unified SAN and NAS platform. "Are you using an application to map users from NFS Exports to SMB shares? Is each site a separate LDAP or AD Domain?"
What functionality are your trying to understand in their environment and what is the comparable feature in Isilon OneFS?

A. User Management and AD Authentication
B. NFS Export Management and OneFS Cluster Management
C. Identity Mapping and Authentication Sources
D. Kerberos Infrastructure and Identity Management

Answer: C

NEW QUESTION # 282
What should be avoided when designing snapshot schedules?

A. Setting an expiration
B. Running the SnapshotDelete job
C. Using aliases
D. Manual snapshot deletion

Answer: D

NEW QUESTION # 283
What form of journaling redundancy is provided by a PowerScale Gen6 cluster?

A. In the event of a node failure, the peer journal is written to nonvolatile storage on the paired node.
B. Each node maintains a copy of the peer journal. The local journal is saved on battery backed-up storage.
C. Each node maintains a copy of the peer journal. The local journal is saved on nonvolatile storage.
D. In the event of a node failure, the peer journal is written to disk on the paired node.

Answer: C

NEW QUESTION # 284
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