EMC Dell EMC Certification DES-1415

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EMC Specialist - Technology Architect, PowerScale Solutions Sample Questions:

1. Which provider supports authentication and lookup facilities for local users and groups that have been defined and are maintained on the cluster?
Response:

A) File
B) AD
C) NIS
D) Local

2. A company wants to have their new Gen 6 Isilon cluster benchmarked for a UNIX environment. What commonly available open source tool is typically used to test an Isilon cluster's performance in this environment?
Response:

A) Iometer
B) sar
C) Perfmon
D) IOZone

3. How is data spread across multiple nodes as during a write on a PowerScale cluster?
Response:

A) Protection group
B) FEC stripe unit
C) Protection policy
D) Storage pool

4. You meet a customer for the first time. They explain that their current environment for NAS does not meet their needs. You want to make sure that Isilon is a good fit for their needs. What would be a good prequalifying question to ask?
Response:

A) What Applications access this storage?
B) Are you using a KVM to access your storage?
C) How many NICs do your clients have?
D) What type of racks are in your datacenter?

5. Your customer manages a print media environment, consisting of three Isilon clusters, which are out of support. The customer would like to have access to new software releases and feature sets. You have been asked to perform a full discovery of the customer's environment.
The customer's current Isilon clusters are as follows:
"Cust" (12 x 12000X) serves as upload media storage for different tenants.
"Working" (8 x 12000X + 6 x X200) serves as a working zone for extraction to RAW and printing media from it.
"Archive (16 x 72NL + Accelerator nodes) is used to store printed content for six months.
The customer operates in a Windows environment using SMB 2.0, two DNS servers per AD forest, three forest domains which are servicing three different environments. All servers are operating on a 1Gb network, three VLANs segregating the DEV/QA/PROD environments. Currently, there is no monitoring in place for performance measurement or optimization.
The requirements for this solution include:
- Better ROI and TCO
- Maintain same performance with possible improvements
- Renew HW/SW and get inclusive support
- Limit migrations
- Reduce space, power, cooling consumption
- Get new feature sets
- If migration required, use Parallel copy (multiple nodes, multiple threads multiple connections)
- Segregate tenant shares from other tenants
- Expand up to 1PB of total storage
What would you recommend be done to consolidate the three clusters into one?
Response:

A) - Build a new cluster for consolidation- Use SnapshotlQ to migrate the existing data onto the new consolidated cluster- Spoof DNS to point to the new cluster
B) - Expand the largest and most I/O intensive cluster using SmartFail- Consolidate the remaining two clusters using Multithreaded version of RoboCopy- Modify A-Record and propagate to all DNS servers to point to the new cluster
C) - Expand the largest and most I/O intensive cluster using SmartFail- Consolidate the remaining two clusters using SyncIQ
D) - Leave the clusters as is- Upgrade drive sizes to meet the customer requirements

Solutions: