DES-1415 by EMC Actual Free Exam Q&As

Question 1

Your customer has observed a degradation in response time while browsing for media files within the Production Media folder of the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.
What changes to the Isilon cluster will best accelerate the browsing performance?
Response:

A. Upgrade RAM on the nodes B. Upgrade node access to 10 Gbps C. Add A-Series Performance Accelerator nodes D. Add Solid State Drives (SSDs) to the nodes

Discussion 0

Correct Answer: D Vote an answer

Question 2

Refer to the exhibit.

A large hospital chain has approached you to redesign their storage infrastructure. The head of IT believes their requirement is for 60 TB of RAW capacity. The following are the notes from meetings with the department heads.
Which is the minimum cluster configuration that meets the customer's requirements?
Response:

A. 3 S-Series Nodes using SmartPools and 3 NL-Series Nodes for Archive B. 4 X-Series Nodes using SynqIQ to 4 NL-Series Nodes C. 5 S-Series Nodes D. 3 NL-Series Nodes using SynqIQ to 3 NL-Series Nodes

Discussion 0

Correct Answer: D Vote an answer

Question 3

There is a requirement to use dynamic link aggregation to maximize throughput and resiliency on a new Isilon cluster servicing SMB and NFS data. What is the recommended configuration for the physical network interfaces?
Response:

A. LACP B. Round robin C. Active/passive failover D. FEC

Discussion 0

Correct Answer: C Vote an answer

Question 4

What key considerations should be kept in mind when designing a 300TB solution?
Response:

A. SmartPools Smartconnect Snapshots Space for snapshots B. Defining class of service Time of day services ROI and TCO Data retention and backup C. Workflow management Defining class of service Time of day services RPO and RTO Data retention and backup D. Always include 2% SSD SmartPools Smartconnect Snapshots InsightIQ

Discussion 0

Correct Answer: C Vote an answer

Question 5

What method does the MediaScan job leverage to locate and clear media-level errors?
Response:

A. MD5 B. CRC C. SHA256 D. FEC

Discussion 0

Correct Answer: B Vote an answer

Question 6

For concurrent I/O, how do SmartCache and Endurant Cache differ?
Response:

A. Endurant Cache waits for acknowledgement from all nodes before copying to L2 cache B. SmartCache uses sub-file, granular locking whereas Endurant Cache locks the entire file C. SmartCache immediately commits the write to NVRAM on the local node and one peer node D. Endurant Cache sends an acknowledgement to the client immediately after mirroring writes in NVRAM

Discussion 0

Correct Answer: D Vote an answer

Question 7

A customer is using Hadoop with direct-attached storage. They are concerned about the cost to build and maintain this infrastructure. What are the benefits of switching to Hadoop with Isilon OneFS?
Response:

A. Independent scaling of compute and storageMulti-protocol access to dataACL-based permissions B. Multi-protocol access to dataIndependent scaling of NameNodesMulti-protocol access to dataKerberos authentication C. Independent scaling of compute and storageIndependent NameNodesKerberos authentication D. Independent scaling of NameNodesRedundant TaskTracker nodes

Discussion 0

Correct Answer: A Vote an answer

Question 8

A customer has a cluster running with a single access zone and serves multiple internal departments. The clients access the cluster over both SMB and NFS protocols. A department user has been assigned the task of auditing SMB activity and enforcing appropriate quotas for certain users.
How should the cluster administrator grant this access?
Response:

A. Create a custom RBAC role B. Create a secondary root account credential C. Provide the AuditAdmin RBAC role D. Provide the SecurityAdmin RBAC role

Discussion 0

Correct Answer: B Vote an answer

Question 9

Which feature of OneFS is used in the Home Directory and File Share vertical to monitor storage and media clients for optimal performance?
Response:

A. Aspera B. InsightIQ C. SmartPools D. SyncIQ

Discussion 0

Correct Answer: C Vote an answer

EMC Specialist - Technology Architect, PowerScale Solutions - DES-1415 Exam Practice Test