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1. Which Isilon tool can be run from the cluster to display Isilon statistics such as CPU activity?

2. What is a correct statement concerning InsightIQ, excluding FSA?

3. A customer has two Isilon clusters in an Active-Passive setup. The customer has latency sensitive media editing workflows. Most of the media editing work occurs prior to broadcasting between 7:00-8:00, 11:00- 12:00, 17:00-18:00 and 19:00-20:00.

What should be recommended to minimize the risk of including latency to the client workflow?

4. During initial configuration of a PowerScale cluster, OneFS creates a network using the default internal network interface without a failover option.

What is the default back-end network interface used?

5. How are clients, L1 cache, L2 cache, and disks interconnected?

6. Which type(s) of data is predominately associated with home directories and file shares?

7. A customer has two PowerScale clusters. Cluster1 has eight H700 nodes, and Cluster2 has twelve A300 nodes. The customer wants to monitor real-time performance data of both clusters and track file growth.

Which tool should be recommended?

8. A customer has a 2 GB file that is tiered to the cloud by CloudPools. The Isilon cluster is running OneFS 8.1.2. Approximately how many cloud data objects will be created for this file?

9. Which feature will provide data immutability without the ability for the administrator to delete the files under any condition?

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

11. One of your customers is interested in a PowerScale Gen6 solution. They have provided basic solution requirements, but their security policies do not allow them to perform detailed data collection for infrastructure and workload analysis.

Which tool should you use to design the new PowerScale solution?

12. Which Isilon Gen 6 node models can use only L3 cache?

13. A large hospital organization is looking for a vendor neutral archive solution for their imaging data. When proposing an Isilon solution, which benefits should be discussed?

14. A potential customer has a requirement for 4 PB of usable capacity to store media files. Their data center has limited physical space, so efficient use of that space is important. However, the customer is concerned about using 3 TB or larger drives because of rebuild times.

How does an Isilon cluster address this customer's concern?

15. Where does SmartCache stage its write cache?

16. Following Dell best practices, at what capacity consumption should an organization begin the process of ordering more nodes to add to a cluster?

17. What are characteristics of the streaming data access pattern on a PowerScale Gen6 cluster?

18. Which SmartConnect policies are used for workloads that have short lived connections such as HTTP and FTP?

19. When a Gen 6 Isilon cluster receives a file to be stored, which node(s) performs the FEC calculation?

20. By default, which method is used by Isilon OneFS for SSDs?

21. In an NFSv3 only environment, what is the recommended limit for active NFSv3 connections, per Isilon node?

22. A large manufacturing company is an existing Isilon customer with a cluster consisting of four NL400 nodes with 4TB drives. The cluster is using N+2:1 protection level and the file system shows that it is 60% utilized. Home directories and file shares comprise 75% of the existing content and the remainder is inactive deep archive. The company has 1,000 employees using Windows and Mac clients participating in a single Active Directory (AD) forest.

During a meeting with the CIO and Director of IT you discuss the company's recent acquisition - an engineering firm that specializes in Computer Aided Design (CAD). The engineering firm has 400 UNIX workstations that produce technical drawings which are currently stored on another vendor's SAN solution. The all UNIX environment uses NIS for authentication and name resolution. They do not currently use DNS or LDAP. The engineering company has an old storage system that has been experiencing problems and the CIO would like you to migrate the data onto the Isilon cluster. The CIO would like to eliminate all tape and recover the data onto disk.

The CIO is concerned about security of the company's intellectual property, especially with the rapid adoption of mobile devices and external cloud content sharing services such as DropBox, Egnyte, and SugarSync. They would like to implement an alternative that provides external file sharing and mobile device synchronization while maintaining security control over the company's data.

The Director of IT reports that users are storing non-work related content on the Isilon cluster. They would like to limit the amount of capacity that each user can consume in their home directory and want to ensure you provide the capability to easily visualize which users are over their allotment. The company's Windows users currently leverage Windows Shadow Copy to recover files that have been accidentally deleted. The IT department wants to ensure that Mac and incoming UNIX clients have the same functionality.

The Director of IT also mentions that users are reporting slow response times when browsing their home directories and shared folders. They are concerned that Isilon cannot scale to support their combined requirements.

The customer provides the following environment summary from the engineering firm's recently departed IT staff:

- 20 TB of Home Directory data

- 100 TB of active CAD projects

- 400 TB of archived data stored on tape at an offsite warehouse

The CIO approaches you with a new requirement. They would like to reuse the tape library that was previously used for archiving to now be used to back up some of their data.

What do you recommend to the Director of IT as the best architecture to achieve this goal?

23. You have received a critical task that requires immediate analysis of system performance. Captured data will later be processed by MiTrend, but a current assessment is not available.

Which utility will quickly provide IOPS associated with reads and writes, CPU utilization, and I/O scheduler wait time?

24. You are sizing a PowerScale Gen6 cluster for a small organization that is concerned about the availability of the journal during an extended power outage.

What is a consideration when sizing?

25. What is the sector size of an Isilon 8 TB drive?

26. A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.

The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.

The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content compositing as needed.

The network expects 70 hours of new content per week, and 50 hours of edited content per week. They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.

In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM requirements.

The customer wants to be able to put completed content into a non-editable folder. However, they want to give access to an administrator to delete content if required.

What do you recommend to the customer?

27. Your customer's site uses an old X-Series cluster, and they are interested in consolidating their two primary workflows. iostat shows that one of the applications is sensitive to latency, while isi statistics indicates sensitivity to disk response times. There are approximately 1000 users accessing 70 TB of file data.

Which node type would you recommend?

28. A customer has 1,000 at 2 KB files, 5,000 at 4 KB files, and 4,000 at 7 KB files. They want to know the total amount of space on disk with a requested protection level of N+2d:1n.

How much on-disk space will be consumed for the data and protection overhead, excluding metadata?

29. When installing nodes into a Dell EMC rack, which node type requires the use of a Titan-HD rack?

30. Which data access pattern uses moderate prefetching?

31. A customer wants to replace a legacy storage environment used for high definition video editing. Each workstation connecting to the shared storage needs to sustain 650 MB/s of single stream bandwidth.

Which node type is recommended?

32. Which tool is used to perform a cluster-wide kernel configuration change on an Isilon Gen 6 cluster?

33. A new customer is interested in an Isilon Gen 6 solution to replace their sprawling and outdated Linux environment.

Which client tool should you use to establish an estimate of the workload and pattern as an input to the sizing process?

34. We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 IIlumina Hi-Seq Sequencers and an HPC cluster to process data.

They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster. The customer has a limited budget.

What would be the best price/performance solution for their active data?

35. Where does Endurant Cache stage its write cache?

36. What is an accurate statement concerning shared journals on node pairs?

37. What must be configured on a PowerScale in order to store only the customer presentation PPT and PDF files on the cluster and the external repository?

38. What is the behavior of the Isilon time and date settings and what is the best practice?

39. A large manufacturing company is an existing Isilon customer with a cluster consisting of four NL400 nodes with 4TB drives. The cluster is using N+2:1 protection level and the file system shows that it is 60% utilized. Home directories and file shares comprise 75% of the existing content and the remainder is inactive deep archive. The company has 1,000 employees using Windows and Mac clients participating in a single Active Directory (AD) forest.

During a meeting with the CIO and Director of IT you discuss the company's recent acquisition - an engineering firm that specializes in Computer Aided Design (CAD). The engineering firm has 400 UNIX workstations that produce technical drawings which are currently stored on another vendor's SAN solution. The all UNIX environment uses NIS for authentication and name resolution. They do not currently use DNS or LDAP. The engineering company has an old storage system that has been experiencing problems and the CIO would like you to migrate the data onto the Isilon cluster. The CIO would like to eliminate all tape and recover the data onto disk.

The CIO is concerned about security of the company's intellectual property, especially with the rapid adoption of mobile devices and external cloud content sharing services such as DropBox, Egnyte, and SugarSync. They would like to implement an alternative that provides external file sharing and mobile device synchronization while maintaining security control over the company's data.

The Director of IT reports that users are storing non-work related content on the Isilon cluster. They would like to limit the amount of capacity that each user can consume in their home directory and want to ensure you provide the capability to easily visualize which users are over their allotment. The company's Windows users currently leverage Windows Shadow Copy to recover files that have been accidentally deleted. The IT department wants to ensure that Mac and incoming UNIX clients have the same functionality.

The Director of IT also mentions that users are reporting slow response times when browsing their home directories and shared folders. They are concerned that Isilon cannot scale to support their combined requirements.

The customer provides the following environment summary from the engineering firm's recently departed IT staff:

- 20 TB of Home Directory data

- 100 TB of active CAD projects

- 400 TB of archived data stored on tape at an offsite warehouse

What steps would you recommend to the IT Director to allow for collaboration between the engineering company and the manufacturing company?

40. In an 18 node Isilon cluster with the default protection setting, what is the layout of a 128 KB file?

41. 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?

42. Which three external authentication providers can be configured with Dell PowerScale?

(Select 3)

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

44. Which type of interface is used in Isilon hardware nodes for back-end interconnect?

45. An Isilon customer is experiencing less than expected performance and poor space utilization with their cluster. They are using the X400 nodes with an N+2d:1n protection policy to host web server log data.

Upon further analysis, the customer discovers that the web servers write log files 64KiB in size. The log files are then accessed by an analytics application for reporting purposes.

What should be done to increase the write performance of the cluster?

46. You are designing a backup solution using an NDMP redirector and throttler.

What is the default threshold percentage of CPU resources that the throttler limits NDMP to?

47. A Media and Entertainment company is considering changing from 2K resolution to 4K resolution. They will continue to use the DNxHD 220 codec.

Assuming everything else stays the same, how will this change affect storage?

48. Which license is a prerequisite for enabling CloudPools?

49. What is the minimum size and the maximum size, respectively, of a single pre-Gen 6 node pool?

50. Which OneFS feature enables you to host multiple tenants from mutually untrusting AD authentication environments from the same DNS namespace?

51. What is appropriate for capturing packets for later analysis of I/O request sizes and randomness on Isilon clusters?

52. 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?

53. 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?

54. A company requires a cluster for deep archiving of data. Storage density is most important and high performance access is not a requirement.

Which node is recommended for this application?

55. There is a need to carry out a tech refresh of a PowerScale cluster. Old nodes must be removed because they will soon be at end of service life.

What methodology is least disruptive and will retain the file system structure, configuration, data, and DNS information?

56. 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?

57. A customer plans to replace an existing array that is supported by the MiTrend Workload Profile Assessment (WPA) service. You receive performance data from the customer and run a WPA report that shows the array has 50TB of usable capacity.

In discussions with the customer, you learn the content is comprised of four million 6MB files and 400 million 64KB files. The customer explains they have a small budget and very limited rack space available in their datacenter. Performance is not a concern because the files are rarely accessed.

Which configuration provides the needed usable capacity using N+2:1 protection, and requires the least amount of rack space?

58. What are two output options from the PowerScale cluster events log? (Select 2)

59. Which authentication providers can be used when configuring PowerScale netgroups?

60. A PowerScale administrator has a cluster containing four F600 nodes. They must configure FTP connections for anonymous access that requires no authentication.

What is the result of this configuration?

61. What should be avoided when designing snapshot schedules?

62. You are involved with a Proof of Concept where the performance is not what you expect.

What can you use to collect process stack information and a listing of process waiting on I/O?

63. An insurance company is using PowerScale H700 nodes to store their data. A systems administrator conducts a capacity assessment and notices that the available space has decreased significantly.

During investigation, the administrator finds that several users are storing their PST and MP4 files on the cluster which occupies a large amount of storage space.

What can the administrator do to prevent such situation to happen in the future?

64. How is data moved to the cloud using the CloudPools software module?

65. What happens to worker threads running on the same node when there is an excessive number of workers running at the same time?

66. A customer has two Isilon clusters. Cluster 1 has eight H500 nodes and cluster 2 has twelve H500 nodes. The customer needs to be able to monitor real time performance data of the clusters as well as track file growth.

Which supported tool should be recommended?

67. While designing SyncIQ policies for a new cluster, an architect wants to ensure that data is not deleted.

What should the architect create?

68. A company currently has multiple fileservers to provide home directories for its employees. Each department has a separate fileserver.

Most corporate users are on Windows clients and utilize Active Directory, except for the Engineering department, which uses Linux and NIS for authentication. The company is looking for a solution with minimal administrative overhead and a single namespace for the home directories.

What is the recommended solution that will meet this company's requirements?

69. There is a concern that there are not enough physical switch ports available for the Isilon cluster in a new implementation with SMB and ICAP requirements.

What course of action should be taken?

70. A customer wants to use their large Gen 6 Isilon cluster for ILM. All of their data is written to and read from a single file pool. They need to use multiple file pools, so slightly used data is stored on less expensive, large disks. Heavily used data is stored on a faster tier.

What would satisfy the customer’s needs?

71. A large retail customer is using their PowerScale Gen6 cluster to store receipts. The resulting workflow data consists of only small files.

What configuration change is recommended for this environment to reduce CPU overhead?

72. An eight node F900 PowerScale cluster running OneFS 9.4.0 has a dedicated subnet and IP pool for SMB data traffic. SmartConnect Advanced license is applied. The SMB IP pool consists of LACP aggregated 100 GbE interfaces from all the nodes.

What is the maximum number of SmartConnect Service IPs recommended for the SMB subnet?

73. For concurrent I/O, how do SmartCache and Endurant Cache differ?

74. A company with a PowerScale cluster wants to apply quotas to restrict the amount of storage space used by every department. They want to set a quota to each department that stores files on the cluster to no more than 1.2 TB. Each department is when they exceed 1 TB.

Which type of quota should be used?

75. 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.

What would be the best recommendation to the customer for the workflow of Hadoop with Isilon?

76. A cluster has user quotas that are configured for home directories with hard limits and advisory limits set.

What would be the default setting for calculating user quotas on the cluster?

77. 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?

78. You are adding a new node to an existing cluster.

What OneFS function should you use to remove the old nodes from the cluster?

79. Refer to the exhibit.

You want to add redundancy to your network configuration, rather than performance. You have configured all interfaces into the default SmartConnect zone.

How should you configure the switches and Isilon networking to provide your desired network redundancy?

80. A customer has a 5 node Isilon cluster. The raw capacity of the cluster is 85% used. On average, the cluster has 4,000 users connected during office hours. The average CPU usage is 65%. The customer needs to delete some data to free up capacity.

What should the customer do to minimize the effect of the deletion job?

81. What is a consideration when designing access zones?

82. A customer needs to be able to periodically monitor their node live performance for ongoing operational tasks as well as during problem analysis. You have recommended they use the isi statistics command to fulfill this need.

What types of statistics and statuses could be displayed with this command?

83. A customer has eight X400 24GB RAM that supports 400 client connections today The customer plans to add 400 more clients in the next few months. They are looking at adding an A-Series node to the cluster to help with client connections.

Before they start adding client connections, what hardware change do you recommend?

84. Your customer is looking for a storage solution that will be able to store seven million 3 MB files, which are written and seldom accessed. Read and write operations are both completed by a webbased application, which requires 1.3 Gbps throughput. The customer's network has not been upgraded in many years, so the network interfaces are 1Gbps.

Which cluster configuration would best meet the customer's requirements?

85. Refer to the Exhibit.

What is represented by the information shown?

86. A customer is inquiring about expanding their primary cluster consisting of six S-Series nodes in order to improve performance. They have a second cluster with 11 X-Series nodes. Both clusters leverage 1GbE, but the customer recently installed a 10GbE network that can be utilized.

They also have multiple Fibre Channel SAN arrays in their environment. They have a variety of workloads on each cluster and are in the process of determining which workloads belong on which cluster.

They have discovered that one of the workloads- a SQL database that resides on the X-Series node cluster - is experiencing timeouts due to latency. The database vendor has suggested limiting latency to 5ms or less to eliminate these timeouts.

How do you advise the customer?

87. During a write process in OneFS 8.0, from which cache are blocks copied to disk?

88. A customer is implementing a new backup strategy for their two PowerScale clusters. The clusters are in a DR configuration. The customer uses SyncIQ to replicate data from the primary cluster to the DR cluster.

They use CloudPools to tier archival data to a public cloud provider from both clusters. The public cloud provider guarantees a backup of all data that is stored in their cloud.

Which NDMP backup option should be applied to their primary cluster to avoid backing up data that is tiered to their cloud provider?

89. Refer to Exhibit below.

What is represented by the information shown in the exhibit?

90. A cluster has user quotas configured for user’s home directories with hard limits and advisory limits set.

What would the default setting be for calculating user quotas on the cluster?

91. 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?

92. A potential customer requires 800TB of usable capacity to store medical images for their network of health clinics.

The IT department has limited staff and currently manages four storage arrays from other vendors. During a meeting with the Director of IT, you learn that the company is planning to deploy a scale-out NAS solution from a competitor of EMC.

Which factors can demonstrate a lower TCO using Isilon?

93. The security team at a customer site has created a new requirement that in-flight replication traffic must be encrypted end-to-end. The customer is running OneFS 8.2.1 on their cluster.

What encryption protocol versions does SyncIQ support?

94. At which level can retention periods be applied with Isilon SmartLock?

95. You get a call from a customer that has just added 200 user connections to the cluster. They want to know how fast they are writing data with these new users.

What tool would you use to gather this information?

96. Which SyncIQ policy is required if the goal is to have all source data replicated and to retain deleted files?

97. A customer is evaluating PowerScale and NetApp FAS solutions. They are storing many unique files and want to understand how each solution deduplicates data.

What is the difference between how PowerScale and NetApp FAS deduplicate data?

98. A customer plans to consolidate 200 TB of digital images and video content. Performance is important for recently created files. However, the customer wants any content that has not been accessed within 30 days to be stored in the cluster at a much lower cost because performance is no longer critical.

Which Isilon configuration should be recommended?

99. What are three benefits of NDMP multistream backup and recovery? (Select 3)

100. 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?


 

 

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