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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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 you trying to understand in their environment and what is the comparable feature in IsilonOneFS?

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

2. -- Exhibit -
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
-- Exhibit -
Which Isilon license options are required to meet the customer's needs?

A) SnapshotIQ SmartQuotas Syncplicity EE SyncIQ InsightIQ SmartPools
B) SnapshotIQ SmartQuotas SmartLock SyncIQ InsightIQ
C) SnapshotIQ SmartConnect Advanced SmartQuotas SyncIQ InsightIQ SmartPools
D) SnapshotIQ SmartQuotas Syncplicity EE InsightIQ SmartPools

3. You have had several discussions with your customer in the processor design industry. They have stated that they want a Scale-Out NAS platform for their design environment. Their most significant responses were "We have 125 design engineers accessing large diagrams and we need high throughput to support them. Can we also get the highest performance available? We need to stay ahead of our competitors." Other areas you discussed were their data retention policies and workflow after the chip design is completed. They plan to archive the design files but the files must stay on line.
What is your initial node recommendation?

A) X-Series nodes with SSD for the active diagrams and NL nodes for the archives
B) X-Series nodes for the active diagrams and NL 400 nodes for the archives
C) A-Series nodes for the active diagrams and X-Series nodes for the archives.
D) S-Series nodes for the active diagrams and NL Series nodes for the archives

4. You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements.
Why is it recommended to talk to as many stakeholders as possible?

A) Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe, file size and volumes.
B) Helps downstream personnel, such as implementation and delivery, to have a clearer understanding of the requirements.
C) Completing this document gives sales a list of who the stakeholders are at customer site.
D) Using workflow profile enables sales to take this information to EMC consulting for review to validate the configuration.

5. Your customer's initial use case was Home Directories. They implemented the cluster with four 1Gbps ports and LACP. They are planning to expand their cluster to support their core file services. They plan to upgrade their network infrastructure to 10 GbE to facilitate this.
What are two design impacts this change will have?

A) Maximum performance is obtained by only using a single 10GbE interface per node. Isilon can support up to 400MB/s per node
B) Maximum performance is obtained by only using a single 10GbE interface per node. LACP and multiple links may be used to increase redundancy, but will not provide more overall performance to the system
C) Dual 10GbE ports on each node will enable throughput of 20Gbps. Only connect half of the nodes to the network.
D) LACP and multiple links may be used to increase redundancy, but will not provide more overall
performance to the system.
FCoE should be considered for the External Network Ports on the nodes.

Solutions: