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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Your customer has observed a degradation in response time while browsing for media files within the Production Media folder on 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?

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

2. 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?

A) Configure the switch ports for LACP and use LACP aggregation for subnet0:pool0.
B) Configure the switch ports as access points, bond ext-0 and ext-1 on all nodes and use Active/Passive aggregation for subnet0:pool0.
C) Configure the switch ports for LACP and use FEC aggregation for subnet0:pool0.
D) Configure the switch ports as access points and use LACP aggregation for subnet0:pool0.

3. Refer to the exhibit.

Which tool was used to create this output and which line item counts the metadata read operations occurring in the file service?

A) isi_netlogger and commit
B) nfsstat and getattr
C) iostat and fsstat
D) tcpdump and nfsstat

4. Your customer has an existing Isilon cluster comprised of five NL-Series nodes. They have a new project that will quadruple their current throughput requirements. Upon reviewing reports in InsightIQ, you see that the aggregate external network throughput is peaking at 600MB/s. The customer states that data is only active for the first 7 days, but they keep it indefinitely.
Which recommendation best supports their growth requirements?

A) Add X-Series nodes to the cluster, and use SmartPools to migrate inactive data to the NL-Series nodes.
B) Use the Isilon Sizing Tool to determine GNA requirements, and add NL-Series nodes with SSD to the cluster.
C) Add a VNX Unified array for the new project, and use rsync to migrate data to the Isilon cluster for archiving.
D) Add A-Series nodes to the cluster to boost combined network performance.

5. -- Exhibit -
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.
-- Exhibit -
Refer to the exhibit.

Based on the described use of the cluster, which node combination is the appropriate choice for the customer's requirements?

A) 4 x X400 nodes with 4 x NL 400 nodes
B) 4 x S200 nodes with 5 x NL 400 nodes
C) 4 x S200 nodes with 4 x NL 400 nodes
D) 4 x X200 nodes with 4 x NL 400 nodes

Solutions: