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| Section | Weight | Objectives |
|---|---|---|
| Capacity and Performance Design | 25% | - Performance requirements analysis - Capacity planning and sizing - SSD use cases and caching - SmartPools and tiering strategy |
| Solution Design and Sizing | 10% | - Cluster design best practices - Scalability and expansion planning - Workload analysis and requirements gathering |
| Features and Functionality | 20% | - Multi-protocol access and identity management - SnapshotIQ, SyncIQ, SmartQuotas - Security and authentication - Deduplication, compression, and data efficiency |
| Isilon Architecture and Concepts | 25% | - Scale-out NAS architecture - Node types and hardware platforms - OneFS file system fundamentals - Data protection and protection levels |
| Network and Connectivity Design | 20% | - Client access protocols (NFS, SMB, HTTP, HDFS) - Network topology and protocols - SmartConnect configuration - Bandwidth and redundancy planning |
1. -- 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 number of edit stations, and their intended use, what bandwidth requirements should be considered while sizing?
A) Write Performance: 21 MBps FTP sequential 70 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random Read Performance: 210 MBps FTP sequential 70 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random
B) Write Performance: 550 MBps FTP sequential 275 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random Read Performance: 550 MBps FTP sequential
1.6 GBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random
C) Write Performance: 70 MBps FTP sequential 210 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random Read Performance: 70 MBps FTP sequential 21 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random
D) Write Performance: 70 MBps FTP sequential 21 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random Read Performance: 70 MBps FTP sequential 210 MBps NFS and/or SMB sequential 120 MBps NFS and/or SMB random
2. You have gathered information from your customer about their current NAS environment. They indicated they are having performance and time-out issues with their clients accessing the storage. Currently over 5000 clients are simultaneously accessing the NAS; however, this will double in the next year.
Based on this information, what recommendations for a new Isilon cluster would you give to the customer based on this information?
A) Create a five node X400 cluster today. As more clients are added, add a Performance Accelerator node for every 1000 clients.
B) Create a three node cluster today. As more clients are added, add three additional nodes each time for 1000 clients.
C) Create a six node X400 cluster today. As additional clients are added, add additional X400 nodes for them.
D) Create a seven node X400 cluster today. You will not need to purchase additional nodes as more clients are added.
3. 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?
A) Configure two separate clusters, one for Windows clients and the other for Linux.
B) Configure a single Isilon cluster and utilize Access Zones for authentication to Active Directory and NIS.
C) Utilize SmartPools to create two different FilePools, and separate Windows users from Linux users.
D) Configure a single cluster, and migrate Linux users to Windows.
4. 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 as access points and use LACP aggregation for subnet0:pool0.
D) Configure the switch ports for LACP and use FEC aggregation for subnet0:pool0.
5. Refer to the exhibit.
A customer calls you and asks if you could come by and interpret their InsightIQ data. You see that namespace reads are 63% of the work load.
What would you recommend to help this cluster's namespace performance?
A) Turn off write cache
B) Add A-Series nodes
C) Add S-Series nodes
D) Add SSDs
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: D |
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