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EMC E20-554 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Isilon Architecture and Components | - Data layout and striping methodology - OneFS architecture fundamentals - Node types and cluster design |
| Topic 2: Networking and Protocols | - Network topology design - NFS, SMB, and multiprotocol environments - Client access optimization |
| Topic 3: System Management and Operations | - Upgrades and lifecycle management - Monitoring and maintenance - Security and access control |
| Topic 4: Data Protection and Availability | - Disaster recovery design - Protection levels and mirroring strategies - Snapshot and backup integration |
| Topic 5: Cluster Design and Sizing | - Performance considerations - Capacity planning and workload assessment - Scale-out design principles |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
Which IsilonOneFS protection level allows you to withstand two drive failures but no more than one complete node failure?
- A. N+3:1
- B. N+1
- C. N+2:1
- D. N+2
Correct Answer: D 🗳️
A company currently has numerous file servers providing home directories for its employees. Some departments have their own file servers. All corporate users authenticate using Active Directory. The engineering department has their own untrusted AD domain for their file servers.
The company is looking for a consolidated solution that requires minimal changes to the environment, and that creates 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 each AD domain.
- B. Consolidate onto a single cluster and merge the domains.
- C. Implement an Isilon cluster and utilize Access Zones.
- D. Utilize SmartPools to create two pools to separate the domains.
Correct Answer: C 🗳️
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?
- A. X-Series nodes, NL-Series nodes, and SmartPools
- B. X-Series nodes and SmartQuotas
- C. NL-Series nodes and SmartLock
- D. S-Series nodes, X-Series nodes, and SmartPools
Correct Answer: C 🗳️
A company wants to reduce the footprint in their data center. They recently completed a proof of concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have determined that incorporating an Isilon cluster into their Hadoop environment would help in reducing this footprint.Which Hadoop components can be consolidated onto the Isilon cluster to reduce the footprint?
- A. DataNode and NameNode
- B. DataNode and ComputeNode
- C. ComputeNode and NameNode
- D. NameNode and TaskTracker
Correct Answer: A 🗳️
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?
- A. Suggest the customer consider leveraging SSDs in the new nodes they purchase and GNA to boost the performance of each cluster.
- B. Recommend they increase the amount of DRAM in the cluster or consider an Accelerator node in order to increase the amount of cache in their cluster.
- C. Consider migrating data from Isilon to one of their SAN platforms or proposing a new solution to handle the performance requirements of SQL.
- D. Merge the S-Series nodes and X-Series nodes into one cluster, upgrade the 1GbE to 10GbE, and leverage SmartPools to allow for the cluster to determine where data should reside.
Correct Answer: C 🗳️
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