Exam Name: Isilon Design Specialist Exam for Technology Architects
Certification Provider: EMC
Corresponding Certification: EMC Certification
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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network and Connectivity Design | 20% | - Network topology and protocols - Bandwidth and redundancy planning - SmartConnect configuration - Client access protocols (NFS, SMB, HTTP, HDFS) |
| Topic 2: Solution Design and Sizing | 10% | - Scalability and expansion planning - Workload analysis and requirements gathering - Cluster design best practices |
| Topic 3: Features and Functionality | 20% | - Multi-protocol access and identity management - Security and authentication - SnapshotIQ, SyncIQ, SmartQuotas - Deduplication, compression, and data efficiency |
| Topic 4: Capacity and Performance Design | 25% | - SmartPools and tiering strategy - SSD use cases and caching - Capacity planning and sizing - Performance requirements analysis |
| Topic 5: Isilon Architecture and Concepts | 25% | - Data protection and protection levels - Node types and hardware platforms - Scale-out NAS architecture - OneFS file system fundamentals |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
You are sizing an Isilon cluster for a new customer. Analyzing their workflow you determine that they have a large block random read workload.What is the most important factor to consider when sizing this solution?
- A. IOPS
- B. Bandwidth
- C. Headroom
- D. Latency
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?
- A. Is your datacenter ISO9001 compliant?
- B. How many users are in your Directory Services?
- C. What protocols are accessing your NAS?
- D. What application are you using to create directories?
You have 1000 users for an application that reads and writes files averaging between one and four MB in size. Each user requires 24 MB of RAM. You want to add another 1000 users for this application, and in preparation for them, you run the isi statistics command. You discover that the average CPU utilization is 20%; aggregate throughput averages 700 MB/s and the disk QueueD average is 1.5. Your cluster currently has five X200 (12 GB RAM, 1 TB drive) nodes, uses N+2:1 protection and 1 GigE networking.
What should you do to accommodate the next 1000 users?
- A. Add five additional X200 (12 GB, 1 TB drive) nodes
- B. Upgrade each X200 node to a total of 24 GB of RAM.
- C. Upgrade two of the 1 GigE NICs to 10 GigE on each node.
- D. Add five A100 (24 GB RAM) accelerator nodes.
You are assisting a customer with creating an Isilon solution that will address their needs while remaining cost-effective. The customer environment consists entirely of archive data. The data in their enterprise produces very little I/O and is only occasionally accessed.
Which Isilon storage node type will meet the customer's needs?
- A. X-Series node
- B. S-Series node
- C. Performance Accelerator node
- D. NL-Series node
Your customer has several departments that want separate access to the cluster so they can use their individual authentication methods. Two of the departments will use NFS and two will use SMB to access the cluster.What would you recommend?
- A. Create two separate Access Zones for the NFS clients, and use the System Zone for the SMB clients.
- B. Have all clients access the System Zone, and use RBAC to control authentication.
- C. Create separate Access Zones for both the SMB and NFS clients.
- D. Create two separate Access Zones for the SMB clients, and use the System Zone for the NFS clients.
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