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EMC E20-554 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Solution Design and Sizing | 10% | - Scalability and expansion planning - Workload analysis and requirements gathering - Cluster design best practices |
| Topic 2: Features and Functionality | 20% | - Security and authentication - SnapshotIQ, SyncIQ, SmartQuotas - Multi-protocol access and identity management - Deduplication, compression, and data efficiency |
| Topic 3: Isilon Architecture and Concepts | 25% | - Data protection and protection levels - OneFS file system fundamentals - Scale-out NAS architecture - Node types and hardware platforms |
| Topic 4: Capacity and Performance Design | 25% | - Capacity planning and sizing - SmartPools and tiering strategy - SSD use cases and caching - Performance requirements analysis |
| Topic 5: Network and Connectivity Design | 20% | - SmartConnect configuration - Bandwidth and redundancy planning - Client access protocols (NFS, SMB, HTTP, HDFS) - Network topology and protocols |
EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:
Question 1
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. Upgrade each X200 node to a total of 24 GB of RAM.
B. Upgrade two of the 1 GigE NICs to 10 GigE on each node.
C. Add five additional X200 (12 GB, 1 TB drive) nodes
D. Add five A100 (24 GB RAM) accelerator nodes.
Question 2
Refer to the exhibit.
You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?
A. It contains mostly random writes.
B. It uses large read requests.
C. It is mostly sequential reads.
D. It is metadata intensive.
Question 3
A potential customer has about 540TB of NetApp running in ONTAP 7-Mode. They are willing to let you gather some workload data. They have LDAP and Active Directory authentication and primarily Windows Clients. They are very interested in Automated Tiering and Large Scale Archives. They are not certain about the workflows from the Marketing Department. The Content Team will only say they need to acquire 300 TB within 90 days. They do not know the average file size or the number of aggregates they are managing.
Which tools would you use to gather information to do your Isilon sizing?
A. MiTrendWPA ,Autosupport, and PerfCollect
B. Isilon Insight IQ, OnCommand Insight, and nfsstat
C. Wireshark, isi statistics, and iostat
D. isi status, isi_netlogger, and PerfMon
Question 4
You get a call from a customer that has just added 200 user connections to the cluster. They want to know how fast they are writing data with these new users.
What tool would you use to gather this information?
A. Wireshark
B. Watch4net
C. Network Monitor
D. InsightIQ
Question 5
When conducting high-level interviews with stakeholders of a project, what are the key questions that should be asked?
A. Which backup application is in use today?
What is your change rate?
How many clients will connect to the cluster?
B. Who are the application owners?
How much usable storage is needed?
What applications will be accessing the storage?
How many users are in your Active Directory?
C. What does your network architecture look like?
Do you have existing NAS infrastructure?
Do you have 10Gb or 1Gb ethernet?
Which applications will access this storage?
D. How much usable storage are you looking for? What client OS will access this storage? Which applications will access this storage?
Solutions:
| Question 1 Answer: C | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: D | Question 5 Answer: D |
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