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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. 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) Are you using a KVM to access your storage?
B) How many NICs do your clients have?
C) What type of racks are in your datacenter?
D) What applications access this storage?

2. 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) Latency
B) Bandwidth
C) IOPS
D) Headroom

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

4. -- Exhibit -
We have been engaged by a research hospital to help upgrade their Isilon installation. They currently have 12 previous generation Isilon nodes with 200TB of capacity and run on a 1Gbps network. They currently have 6 Illumina Hi-Seq Sequencers and an HPC cluster to process data. They would like to expand Isilon to 2PB of active data and 1PB of archive data. They use a third party data and metadata management service (IRODs) to stage data for analysis. The Isilon cluster is mainly used for analysis work with the HPC cluster.
-- Exhibit -
The customer will add two more Illumina Hi-Seq Sequencers in the next 6 months.
Once these are added, what is the total amount of data from all the sequencers they can expect to add per month?

A) 9.6 TB
B) 4.8 TB
C) 14.4 TB
D) 1.2 TB

5. Which protocols are supported by IsilonOneFS for file access?

A) NFS, HDFS, HTTP, SMB
B) SMB, HTTP, SMTP, HDFS
C) HDFS, NFS, iSCSI, SNMP
D) FTP, NFS, SMB, FC

Solutions: