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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. You are asked to size a cluster for a file sharing environment. nfsstat indicates that no more than 10% of the requests are namespace operations (e.g. GETADDR, SETADDR). There will be 10,000 active Linux users, connecting over NFS.
Which cluster configuration would you recommend?

A) Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
B) Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1
C) Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1
D) Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1

2. In your second meeting with the customer you ask the following questions about their current unified SAN and NAS platform.
"Are you using an application to map users from NFS Exports to SMB shares? Is each site a separate LDAP or AD Domain?"
What functionality are you trying to understand in their environment and what is the comparable feature in IsilonOneFS?

A) Identity Mapping and Authentication Sources
B) User Management and AD Authentication
C) NFS Export Management and OneFS Cluster Management
D) Kerberos Infrastructure and Identity Management

3. A four-node Isilon cluster is being used in a Hadoop workflow with a parity protection of N+2:1. The HDFS protocol has been enabled and is being used to access data.
According to EMC best practices, how many additional many additional copies of data are written into the Isilon cluster using HDFS?

A) Two
B) None
C) One
D) Three

4. When designing Isilon solutions, what issues should you pay special attention to?

A) Avoid being too enthusiastic over the technology Balance technical and business requirements Provide options Design to meet customer expectations
B) Solutions Document Balance technical and business requirements Downstream hand-off Design to meet customer expectations
C) Solutions Document Balance technical and business requirements Provide options Practical vs. theoretical implementations
D) Workflow Document Solutions Document Application types Data strategy

5. While validating the value (VTV) with a large educational customer, they have decided they would like to add a Disaster Recovery (DR) site to their existing Isilon environment. The existing cluster contains six X-Series nodes. They plan to have all workflows replicated to the DR site and both clusters will have identical shares, exports, and user authentication. The customer would like to test DR failover every six months by running their production environment from the DR site.
What would you recommend for the DR solution?

A) Equal number of S-Series nodes at the primary site
B) SyncIQ and identical cluster at the DR site
C) SmartConnect and NL-Series nodes at the primary site
D) SyncIQ and NL-Series nodes at the DR site

Solutions: