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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. Your customer has a new business unit. They are gathering web log files to be analyzed. They are using Hadoop to do the analysis of the logs. The IT department is centrally storing the log files on a 5-node Isilon cluster. They have enabled the Hadoop cluster to access the files directly on the Isilon storage. The nodes are X400's with two SSD drives in each node and 96GB of RAM.How many DataNodes does the Isilon cluster have?

A) One
B) Two
C) Five
D) Three

2. You will be meeting with the Corporate Security Team as part of the implementation planning for a new Isilon cluster deployment. The Lead Security Analyst has asked you to discuss the Authentication Sources on your Isilon Cluster.
What customer questions regarding Isilon-supported Authentication Sources do you need to be prepared to answer?

A) Is the cluster X.400 compliant?
What firewall rules are in place to prevent data leakage?
Is there a audit trail for access zone configuration changes?
B) Are you using File Services for UNIX in your AD environment?
Do you support NIS+ for NFS authentication?
Do you support multiple Access Zones connecting to the AD Domain?
C) What mechanism are you using for NFS authentication?
Do you support Novell Directory Services?
What implementations of LDAP are supported?
D) What mechanism are you using for NFS authentication?
Do you have multiple AD domain support?
What versions of LDAP are supported?

3. -- Exhibit -
A large manufacturing company is an existing Isilon customer with a cluster consisting of four NL400 nodes with 4TB drives. The cluster is using N+2:1 protection level and the file system shows that it is 60% utilized. Home directories and file shares comprise 75% of the existing content and the remainder is inactive deep archive. The company has 1,000 employees using Windows and Mac clients participating in a single Active Directory (AD) forest.
During a meeting with the CIO and Director of IT you discuss the company's recent acquisition - an engineering firm that specializes in Computer Aided Design (CAD). The engineering firm has 400 UNIX workstations that produce technical drawings which are currently stored on another vendor's SAN solution. The all UNIX environment uses NIS for authentication and name resolution. They do not currently use DNS or LDAP. The engineering company has an old storage system that has been experiencing problems and the CIO would like you to migrate the data onto the Isilon cluster. The CIO would like to eliminate all tape and recover the data onto disk.
The CIO is concerned about security of the company's intellectual property, especially with the rapid adoption of mobile devices and external cloud content sharing services such as DropBox, Egnyte, and SugarSync. They would like to implement an alternative that provides external file sharing and mobile device synchronization while maintaining security control over the company's data.
The Director of IT reports that users are storing non-work related content on the Isilon cluster. They would like to limit the amount of capacity that each user can consume in their home directory and want to ensure you provide the capability to easily visualize which users are over their allotment. The company's Windows users currently leverage Windows Shadow Copy to recover files that have been accidentally deleted. The IT department wants to ensure that Mac and incoming UNIX clients have the same functionality.
The Director of IT also mentions that users are reporting slow response times when browsing their home directories and shared folders. They are concerned that Isilon cannot scale to support their combined requirements.
The customer provides the following environment summary from the engineering firm's recently departed IT staff:
20 TB of Home Directory data
100 TB of active CAD projects
400 TB of archived data stored on tape at an offsite warehouse
-- Exhibit -
Which configuration changes would you recommend for the Engineering users?

A) Utilize SMB2.1 protocol and mount to the Isilon cluster using the Name Server (NS) record IP.
B) Mount an NFS share to a node on the Isilon cluster, being careful to equally distribute the load across nodes.
C) Direct all clients to use the Manufacturing DNS server and connect NFS mounts to the FQDN of the Isilon cluster.
D) Create an FQDN for the Isilon cluster in the LMHOSTS file for each engineering system.

4. 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) Have all clients access the System Zone, and use RBAC to control authentication.
B) Create two separate Access Zones for the NFS clients, and use the System Zone for the SMB clients.
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.

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

Solutions: