EMC Isilon Solutions and Design Specialist Exam for Technology Architects - E20-555 Exam Practice Test

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 your trying to understand in their environment and what is the comparable feature in Isilon OneFS?
Correct Answer: A
Which SmartConnect policies are used for workloads that have short lived connections such as HTTP and FTP?
Correct Answer: A
What should be avoided when designing snapshot schedules?
Correct Answer: A
A customer is trying to read data from Node 1 to Node 5 in an Isilon cluster. The two Isilon nodes have the same content in the private caches. Cached data is consistent across both instances. What is the correct sequence of steps that OneFS uses to ensure that all data is consistent across the entire shared cache?
Correct Answer:

Reference:
https://www.emc.com/collateral/hardware/white-papers/h13249-isilon-onefs-smartflash-wp.pdf
A company currently has multiple fileservers to provide home directories for its employees. Each department has a separate fileserver. Most corporate users are on Windows clients and utilize Active Directory, except for the Engineering department, which uses Linux and NIS for authentication. The company is looking for a solution with minimal administrative overhead and a single namespace for the home directories.
What is the recommended solution that will meet this company's requirements?
Correct Answer: D
While configuring Isilon SmartConnect, a customer determined that their workload primarily consists of long-lived NFS and SMB connections. Which load-balancing policy will provide the most efficient client distribution?
Correct Answer: C
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?
Correct Answer: D
An Isilon customer is experiencing less than expected performance and poor space utilization with their cluster. They are using the X400 nodes with an N+2d:1n protection policy to host web server log dat a. Upon further analysis, the customer discovers that the web servers write log files 64KiB in size. The log files are then accessed by an analytics application for reporting purposes. What should be done to increase the write performance of the cluster?
Correct Answer: C
There is a concern that there are not enough physical switch ports available for the Isilon cluster in a new implementation with SMB and ICAP requirements. What course of action should be taken?
Correct Answer: B
You have had several meetings with an existing EMC VMAX customer. They have agreed that they would like to review an initial Isilon Solution for unstructured data used by the Product Development Team. All production is managed through a Global Enterprise Resource Planning system based in Germany. They require 600TiB of usable capacity. The File System must be accessible from Windows and Linux High-End Workstations. The files are generally not accessed after 120 days, and they would like automated tiering.
Which questions about architectural integration will impact the solution design?
Correct Answer: C
In an Isilon environment, which event will avoid Dynamic IP Address reallocation?
Correct Answer: B
An Isilon customer wants to more effectively manage their storage and thereby achieve performance improvements. Which tool will help improve workflow performance on their cluster?
Correct Answer: B
A customer has a cluster running with a single access zone and serves multiple internal departments. The clients access the cluster over both SMB and NFS protocols. A department user has been assigned the task of auditing SMB activity and enforcing appropriate quotas for certain users.
How should the cluster administrator grant this access?
Correct Answer: A
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