E20-555 EMC Exam Questions and Free Practice Test

Question 49

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?

A. Configure a single Isilon cluster and utilize Access Zones for authentication to Active Directory and NIS.

B. Configure two separate clusters, one for Windows clients and the other for Linux.

C. Utilize SmartPools to create two different FilePools, and separate Windows users from Linux users.

D. Configure a single cluster, and migrate Linux users to Windows.

Correct Answer:A

Question 50

How many files can reference a single block within a shadow store?

A. 8

B. 128

C. 512

D. 32,000

Correct Answer:D

Question 51

An Isilon customer experienced a node failure. The failure requires that the affected node be permanently removed from the cluster. What will occur in the cluster upon failure of the node?

A. OneFS will assume it is a temporary failure and the data will not be protected at the appropriate levels.

B. Cluster will detect the node failure and automatically begin the SmartFail process.

C. FlexProtect will be activated and data will be protected at the appropriate levels.

D. Nothin

E. When data protection levels are set appropriately, OneFS will always protect data without manual interaction.

Correct Answer:A

Question 52

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. Create two separate access zones for the SMB clients, and use the System zone for the NFS clients.

B. Create separate access zones for both the SMB and NFS clients.

C. Create two separate access zones for the NFS clients, and use the System zone for the SMB clients.

D. Have all clients access the System zone, and use RBAC to control authentication.

Correct Answer:A

Question 53

When a Gen 6 Isilon cluster receives a file to be stored, which node(s) performs the FEC calculation?

A. First node in each node pair

B. Node that will be holding the FEC

C. Node to which data was initially sent

D. Each node in the cluster

Correct Answer:A

Question 54

An Isilon customer wants to have different snapshot policies and schedules on the same directory. Why is this possible on an Isilon cluster?

A. SnapshotIQ snaps at the directory level rather than the volume level

B. All snapshots are scheduled through the command line interface

C. A third-party product is used by SnapshotIQ to create different schedules and policies on a directory

D. SnapshotIQ snaps at the volume level rather than the directory level

Correct Answer:A

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