E20-655 Online Practice Questions and Answers

Referring to the data protection formula N+M, what does the M stand for?

A. Number of protection stripe units

B. Number of data stripe units

C. Number of nodes in the node pool

D. Number of nodes the file is striped across

A customer needs to upgrade their 6 node Isilon cluster from OneFS 7.0 to OneFS 7.1 with minimal disruption.

What would be the best way to upgrade the cluster?

A. Perform a simultaneous upgrade of all nodes

B. Perform a rolling upgrade of all nodes

C. Perform a simultaneous upgrade of 1 node at a time

D. Perform a rolling upgrade of 2 nodes at a time

What are the three sections of an event type number?

A. Category, Subcategory, ID number

B. Node Number, Node Event ID, Master Event ID

C. Type, Severity, Value

D. Phase Number, Task Number, Item Number

What element of the command syntax: "isi sync policies modify exam_policy1 --log-level error" is "policies"?

A. Subcommand

B. Command

C. Argument

D. Action

What is the purpose of the isi_sysctl_cluster command?

A. Make sysctl changes persistent

B. Display sysctls for all the nodes in the cluster

C. Start the sysctl configuration command line wizard

D. Search for failed sysctl modification attempts

What is a potential result of increasing the level of logging detail on your cluster?

A. You could affect the performance of the cluster.

B. You could fill up the limited space in the /tmp directory.

C. There is no way to do this without recompiling the kernel.

D. You will create an unsupported condition on the cluster.

A customer has configured a job to have a high impact level. How will the job engine react to this action?

A. It will allocate additional resources to the job when it runs.

B. It will not pause the job for higher priority jobs.

C. It will preserve the impact level if node load levels are too high.

D. It will lower the priority level if node load levels are too high.

Where does the SNMP agent reside?

A. On each cluster node

B. On one cluster node, until that node fails

C. On the management server

D. On the network monitoring station

A customer wishes to install a new cluster and needs an explanation of the features SmartConnect will provide. Which explanation best represents its features?

A. SmartConnect manages loads across the cluster by directing connections to nodes.

B. SmartConnect moves connections from one node to another to balance loads across the cluster.

C. SmartConnect connects users with nodes based on identity and authorization.

D. SmartConnect connects users with nodes based on protocols and protocol versions.

You are monitoring your customer's cluster and find that almost all of the client activity is occurring on Logical Node Number 1.

What is a potential cause of this?

A. SmartConnect is not configured correctly.

B. The AutoBalance job is not running.

C. The CELOG coalescer service is hung.

D. Only LNN 1 is configured in AIMA.