E20-655 Online Practice Questions and Answers

When are non-path based file pool policies applied to files which have been written to the cluster?

A. Whenever the SmartPools job runs

B. Only at 22:00 Hrs

C. Upon Ingress or at 22:00 Hrs

D. Whenever the policies get updated via an edit.

What are some differences between a Major upgrade and a Minor upgrade of OneFS?

A. Major is a change to either of the first two decimal places of the OneFS version and Minor is a change to either of the last two.

B. Major is a change to one of the first three decimals of the OneFS version while Minor is a change to the last digit.

C. Minor is for code patches and Major is for Maintenance releases.

D. Minor includes core operating system changes and Major is for core operating system changes and new OneFS functionality.

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 description best fits sysctl on Isilon nodes?

A. It is a dangerous tool that can severely affect cluster operations and should only be used with great care.

B. It has no chance of harming the cluster, so it can be used freely by any operator.

C. It is dangerous, but parameters do not change from version to version and are safe to modify based on prior knowledge.

D. It can be safely used as long as only local node parameters are altered, rather than network parameters.

What best describes sysctl commands?

A. Only used with senior support guidance

B. Are approved as public commands

C. Have limited risk to cluster performance

D. Are well documented and provide warnings when changed

What is a default logging level for OneFS?

A. Warning

B. Error

C. Verbose

D. Debug

What is the purpose of an incremental log gather?

A. To gather only additional log data since the last full gather.

B. To gather each node in sequence incrementally.

C. To gather logs and increment by date.

D. To gather current logs and all past tarballs of logs in order.

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.

Which methods can be used to notify recipients of events with OneFS 7.1?

A. Email, SupportIQ, ESRS, and SNMP

B. ESRS, Email, and SupportIQ only

C. SNMP, SupportIQ, and Email only

D. SNMP, Email, and ESRS only

What resource(s) are available to explain event types by code?

A. OneFS Event Reference guide and web administration interface help

B. OneFS Event Reference guide only

C. main pages and web administration interface help

D. isi events show command

What best describes a requirement of the CELOG Master Coalescer node?

A. The node must be connected to the external network.

B. The node must have LNN 1

C. The node performs preliminary analysis of other nodes log files

D. The node only runs the CELOG service isi_celog_notification

In OneFS 7.0, which job triggers the running of two other jobs?

A. MultiScan

B. FlexProtect

C. Collect

D. AutoBalance

A large cluster running OneFS 7.0 that has lost several drives is not deleting old snapshots.

What might explain this?

A. The FlexProtect job is running and preventing SnapshotDelete from running.

B. SnapshotDelete is running but because of cluster size and lost drives it is very slow.

C. SnapshotDelete will not run while drives are in a down state.

D. The IntegrityScan job is running and will only invoke SnapshotDelete once it has completed.

When setting up SmartConnect initially in DNS, what type of record needs to be created for a SmartConnect Zone?

A. NS

B. MX

C. A

D. AAAA

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.