E20-655 Exam Questions

In a rolling upgrade scenario, by default, when will each node reboot?

What is the output for this command: isi_radish -q?

Which command should be used to verify the cluster's node firmware?

Which of the following offers integration with other EMC remote support options for Isilon clusters?

Which capability does the "isi_nodes" command provide?

Which process is executed using the "rm" command?

Which job executes customize file pool policies?

What are the three sections of an event type number?

What procedure requires a field service engangement with OneFS 7.0.2?

What type of commands can be run using the command line interface?

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

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

Which two isi_ prefix commands are allowed for use by a customer?

What statement best describes the "isi devices" command?

What is the expected displayed output after running "isi devices -d 3"?

A customer has received an alert regarding a disk drive failure on node 2 of a 4 node cluster running OneFS 7.x. What isi command should be used to investigate which disk has the p...

Your customer has installed a series of new nodes, and wishes to remove the old node 6 now that the installation is complete. Which command should be used to perform this task clea...

Your customer comes to you with a sysctl command that they found on the Internet. They want to apply this to their cluster. What should you do?

What description best fits sysctl on Isilon nodes?

What best describes sysctl commands?

What is the purpose of the isi_sysctl_cluster command?

What is a default logging level for OneFS?

What is the default size of the /var/log partition?

What are methods for uploading logs to Isilon Support?

What is the purpose of an incremental log gather?

Which protocol is available for uploading logs from the web administration interface?

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

Isilon support has requested that you upload logs from a large customer cluster. The customer is concerned because the log gather they ran two days ago took 23 hours to run. How ca...

Which log file contains information about possible drive errors?

Where do you go to access AVP?

What folder structure is used to store log files in AVP?

How long does the Log Processor retain a backup of log information in the archive directory?

Where does the Log Processor retain a backup of log information for 14 days?

A customer has sent you a very large log set. You want to investigate the messages logs in the /messages folder in a log set for the last group change. If the cluster name is "isil...

A situation occurs on the cluster and an event is generated. An administrator then quiets the event. What does it mean that the event was quieted?

What is true about the /var/db/celog/events.db file?

Which methods can be used to notify recipients of events?

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

On which node that has external network access does the master isi_celog_coalescer service run?

Which command displays details for a specific event?

You are looking at a cluster event which has an Ancestry of 1.215 and a Instance ID of 1.260. What fact about the event can be derived from this information?

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

Which condition could make it necessary to reset the CELOG DB?

Your customer has provided CELOG events database from their cluster. Which tools can be used to view this database?

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

Which job engine v2.0 component runs on a node, communicates with the job coordinator and coordinates tasks with the three managers on the cluster?

In OneFS 7.1 what combination of jobs can be run simultaneously?

What is a piece of work delegated by the coordinator to a manager for execution by worker threads?

How is the job engine's coordinator designated?

What does the job engine do?