Dell E20-655 - Isilon Specialist Exam for Platform Engineers Exam

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Total 111 questions

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.


Answer : A

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?

  • A. Consult with Isilon support to understand the effects and risks to the customer's system.
  • B. Check the knowledge base to make sure the command is documented, and if so, apply it.
  • C. Apply the sysctl command to a single node to gauge the effect.
  • D. Warn the customer that this is not a supported command.


Answer : A

A customer has a cluster on which round robin link aggregation has been implemented.
The customer reports that throughput has decreased since implementation. What is the likeliest explanation for the result?

  • A. Packets may arrive out of order and need reordering at the client side.
  • B. Packets are being lost on each node's second interface and need retransmission.
  • C. The client side also needs to be configured to handle round robin link aggregation.
  • D. The switch needs to reroute each alternating packet, introducing latency.


Answer : A

How is the job engine's coordinator designated?

  • A. The job daemons on each node attempt to lock a file and the one that succeeds becomes the coordinator.
  • B. The nodes share performance data with the job daemons and the daemon on the node with the lightest load becomes the coordinator.
  • C. The storage administrator selects a node to run the coordinator based on the cluster architecture.
  • D. The job daemons generate random numbers, and the one that generates the lowest number becomes the coordinator.


Answer : A

Which log file contains information about possible drive errors?

  • A. isi_radish.log
  • B. diskpools.log
  • C. isi_hdfs_d.log
  • D. isi_hwmon.log


Answer : A

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Total 111 questions