Dell E20-655 - Isilon Specialist Exam for Platform Engineers Exam
Page: 1 / 23
Total 111 questions
Question #1 (Topic: )
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
Question #2 (Topic: )
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?
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
Question #3 (Topic: )
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?
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
Question #4 (Topic: )
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
Question #5 (Topic: )
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
