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E20-655 Practice Exam Questions with Answers Isilon Specialist Exam for Platform Engineers Certification

Question # 6

A customer has an Isilon cluster with a substantial video editing workload. They ask you how they can create a custom job to archive older data to NL nodes.

What should be your response?

A.

Custom jobs cannot be created. Implement a SmartPools file policy.

B.

Work with Professional Services to implement a custom job.

C.

The job engine can be custom programmed in python.

D.

Schedule AutoBalance to run more frequently.

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Question # 7

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.

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Question # 8

What will be displayed after running the netstat -r command on the cluster?

A.

Content of the routing table

B.

Network utilization of a node

C.

Network traffic received by the cluster

D.

Network utilization of the cluster

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Question # 9

Which statement best describes an advantage of the link aggregation control protocol (LACP)?

A.

Balances outgoing traffic across the active ports and accepts traffic from any active port

B.

Next active port in link becomes new master port if original master port becomes unavailable

C.

The only aggregation method that can increase single stream performance

D.

Does per packet load balancing across aggregated links

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Question # 10

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

A.

14 days

B.

48 hours

C.

1 week

D.

1 month

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Question # 11

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

A.

500MB or 2GB depending on the version of OneFS.

B.

As defined by parameters set in the node initialization wizard.

C.

As large as the cluster size minus the production data.

D.

500MB by default or more if configured by an administrator at setup.

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Question # 12

What would the "tracert" command help determine when troubleshooting client connection issues?

A.

Identify whether multiple paths exist and if one is down

B.

Can measure RTT and Whois information

C.

Tests IP connectivity and Dead Gateway Detection

D.

The current TCP/IP configuration from the client

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Question # 13

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 cleanly?

A.

isi devices -a smartfail -d 6

B.

isi_reformat_node -d 6

C.

isi_reimage -d 6

D.

isi config > remove 6

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Question # 14

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

A.

isi_gather_info and isi_for_array

B.

isi_gather_info and isi_radish

C.

isi_for_array and isi_inventory_tool

D.

isi_gather_info and isi_hw_status

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Question # 15

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

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Question # 16

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

A.

Archive directory

B.

In process directory

C.

Staging directory

D.

Watch directory

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