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Total 111 questions
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Isilon Specialist Exam for Platform Engineers Questions and Answers

Question 1

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?

Options:

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.

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Question 2

Which command displays details for a specific event?

Options:

A.

isi events show -i

B.

isi events list -i

C.

isi events unquiet -i

D.

isi events notifications list

Question 3

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

Options:

A.

Action

B.

Option

C.

Command

D.

Subcommand

Question 4

The SmartConnect Service IP acts as which component of the DNS system?

Options:

A.

Authoritative Name Server

B.

Root Server

C.

Recursive Resolver

D.

Reverse Lookup Zone

Question 5

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

What might explain this?

Options:

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.

Question 6

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 "Isilon-1", what command could be used to search inside these logs for a search string "group"?

Options:

A.

cat Isilon-1-* | grep -i group | tail

B.

grep group Isilon-1-*

C.

tail -1 Isilon-1-* | grep group

D.

cat * | grep group

Question 7

Which characteristic is present in dynamic pool configuration?

Options:

A.

Best for NFSv2 and NFSv3 clients

B.

Best for SMB and NFSv4 clients

C.

IP addresses do not failover if node is lost

D.

Only allocates a single IP address per NIC

Question 8

What are SNMP GETs?

Options:

A.

Messages requesting information, sent from the SNMP manager to the SNMP agent

B.

Messages reporting a condition, sent from the SNMP agent to the SNMP manager

C.

Messages generated by the SNMP manager when it can no longer contact the SNMP agent

D.

Messages generated by the SNMP agent when it can no longer contact the SNMP manager

Question 9

Which log file contains information about possible drive errors?

Options:

A.

isi_radish.log

B.

diskpools.log

C.

isi_hdfs_d.log

D.

isi_hwmon.log

Question 10

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

Options:

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

Question 11

You are working on a nine node cluster with a protection policy of N+2:1.

How many nodes must be able to communicate with each other across the internal network to maintain a quorum?

Options:

A.

5

B.

4

C.

7

D.

8

Question 12

How many SIP addresses are allowed per Isilon cluster subnet?

Options:

A.

One

B.

Two

C.

Eight

D.

Depends on the number of nodes

Question 13

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 problem?

Options:

A.

isi devices -d 2

B.

isi status -d 2

C.

isi devices -n 2

D.

isi config >>> status

Question 14

A customer has configured a job to have a high impact level.

How will the job engine react to this action?

Options:

A.

It will allocate additional resources to the job when it runs.

B.

It will not pause the job for higher priority jobs.

C.

It will preserve the impact level if node load levels are too high.

D.

It will lower the priority level if node load levels are too high.

Question 15

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

Options:

A.

Customer Name > Cluster Name > Upload Date

B.

Customer Name > Upload Date > OneFS Version > Cluster Name

C.

Customer Name > SR Number > Node Name-Number

D.

Customer Name > Upload Date > Node Name-Number

Question 16

During a cluster split which log file, on each node, does the cluster update?

Options:

A.

/var/log/messages

B.

/var/crash

C.

/ifs/data/Isilon_Support

D.

/var/journal

Exam Detail
Vendor: EMC
Certification: EMC Other Certification
Exam Code: E20-655
Exam Name: Isilon Specialist Exam for Platform Engineers
Last Update: Jan 15, 2025
E20-655 Question Answers
Page: 1 / 4
Total 111 questions
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