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EMC E20-655 Isilon Specialist Exam for Platform Engineers Exam Practice Test

Demo: 16 questions
Total 111 questions
Get E20-655 Full Access Download E20-655 PDF

Isilon Specialist Exam for Platform Engineers Questions and Answers

Question 1

What are SNMP traps?

Options:

A.

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

B.

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

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 2

What is the difference between a rolling upgrade and a simultaneous upgrade?

Options:

A.

A simultaneous upgrade reboots all nodes at the same time after upgrade. And a rolling upgrade will reboot each node in sequence after upgrading it.

B.

A rolling upgrade will upgrade OneFS and then the firmware. And a simultaneous upgrade does both at the same time.

C.

A rolling upgrade requires a reboot confirmation to proceed while a simultaneous upgrade starts with the lowest LNN.

D.

A simultaneous upgrade reboots all nodes before the upgrade and a rolling upgrade reboots each node after upgrade.

Question 3

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

Options:

A.

Archive directory

B.

In process directory

C.

Staging directory

D.

Watch directory

Question 4

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 5

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 6

Your customer has reported that one of their FastEthernet clients is not getting the same throughput to their cluster as other FastEthernet clients.

What would be the best troubleshooting step?

Options:

A.

Verify the link is operating in full duplex mode

B.

Verify the cable is plugged into the switch

C.

Check for a link light on the port

D.

Check for any sharp bends in the InfiniBand cable

Question 7

A customer has configured Failover on their cluster InfiniBand interfaces. Which InfiniBand interface will the Failover address be bound to?

Options:

A.

Neither Int-A nor Int-B

B.

Both Int-A and Int-B

C.

Only Int-A

D.

Only Int-B

Question 8

Your customer is using a directory for a VMware environment. To which access pattern should you set the directory?

Options:

A.

Random

B.

Concurrency

C.

Streaming

D.

Aggregate

Question 9

A customer is using IBM's Tivoli Monitoring management software and reports that SNMP data for the Isilon cluster is indecipherable.

How can this be resolved?

Options:

A.

Download Isilon MIBs from the cluster or from Isilon Knowledgebase.

B.

Contact software vendor and request an upgrade to SNMP software

C.

Write a program to convert SNMP numbers to a readable format

D.

Extract records with object identifier of 12124 and process with Excel

Question 10

Where does the SNMP agent reside?

Options:

A.

On each cluster node

B.

On one cluster node, until that node fails

C.

On the management server

D.

On the network monitoring station

Question 11

What description best fits sysctl on Isilon nodes?

Options:

A.

It is a dangerous tool that can severely affect cluster operations and should only be used with great care.

B.

It has no chance of harming the cluster, so it can be used freely by any operator.

C.

It is dangerous, but parameters do not change from version to version and are safe to modify based on prior knowledge.

D.

It can be safely used as long as only local node parameters are altered, rather than network parameters.

Question 12

You have been asked to configure SmartConnect basic on an Isilon cluster. Which load balancing connection policy should be configured?

Options:

A.

Round Robin

B.

Connection Count

C.

Network Throughput

D.

CPU Usage

Question 13

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

Options:

A.

FTP

B.

SMB

C.

SCP

D.

NDMP

Question 14

Your customer has installed a series of new nodes, and wishes to remove the old node 12 now that the installation is complete. Which command should be used to perform this task cleanly?

Options:

A.

isi devices -a smartfail -d 12

B.

isi_reformat_node -d 12

C.

isi_reimage -d 12

D.

isi config > remove 12

Question 15

What is an important consideration when upgrading a cluster from OneFS 6.5.x.x to OneFS 7.0.x.x?

Options:

A.

Disk pools may need to be reconfigured.

B.

SmartConnect may need to be reconfigured.

C.

SnapshotIQ may need to be reconfigured.

D.

SmartQuotas will have to be reset.

Question 16

When are non-path based file pool policies applied to files which have been written to the cluster?

Options:

A.

Whenever the SmartPools job runs

B.

Only at 22:00 Hrs

C.

Upon Ingress or at 22:00 Hrs

D.

Whenever the policies get updated via an edit.

Load More E20-655 Questions
Demo: 16 questions
Total 111 questions
Get E20-655 Full Access Download E20-655 PDF