E20-655 Exam Training Practice Tests (EMC Specialist

Question 1

How much summarized historical performance data can InsightIQ present?

A. 6 months' worth B. Unlimited C. 2 years' worth D. 1 year's worth

Correct Answer: D

Question 2

How many SIP addresses are allowed per Isilon cluster subnet?

A. Two B. Eight C. Depends on the number of nodes D. One

Correct Answer: D

Question 3

You are troubleshooting LDAP cluster integration.
What could you use to verify that the cluster can communicate to the configured LDAP server?

A. isi sync B. isi auth C. dcpromo D. isi job

Correct Answer: B

Question 4

You run the command "isi get -DD /ifs/data/foo.txt" on a 4 node cluster. The displayed results indicate a protection level of 6+2/2. What statement best describes 6+2/2?

A. Protection level of N+2:1; Contains 6 data stripes units and 2 FEC stripe units; Written to 2 drives per node B. Protection level of N+2: Contains 8 data stripe units and 2 FEC stripe units; Written to 1 drive per node C. Protection level of N+1: Contains 6 data stripe units and 1 FEC stripe unit; Written to 1 drive per node D. Protection level of N+2:1; Contains 8 data stripe units and 2 FEC stripe units; Written to 2 drives per node

Correct Answer: A

Question 5

You are supporting a customer's cluster with 3 node pools consisting of 10 S200 nodes, 18 X400 nodes, and 30 NL400 nodes. The customer is going to write a large number of 4MB files to the X400 node pool. The customer is very concerned about minimizing the amount of overhead. Which setting would be best for minimizing the amount of overhead?

A. N+2:1 will have less overhead. B. I/O optimization should be set to Random. C. N+2:1 or N+2 have the same amount of overhead. D. I/O optimization should be set to Streaming

Correct Answer: C

Question 6

Where does the SNMP agent reside?

A. On the management server B. On the network monitoring station C. On each cluster node D. On one cluster node, until that node fails

Correct Answer: C

Question 7

A customer is using HP OpenView management software and reports that SNMP data for the Isilon cluster is indecipherable.
How can this be resolved?

A. Download Isilon MIBs from the cluster or from Isilon Knowledgebase. B. Extract records with object identifier of 12124 and process with Excel C. Write a program to convert SNMP numbers to a readable format D. Contact software vendor and request an upgrade to SNMP software

Correct Answer: A

Question 8

What are SNMP traps?

A. Messages generated by the SNMP agent when it can no longer contact the SNMP manager B. Messages generated by the SNMP manager when it can no longer contact the SNMP agent C. Messages reporting a condition, sent from the SNMP agent to the SNMP manager D. Messages requesting reports, sent from the SNMP manager to the SNMP agent

Correct Answer: C

EMC Specialist - Platform Engineer, Isilon - E20-655 Exam Practice Test