Isilon Specialist Exam for Platform Engineers v6.0

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Exam contains 111 questions
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Your customer is using a directory for a VMware environment. To which access pattern should you set the directory?

  • A. Random
  • B. Concurrency
  • C. Streaming
  • D. Aggregate


Answer : A

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


Answer : A

Which command displays details for a specific event?

  • A. isi events show -i
  • B. isi events list -i
  • C. isi events unquiet -i
  • D. isi events notifications list


Answer : A

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


Answer : A

What is a potential result of increasing the level of logging detail on your cluster?

  • A. You could affect the performance of the cluster.
  • B. You could fill up the limited space in the /tmp directory.
  • C. There is no way to do this without recompiling the kernel.
  • D. You will create an unsupported condition on the cluster.


Answer : A

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

  • A. /var/log/messages
  • B. /var/crash
  • C. /ifs/data/Isilon_Support
  • D. /var/journal


Answer : A

What is the function of the SmartConnect service IP?

  • A. Used by a DNS server to forward SmartConnect zone lookups to the cluster
  • B. Defines the name that clients use when connecting to the cluster across the network
  • C. Acts as a DNS server IP address to answer questions for top level domain
  • D. Resolves cluster names only does not resolve external names


Answer : A

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


Answer : A

You are monitoring your customer's cluster and find that almost all of the client activity is occurring on Logical Node Number 1.
What is a potential cause of this?

  • A. SmartConnect is not configured correctly.
  • B. The AutoBalance job is not running.
  • C. The CELOG coalescer service is hung.
  • D. Only LNN 1 is configured in AIMA.


Answer : A

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.


Answer : A

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


Answer : A

Your customer has provided CELOG events database from their cluster.
Which tools can be used to view this database?

  • A. SQLite3 based tools
  • B. CSV file tools
  • C. XML tools
  • D. Standard text editors


Answer : A

What best describes a requirement of the CELOG Master Coalescer node?

  • A. The node must be connected to the external network.
  • B. The node must have LNN 1
  • C. The node performs preliminary analysis of other nodes log files
  • D. The node only runs the CELOG service isi_celog_notification


Answer : A

A large cluster running OneFS 7.0 that has lost several drives is not deleting old snapshots.
What might explain this?

  • 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.


Answer : A

You have a 6 node cluster consisting of 3 identical S nodes and 3 Identical NL nodes. The
S nodes each have 3 SSD drives for metadata acceleration of the data in the S node pool.
You SSH into the cluster and login as root. You run the command isi job status and see that a FlexProtect job is currently running.
What could this indicate?

  • A. A disk failure has occurred on the cluster
  • B. The NVRAM batteries in one of the nodes have failed
  • C. The cluster has lost quorum
  • D. Metadata is being migrated from hard drives to SSD drives


Answer : A

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Exam contains 111 questions
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