D-PSC-DS-01 무료 덤프문제 온라인 액세스

You are sizing a PowerScale Gen6 cluster for a small organization that is concerned about the availability of the journal during an extended power outage.
What is a consideration when sizing?

• A.Journal is written to nonvolatile storage if power is lost.
• B.Journal must be protected by an external UPS.
• C.Battery life within each node is a limiting factor.
• D.Journal is replicated to all nodes within a chassis.

Your customer has an Isilon Gen 6 cluster with eight H400 nodes. During an unexpected power outage some of the nodes go offline simultaneously.
How many nodes need to remain up and communicating over the backend network to maintain a quorum in the cluster and still enable write access to the OneFS file system?

• A.5
• B.6
• C.2
• D.4

What is a benefit of using SSDs for Metadata Read/Write Acceleration?

• A.Can be mixed with L3 cache on same node pool
• B.Guarantees data can be pinned to SSD
• C.Improved create, write, and delete performance
• D.Does not need numerous SSDs to be effective

A customer has 10 nodes in a cluster using N+2 protection.
What is the minimum number of nodes required to be online and in communication with one another to satisfy quorum?

• A.5
• B.6
• C.7
• D.4

A company wants to reduce the footprint in their data center. They recently completed a proof of concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have determined that incorporating an Isilon cluster into their Hadoop environment would help in reducing this footprint.
Which Hadoop components can be consolidated onto the Isilon cluster to reduce the footprint?

• A.DataNode and NameNode
• B.DataNode and ComputeNode
• C.NameNode and TaskTracker
• D.ComputeNode and NameNode