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E20-555 Exam Dumps - Isilon Solutions and Design Specialist Exam for Technology Architects

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Question # 9

If a client is mounted to the sixth node in a 20-node Isilon cluster, how much memory cache can that client leverage assuming each node has 8 GB of memory cache?

A.

16 GB

B.

40 GB

C.

120 GB

D.

160 GB

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Question # 10

During a write process in OneFS 8.0, from which cache are blocks copied to disk?

A.

L3

B.

L2

C.

Endurant

D.

L1

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Question # 11

When a Gen 6 Isilon cluster receives a file to be stored, which node(s) performs the FEC calculation?

A.

First node in each node pair

B.

Node that will be holding the FEC

C.

Node to which data was initially sent

D.

Each node in the cluster

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Question # 12

An Isilon customer has set up a replication policy between a primary cluster and a secondary cluster. After the initial synchronization of the clusters, the primary cluster starts to display some issues. The customer initiates a failover operation between the two clusters.

During the failover, the primary cluster becomes fully operational again. The customer wants to stop the failover operation between the two clusters.

What is the best way to stop the failover operation and continue using the primary cluster?

A.

Initiate a failover revert on the secondary cluster

B.

Initiate a failover revert on the primary cluster

C.

Nothing; this is an automatic process

D.

Delete the primary clusters' snapshot of this data

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Question # 13

What is the behavior of the Isilon time and date settings and what is the best practice?

A.

SMB time sync takes precedence over the NTP service

SMB time is enabled by default on the cluster

Best Practice: do not use SMB time, use NTP for cluster and Domain Controller

B.

NTP service takes precedence over SMB time sync

SMB time is enabled by default on the cluster

Best Practice: do not use NTP time, use SMB for cluster and Domain Controller

C.

NTP service takes precedence over SMB time sync

SMB time is enabled by default on the cluster

Best Practice: do not use SMB time, use NTP for cluster and Domain Controller

D.

SMB time sync takes precedence over the NTP service

SMB time is not enabled by default on the cluster

Best Practice: do not use NTP time, use SMB for cluster and Domain Controller

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Question # 14

A new customer is interested in an Isilon Gen 6 solution to replace their sprawling and outdated Linux

environment. Which client tool should you use to establish an estimate of the workload and pattern as an input to the sizing process?

A.

tcpdump

B.

lometer

C.

File System Analytics

D.

iostat

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Question # 15

When conducting high-level interviews with stakeholders of a project, what are the key questions that should be asked?

A.

How much usable storage are you looking for?What client OS will access this storage?Which applications will access this storage?

B.

Which backup application is in use today?What is your change rate?How many clients will connect to the cluster?

C.

What does your network architecture look likeDo you have existing NAS infrastructure?Do you have 10Gb or 1GbWhich applications will access this storage?

D.

Who are the application owners?How much usable storage is needed?What applications will be accessing the storage?How many users are in your Active Directory?

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Question # 16

An Isilon customer wants the ability to provide low latency I/O for their files due to a workflowinvolving small, random reads and writes. Which SSD strategy is most effective for this use case?

A.

Data on SSDs

B.

Metadata read acceleration

C.

Metadata read/write acceleration

D.

Avoid SSDs

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