E20-555 Exam Questions

Your customer is moving from a Restaurant/Bar business model to a Restaurant/Casino business model. You are helping architect the upgrade of a current 4-node X200 48 TB Isilon clus...

Your customer has a new business unit. They are gathering web log files to be analyzed. They are using Hadoop to do the analysis of the logs. The IT department is centrally storing...

A telecommunications company has a substantial amount of data. This data is being created by network elements within their environment. The company wants to change the way the netw...

A telecommunications company has a substantial amount of data. This data is being created by network elements within their environment. The company wants to change the way the netw...

A telecommunications company has a substantial amount of data. This data is being created by network elements within their environment. The company wants to change the way the netw...

Your customer manages a print media environment, consisting of three Isilon clusters, which are out of support. The customer would like to have access to new software releases and...

Your customer manages a print media environment, consisting of three Isilon clusters, which are out of support. The customer would like to have access to new software releases and...

A customer wants to replace a legacy storage environment used for high definition video editing. Each workstation connecting to the shared storage needs to sustain 650 MB/s of sing...

Which process is used to protect file system structures against corruption through 32-bit CRC checksums?

Which level of control does RBAC provide for cluster administration roles?

Which type of antivirus scan is unsupported by Isilon OneFS?

How many impact policy levels are available when configuring Isilon jobs?

A customer environment is used for analytics on very large datasets. They are interested in using Isilon storage and Hadoop but are concerned about the costs. How does Isilon chang...

Where does Endurant Cache stage its write cache?

When a client requests a file to read from an Isilon cluster, in which order does the read operation access the hardware in a node?

In an Isilon cluster, what is the largest number of nodes that a single file can be striped across?

What is the smallest unit of data that Isilon OneFS will write to disk?

Given a 5-node Isilon cluster configured with an N+2 protection level, how many nodes can be offline with the data accessible and fully writeable?

If a customer experiences a node failure while at 90% capacity, what is the fastest way of replacing the node in an Isilon cluster?

When using an N+2:1 protection policy on a 7-node Isilon cluster, how much capacity will be used to store a 510 KiB file?

If an Isilon customer has an environment that requires usage data for chargeback, for analyzing usage trends and for capacity planning, which type of quota enforcing option should...

In an Isilon environment, which event will avoid Dynamic IP Address reallocation?

By default, how much space needs to be reserved for snapshots on an Isilon cluster?

If a file is 4 KB in size, how much space is consumed for file data when it is written to the Isilon cluster?

Which Isilon OneFS job is responsible for examining the entire file system for inconsistencies and runs manually?

An Isilon has two ports configured per node. Each port is on a different VLAN. Although incoming traffic is evenly distributed, transmitted data from the Isilon uses one port more...

A company wants to have their new Gen 6 Isilon cluster benchmarked for a UNIX environment. What commonly available open source tool is typically used to test an Isilon cluster's pe...

An Isilon has 6 X410 nodes and 4 NL410 nodes. How many job engine directors does the cluster have?

What is appropriate for capturing packets for later analysis of I/O request sizes and randomness on Isilon clusters?

There is a requirement to use dynamic link aggregation to maximize throughput and resiliency on a new Isilon cluster servicing SMB and NFS data. What is the recommended configurati...

A cluster has user quotas configured for user's home directories with hard limits and advisory limits set. What would the default setting be for calculating user quotas on the clus...

A company has purchased an Isilon cluster. The storage administrator knows they will have a large number of clients with similar workloads connecting to the cluster through NFS, an...

The data access pattern on a Gen 6 Isilon cluster in Concurrency. What describes this workload?

What is a characteristic of predefined sets of privileges of OneFS built-in administrator roles?

A customer has an Isilon cluster with 6 nodes and a single 4-core CPU per node. The default configuration for SyncIQ workers per CPU core and SyncIQ workers per node per job limits...

You have been tasked with designing a solution for a company that wants to logically separate access to their Isilon storage by department. Each of their major internal departments...

Which OneFS feature enables you to host multiple tenants from mutually untrusting AD authentication environments from the same DNS namespace?

On an 18-node Isilon cluster with the default protection setting, what is the actual layout of a 128 KB file?

A system administrator has identified a problem on the cluster and has opened a service request on support.emc.com. They initiate isi_gather_info but it is taking a long time to co...

What is the best case performance for Backup Accelerator when backing up to LTO-4 or LTO-5 drives?

Which Isilon feature increases available space by consolidating copies of identical blocks of data?

Which Isilon tool can be run from the cluster to display Isilon statistics such as CPU activity?

You are setting up SmartPools on the cluster. Which Microsoft Windows system tool will illustrate the difference in performance experienced by clients connecting to different tiers...

An Isilon customer is experiencing less than expected performance and poor space utilization with their cluster. They are using the X400 nodes with an N+2d:1n protection policy to...

You have received a critical task that requires immediate analysis of system performance. Captured data will later be processed by MiTrend, but a current assessment is not availabl...

Which tool measures actual throughput and produces sophisticated graphs?

What is the maximum number of data stripes in a Gen 6 Isilon?

You are designing an Isilon 5-node cluster configuration for a customer who wants to store user home directories on the new cluster. Each user has 100 small files of 4KB each, 100...

Which license is a prerequisite for enabling CloudPools?

In OneFS, what is the largest number of disks in a subpool?