E20-555 Exam Questions

What is the minimum number of connected and available nodes required to maintain quorum in a 25-node Isilon cluster?

An Isilon customer experienced a node failure. The failure requires that the affected node be permanently removed from the cluster. What will occur in the cluster upon failure of t...

A customer experiences a system failure on an Isilon storage node.However, the disk drives in the node are not affected. What is the preferred method for restoring cluster integrit...

A customer plans to deploy N+2:1 protection on a 5-node Isilon cluster. How much capacity will be used to store a 320 KiB file?

A customer plans to deploy N+2:1 protection on a 5-node Isilon cluster. How much capacity will be used to store a 1024 KiB file?

An Isilon customer's administrator created the nested directory structure, shown in the exhibit, using SmartQuotas. However, a user needs to write an additional 650 GB of data to "...

Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming.The customer reports that the playback p...

While configuring Isilon SmartConnect, a customer determined that their workload primarily consists of long-lived NFS and SMB connections. Which load-balancing policy will provide...

If Isilon SmartConnect is being configured in a customer environment, which records are required for a supported implementation?

A customer currently has 10 HPC nodes. They plan to purchase a 5-node Isilon X400 cluster for an HPC application running on Linux. They will persistent mount the Isilon cluster thr...

A customer is configuring Isilon SmartConnect. They have determined that their workload primarily consists of short-lived connections, such as HTTP and FTP. Which load-balancing po...

An Isilon customer has an environment supporting a wide range of different workloads. They want to assign clients to performance tiers based on the resources needed. What can the c...

If Dynamic IP Address Allocation is being configured in Isilon SmartConnect, which policy setting needs to be determined?

An Isilon cluster component has the following characteristics: - Spans 3 - 40 nodes - Logical grouping of drives - Automatically assigned - Intelligently distributes disks to manag...

An Isilon customer has an 8-node cluster of older X-Series nodes. They plan to upgrade the nodes over the next three years in the following stages: - Stage 1: Add 2 X-Series nodes...

If business objectives such as value and SLAs are considered, which Isilon license feature provides the ability to manage performance and the cost of data in a cluster?

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...

By default, which method is used by Isilon OneFS for SSDs?

A customer has a data retention period of three years. They want a solution in which files cannot be deleted, changed, or modified. Which Isilon SmartLock version should they imple...

An Isilon customer implemented a retention period at the directory level. They set individual retention periods on individual files within those directories. Which retention period...

An Isilon customer wants to more effectively manage their storage and thereby achieve performance improvements. Which tool will help improve workflow performance on their cluster?

In an Isilon environment, how is InsightIQ installed?

On an Isilon cluster, how much space should be reserved for snapshots by default?

How does Isilon SnapshotIQ use storage for snapshots?

A customer is considering moving their NAS data over to Isilon systems. They want to know if the Isilon systems have any limitations regarding snapshots. What explanation can be pr...

A customer created one month of snapshots; one snapshot every 8 hours for 30 days on an Isilon cluster using SnapshotIQ. They are now deleting the snapshots randomly and experienci...

An Isilon customer wants to have different snapshot policies and schedules on the same directory. Why is this possible on an Isilon cluster?

Using Isilon SnapshotIQ, how many snapshots can be created at the directory level?

A customer has an SMB file directory with 375 TB of data on the primary cluster with a protection level of N+3:1. They want to replicate this directory to the secondary cluster. Th...

A customer created eight SyncIQ policies on a 6-node Isilon cluster. The policies all start at midnight. The customer is experiencing issues where several jobs are paused while oth...

A customer has 10 files that are each 10 MB in size. They created two clones of each file on their source cluster. They now want to use SyncIQ to replicate the original files and t...

Which block size is used by Isilon SyncIQ to transfer data?

A customer has two data centers (Site A and Site B). There is an Isilon cluster in each data center and they use SyncIQ to replicate data between the two data centers. You have bee...

A customer has two data centers (Site A and Site B).There is an Isilon cluster in each data center and they use SyncIQ to replicate data between the two data centers. You have revi...

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...

An Isilon customer created a scheduled SyncIQ policy to replicate data from an Enterprise-mode SmartLock directory. The source cluster is now unusable and the target cluster does n...

An Isilon customer has two 5-node clusters; one for production and one for disaster recovery (DR). The customer's workflows are replicated to the DR cluster through SyncIQ on indiv...

An Isilon customer has two 5-node clusters; one for production and one for disaster recovery (DR). The customer's workflows are replicated to the DR cluster through SyncIQ on indiv...

You set up a meeting to gather information on a new project with the IT manager and plan to use a workflow profile assessment (WPA) to document the requirements. Why is it recommen...

What key considerations should be kept in mind when designing a 300TB solution?

You meet a customer for the first time. They explain that their current environment for NAS does not meet their needs. You want to make sure that Isilon is a good fit for their nee...

You meet a customer for the first time. They explain that their current environment for NAS does not meet their needs. You want to make sure that Isilon is a good fit for their nee...

You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial solution design. Each iterative discussion with the customer helps you define the sol...

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

When designing Isilon solutions, what issues should you pay special attention to?

When designing Isilon solutions, which issue should you pay special attention to?

Your customer purchased an Isilon cluster with eight X400 nodes for Home Directories. Your follow-up discussions have uncovered an opportunity to expand the cluster to support the...

You have had several discussions with your customer in the processor design industry. They have stated that they want a Scale-Out NAS platform for their design environment. Their m...

You have gathered information from your customer about their current NAS environment. They indicated they are having performance and time-out issues with their clients accessing th...

A cost-conscious customer is exploring Isilon for their PACS archive. The workflow consists of one hundred cases a day, each including fifty 60MB image files. However, each image w...