E20-553 Exam Questions
85 real E20-553 exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1
A customer is looking for a new storage solution to handle their growing storage requirements. The system should be able to cover storage needs for the next three years. The enviro...
- Question #2
If a file is 4 KB in size, how much space is consumed for file data when it is written to the Isilon cluster?
- Question #3
A customer wants to consolidate approximately 300 TB of home directory servers and shared file systems used by development and test groups. A key requirement is to prevent the deve...
- Question #4
A customer plans to consolidate 200 TB of digital images and video content. Performance is important for recently created files. However, the customer wants any content that has no...
- Question #5
You are assisting a customer with creating an Isilon solution that will address their needs while remaining cost-effective. The customer environment consists entirely of archive da...
- Question #6
You are assisting a customer with creating an Isilon solution that will address their needs while remaining cost-effective. The customer environment consists of high IOPS-intensive...
- Question #7
Which node type adds CPU, memory, and Fibre Channel connectivity?
- Question #8
Which Isilon OneFS job is responsible for examining the entire file system for inconsistencies and runs manually?
- Question #9
In a supported cluster with the maximum protection level, how many simultaneous node component failures can Isilon OneFS sustain while still allowing full access to the entire file...
- Question #10
A customer wants an N+3 protection level on a cluster. What is the minimum number of nodes that needs to be purchased to achieve that level of protection?
- Question #11
Which technology is used by Isilon OneFS to re-write data when a disk read fails?
- Question #12
Which Isilon job periodically checks disk sectors to ensure they can be read?
- Question #13
Which Isilon job periodically validates the checksum of every block in the file system?
- Question #14
Which Isilon feature provides the ability to separate administrative rights from data access rights?
- Question #15
Which methods of Isilon OneFS administration are enforced by RBAC?
- Question #16
What does Isilon OneFS use to translate identities independent of protocol?
- Question #17
Which protocol does Isilon OneFS integrate with to provide on-access file scan functionality?
- Question #18
Which protocols are supported by Isilon OneFS for file access? EMC E20-553 Exam
- Question #19
Which impact policies are available on an Isilon cluster?
- Question #20
A customer's Isilon storage administrator is concerned about capacity after recently ingesting 200 TB of file data. The customer has recently added more nodes to the cluster and wa...
- Question #21
Which Isilon job has a default priority of '1'?
- Question #22
A customer is planning an Isilon deployment for use with their Hadoop environment. What is one EMC E20-553 Exam advantage of using Isilon as the HDFS layer in this instance?
- Question #23
How can an Isilon cluster simplify a Hadoop workflow that analyzes large amounts of log data written to storage using FTP and where results are viewed by Microsoft Windows clients?
- Question #24
On an Isilon node, where are file system operations initiated?
- Question #25
For concurrent I/O, how are Endurant Cache and SmartCache different?
- Question #26
On Isilon node, where is caching for disk blocks staged?
- Question #27
In an Isilon cluster, what is the relative latency of a cache hit to L1 cache versus L2 cache?
- Question #28
Where does SmartCache stage its write cache?
- Question #29
Which type of data is stored in an Isilon node's Endurant Cache?
- Question #30
When configuring data protection at +2:1 on a 6-node Isilon cluster, what is the overhead impact on the physical capacity?
- Question #31
Which Isilon OneFS protection level allows you to withstand two drive failures but no more than EMC E20-553 Exam one complete node failure?
- Question #32
If a customer has 10 nodes in a cluster with N+2 protection, what is the minimum number of nodes required to be online and in communication with one another to satisfy quorum?
- Question #33
What is the minimum number of nodes in an Isilon cluster for N+2 protection?
- Question #34
Given a 7-node Isilon cluster configured with an N+2:1 protection level, how many nodes can be offline with the data accessible and fully writeable?
- Question #35
At a minimum, how many connected and available nodes are required to maintain quorum in a 25- node cluster?
- Question #36
An Isilon customer has experienced a node failure which requires that the affected node be permanently removed from the cluster. Upon failure of the node, what will occur in the cl...
- Question #37
In an environment where an Isilon storage node has a system failure and disk drives are likely to be unaffected in the node, what is the preferred method for restoring cluster inte...
- Question #38
When using an N+2:1 protection policy on a 5-node Isilon cluster, how much capacity will be used to store a 320 KiB file?
- Question #39
When using an N+2 protection policy on a 5-node Isilon cluster, how much capacity will be used to store a 1024 KiB file?
- Question #40
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 "...
- Question #41
When configuring Isilon SmartConnect in a customer environment, which records are required for a supported implementation?
- Question #42
A customer is purchasing a 5-node Isilon X400 cluster for an HPC application running on Linux. The customer currently has 10 HPC nodes and will persistent mount the Isilon cluster...
- Question #43
While configuring Isilon SmartConnect, a customer has determined that their workload primarily consists of short-lived connections, such as HTTP and/or FTP. Which load-balancing po...
- Question #44
An Isilon customer has an environment with very different workloads. They would like to assign clients to performance tiers based on the resources needed. Which software functional...
- Question #45
When configuring Dynamic IP Address Allocation in Isilon SmartConnect, which policy setting needs to be determined?
- Question #46
Based on the following criteria: Spans 3 - 40 nodes Logical grouping of drives Automatically assigned Intelligently distributes disks to manage performance Which Isilon clu...
- Question #47
An Isilon customer currently has an 8-node cluster of older X-Series nodes. They are planning several upgrades over the next three years in the following stages: - Stage 1: Add 2 X...
- Question #48
Which Isilon license feature provides the ability to manage the performance and cost of data in a cluster as it relates to business objectives such as value and SLAs?
- Question #49
Which Isilon feature provides the ability to build a cluster using different node types and tiers to meet a customer's business objectives?
- Question #50
An Isilon customer needs to provide low latency I/O for their files due to a workflow which involves small, random reads and writes. Which SSD strategy is most effective for this u...