EMC E20-555 Online Practice Questions and Exam Preparation

EMC E20-555 Online Questions & Answers

• Question 91:

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

  A. Perform Disk Tango
  B. Perform a disk SmartFail
  C. Perform FlexProtect
  D. Perform a node SmartFail
  D. Perform a node SmartFail

• Question 92:

  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 through NFSv3. Which recommended configuration addresses the customer's requirements for high availability and throughput?

  A. SmartConnect Advanced with Round Robin connection balancing and dynamic addressing
  B. SmartConnect Basic with Round Robin connection balancing and dynamic addressing
  C. SmartConnect Advanced with Network Throughput connection balancing and dynamic addressing
  D. SmartConnect Advanced with Round Robin connection balancing and static addressing
  A. SmartConnect Advanced with Round Robin connection balancing and dynamic addressing

• Question 93:

  -- Exhibit -A European Sports TV network is considering Isilon for their Media Edit Storage for their editing workloads. They are also considering Isilon for near-line media archiving.

  The network receives XDCAM HD footage which is loaded onto their existing Transcoding Storage platform. New footage that needs to be edited will be transferred from their Transcoding Storage platform to the proposed Media Edit Storage

  platform at the rate of ten simultaneous XDCAM HD files via FTP. Edited files will be transferred back to the Transcoding Storage platform at the rate of ten simultaneous XDCAM HD files via FTP.

  The network currently has 15 Final Cut Pro edit stations, 15 Avid edit stations. Proxy software will be used to allow Isilon to act as the storage for the Final Cut Pro and Avid media. Three of those edit stations will be performing content

  compositing as needed.

  The network expects 70 hours of new content per week, and 50 hours of edited content per week. They intend to keep the new and edited content on the proposed Media Edit Storage as a performance tier for 30 days. They would like to

  retain all new and edited footage proposed Media Edit Storage as a near-line tier for two years.

  In addition to the current workloads, the network expects to implement a new Media Asset Management (MAM) solution and has requested the Isilon cluster be capable of supporting 120 MBps read and 120 MBps write to support the MAM

  requirements.

  -- Exhibit -

  Refer to the exhibit.

  

  Based on the described use of the cluster, what are the customer's capacity requirements?

  A. 30 days retention: 15 TB; 2 years retention: 360 TB
  B. 30 days retention: 5 TB; 2 years retention: 120 TB
  C. 30 days retention: 1 TB; 2 years retention: 24 TB
  D. 30 days retention: 30 TB; 2 years retention: 720 TB
  A. 30 days retention: 15 TB; 2 years retention: 360 TB

• Question 94:

  A four node F800 Isilon cluster running OneFS 8.2.1 has a dedicated subnet and IP pool for SMB data traffic. SmartConnect Advanced license is applied. The SMB IP pool consists of LACP aggregated. 10GigE interfaces from all the nodes. What is the maximum number of SmartConnect Service IPs recommended for the SMB subnet?

  A. 1
  B. 2
  C. 4
  D. 6
  A. 1

• Question 95:

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

  A. 0%
  B. 5%
  C. 10%
  D. 20%
  A. 0%

• Question 96:

  What is a Shadow Store used for in Isilon OneFS?

  A. Shared data for clones and original files
  B. Changed block data for clones and original files
  C. Changed block data for SyncIQ
  D. Changed blocks for SnapshotIQ
  A. Shared data for clones and original files

• Question 97:

  What is the minimum number of nodes in an Isilon cluster for N+2 protection?

  A. 3
  B. 5
  C. 6
  D. 9
  B. 5

• Question 98:

  A customer is planning an Isilon deployment for use with their Hadoop environment. What is one advantage of using Isilon as the HDFS layer?

  A. Facilitates independent scaling of compute and storage nodes
  B. Provides single protocol access to data
  C. Integrates storage into Hadoop compute for more flexibility
  D. Allows the compute nodes to apply data protection
  A. Facilitates independent scaling of compute and storage nodes

• Question 99:

  Your customer has observed a degradation in response time while browsing for media files within the Production Media folder of the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.

  What changes to the Isilon cluster will best accelerate the browsing performance?

  A. Add Solid State Drives (SSDs) to the nodes
  B. Add A-Series Performance Accelerator nodes
  C. Upgrade node access to 10 Gbps
  D. Upgrade RAM on the nodes
  A. Add Solid State Drives (SSDs) to the nodes

• Question 100:

  When installing nodes into a Dell EMC rack, which node type requires the use of a Titan-HD rack?

  A. H500
  B. F800
  C. A2000
  D. A200
  C. A2000