EMC E20-357 Online Practice Questions and Exam Preparation

EMC E20-357 Online Questions & Answers

• Question 31:

  Which use case is a good candidate for SmartDedupe?

  A. Large number of files on a single node pool
  B. Large number of files across different node pools
  C. Files with duplicate blocks contained within them
  D. Files that are smaller than 32 K
  A. Large number of files on a single node pool

• Question 32:

  You are looking through the EMC Isilon Configuration Guide for management IPs and DNS information. Which tab of the document contains this information?

  A. Core
  B. Design Intent
  C. Customer Information
  D. Topology
  A. Core

• Question 33:

  What information is displayed by the isi_hw_status command?

  A. Hardware components and selected statistics
  B. Health status of both NVRAM batteries
  C. Subnet and pool membership for the interfaces
  D. Status of drives in the node
  A. Hardware components and selected statistics

• Question 34:

  Which CLI command(s) properly turns off an EMC Isilon cluster?

  A. isi config >>> shutdown all
  B. shutdown -p now
  C. isi_flush; halt
  D. isi config >>> quit
  A. isi config >>> shutdown all

• Question 35:

  What are the On-Disk Identity types that appear in the web administration interface?

  A. SID, UNIX, and Native
  B. GUID, UID/GID, and Mixed
  C. AD, LDAP, and NIS
  D. SMB, NFS, and Mixed
  A. SID, UNIX, and Native

• Question 36:

  After operating an EMC Isilon 3-node cluster for some time, a customer notices that the amount of storage used seems significantly larger that it should be. The filesystem has a tremendous amount of small (<128K) files and the protection level is N+2d:1n. The customer does not want to sacrifice data protection.

  What should be done to increase available capacity?

  A. Nothing
  B. Defragment the disks
  C. Compress the small files
  D. Change protection to 2x mirroring
  A. Nothing

• Question 37:

  What additional Hadoop feature is provided by an EMC Isilon cluster environment?

  A. Multi-protocol access to HDFS data
  B. Reduced compute time
  C. Dependent compute and storage scaling
  D. Same security authentication as Hadoop
  A. Multi-protocol access to HDFS data

• Question 38:

  What is the size of a data stripe unit in KB?

  A. 8
  B. 64
  C. 128
  D. 256
  B. 64

• Question 39:

  What is used to reduce the time to ACK to the client for synchronous writes?

  A. Endurant Cache
  B. L1 Cache
  C. FAST Cache
  D. L2 Cache
  A. Endurant Cache

• Question 40:

  Which protocols are access zone aware in OneFS 7.2?

  A. SMB and NFS
  B. SMB and FTP
  C. NFS and HTTP
  D. FTP and NFS
  A. SMB and NFS