EMC DES-1B21 Online Practice Questions and Exam Preparation

EMC DES-1B21 Online Questions & Answers

• Question 11:

  What services are reachable from all nodes and must be included in every ECS data center?

  A. NTP and SNMP
  B. DHCP and PXE
  C. DNS and NTP
  D. SMTP and FTP
  C. DNS and NTP

• Question 12:

  For which type of bucket-level encryption is unsupported?

  A. Swift
  B. S3
  C. CAS
  D. HDFS
  C. CAS

• Question 13:

  The ECS network solution for an organization is designed to have 4x10GbE uplinks connected to both Cisco switches. The organization will create the needed port channels. What additional configuration on the Cisco switches is recommended for high availability and redundancy?

  A. Ring topology
  B. Dedicated VLANs
  C. Spanning tree protocol
  D. Virtual port channel
  B. Dedicated VLANs

• Question 14:

  By default, which file contains ECS information for configuring ESRS?

  A. provision.txt
  B. topology.txt
  C. customer.json
  D. MACHINES
  A. provision.txt

• Question 15:

  What is a prerequisite for an end user to obtain the license file?

  A. License Authorization Code (LIC)
  B. ECS access to ELMS website
  C. Software ID (SWID)
  D. Number of ECS nodes
  A. License Authorization Code (LIC)

• Question 16:

  A storage administrator is trying to create a new bucket using s3curl.pl. They use a URL, pointing to their load balancer. The SSL connection is terminated on the load balancer. What port number should be used all the command line?

  A. 9020
  B. 9021
  C. 9023
  D. 9025
  A. 9020

• Question 17:

  Which NAN network topology will suffer from a split-brain condition if a single connection between turtle switches is lost?

  A. Daisy chain
  B. Common bus
  C. Star
  D. Ring
  A. Daisy chain

• Question 18:

  You are configuring a DD Cloud Tier and ECS system as part of a LTR cloud backup solution. When adding the Cloud Unit in the Data Domain system you cannot connect to the ECS system. What is preventing the configuration from being completed?

  A. The namespace used for DD Cloud Tier is applied to a federated VDC instead of a single VDC.
  B. Two different DD Cloud Units were added as "Dell EMC Elastic Cloud Storage (ECS)".
  C. Other namespaces reside on the same storage pool where the namespace for DD Cloud Tier is created.
  D. Ports 9020 and 9021 are closed in the firewall between the DD system and the ECS load balancer.
  B. Two different DD Cloud Units were added as "Dell EMC Elastic Cloud Storage (ECS)".

• Question 19:

  A storage administrator asks you if ECS requires the use of file gateways for Hadoop data. What should be your response?

  A. Yes; ECS comes with a file gateway that automatically moves the data to the ECS
  B. Yes; ECS acts as a file gateway
  C. No; ECS has a built-in tool to move data into HDFS
  D. No; ECS does not require file gateways
  D. No; ECS does not require file gateways

• Question 20:

  Which configuration task is optional in ECS when enabling Dell EMC Isilon CloudPools and ECS integration?

  A. Generate a S3 secret key to add to the CloudPools configuration
  B. Install the CloudPools license in ECS
  C. Create a dedicated storage pool CloudPools storage
  D. Create an object user account for CloudPools access
  A. Generate a S3 secret key to add to the CloudPools configuration