EMC DES-1B21 Online Practice Questions and Exam Preparation

EMC DES-1B21 Online Questions & Answers

• Question 21:

  A storage administrator enquires about configuring S3 buckets with NFSv3. What should be your response?

  A. ECS offers S3 buckets that can be written via S3 protocol only
  B. ECS offers S3 buckets that can be configured with the NFSv3 protocol
  C. S3 buckets can be configured with HDFS but not NFSv3
  D. S3 buckets cannot be configured with the NFSv3 protocol
  B. ECS offers S3 buckets that can be configured with the NFSv3 protocol

• Question 22:

  What is a characteristic of ECS?

  A. Cannot be federated to protect data across multiple sites
  B. Cannot be run on-Dell EMC hardware for custom solutions using existing resources
  C. Provides offline object access for mobile, desktop, and enterprise applications
  D. Provides simultaneous access to data via several standard industry protocols
  D. Provides simultaneous access to data via several standard industry protocols

• Question 23:

  When a disk state is suspect, what are the allowable disk operations?

  A. Read
  B. Write
  C. Read and write
  D. No operations allowed
  A. Read

• Question 24:

  Which port needs to be opened between ECS and ESRS for registration of remote support?

  A. 21
  B. 3218
  C. 9020
  D. 9443
  D. 9443

• Question 25:

  A disk status appears as "Suspect" in the ECS portal. What does this mean?

  A. System no longer writes to the disk but will read from it
  B. Drive failure has occurred and the drive has to be replaced
  C. System neither reads from, nor writes to, the disk
  D. System can write to the disk but will no longer read from it
  D. System can write to the disk but will no longer read from it

• Question 26:

  What does ECS S3 authentication with signature version 2 use to sign requests?

  A. Access key ID
  B. Secret key
  C. Credential scope
  D. Namespace name
  A. Access key ID

• Question 27:

  An organization wants to use network separation to eliminate exposure of the separated traffic to the entire ECS public network. Which network separation method should they use?

  A. VIP
  B. Multi
  C. Dual
  D. VLAN
  D. VLAN

• Question 28:

  Which type of data service is provided by ECS?

  A. NFSv2
  B. CIFS
  C. Block
  D. Object
  D. Object

• Question 29:

  Which command is used to install the ECS software package?

  A. sudo ./run.sh
  B. sudo bin/installer –operation INSTALL
  C. sudo bin/installer –operation INSTALL_HAL
  D. sudo tar xfvz ecs*production*.tgz
  D. sudo tar xfvz ecs*production*.tgz

• Question 30:

  When planning for a multi-site ECS installation, what is the maximum network latency between sites?

  A. 100 ms
  B. 500 ms
  C. 1,000 ms
  D. 5,000 ms
  C. 1,000 ms