DES-1B21 Online Practice Questions and Answers

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

A. Read

B. Write

C. Read and write

D. No operations allowed

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

Which data encryption mode is supported by ECS?

A. RSA BSAFE FIPS 140-2

B. Standard CBC

C. GCM

D. SEC 17-A4

ECS has old data on the disks. What command should be used to prepare the disks for a new install of the ECS software?

A. domulti cs_hal list disks

B. viprexec -i "clean_disks --all-dae-and-internal-nonsystem-disks"

C. blkid

D. viprexec "parted rm*"

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

Which command should be used to wipe the data disks to prepare an ECS rack for fabric, and HAL installation?

A. format

B. clean_disks

C. sysdisk

D. partition

Which user role has access to all areas of the ECS portal?

A. System Administrator

B. Namespace Administrator

C. Tenant Administrator

D. Power user

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

A company has removed the VDC from the replication group and is no longer able to add it back. What is the cause of this issue?

A. The same VDC cannot be added back to the replication group, it must be given another name

B. The VDC cannot be added back to the existing replication group, a new replication group must be created for the VDC

C. The same VDC can be added back to the replication group, but only before failover processing is completed successfully

D. Removing the VDC from the replication group initiates failover processing for permanent failures

Which configuration tasks are required in ECS in order to enable NetWorker with CloudBoost and ECS integration?

A. Create a dedicated storage pool for CloudBoost storage Create a dedicated namespace for CloudBoost storage

B. Create a dedicated storage pool for CloudBoost storage Create a federated Virtual Data Center configuration

C. Create a dedicated namespace for CloudBoost storage Create an object user account for CloudBoost access

D. Create a special bucket to store CloudBoost objects Create a federated Virtual Data Center configuration