DES-1B21 Online Practice Questions and Answers

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

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

A. Read

B. Write

C. Read and write

D. No operations allowed

An implementation engineer is installing ECS and sees that node names are not resolving to the public IP address. Which command should they use to validate the ECS DNS configuration?

A. cat /etc/resolv.conf

B. getrackinfo -r

C. ifconfig

D. nslookup

In an environment with two or more VDCs, which operation is unavailable when network connectivity is interrupted between the VDCs?

A. Read object

B. Update object

C. Write object

D. Create bucket

What is the default path for the customized topology file?

A. /var/tmp/installer

B. /opt/emc/caspian/installer/conf/

C. /home/admin/

D. /opt/emc/caspian/installer

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

Which ECS S3 API method is used to create a new object?

A. Head

B. Get

C. Update

D. Put

A company wants its x64 Linux backup data sent directly to ECS. Which supported and most efficient configuration would you recommend for this environment?

A. Use a CloudBoost appliance as a NetWorker storage node to receive x64 Linux NetWorker client data and send it to ECS.

B. Use Client Direct with CloudBoost agent on the x64 Linux NetWorker client to transfer data to ECS.

C. Use a NetWorker storage node to receive x64 Linux NetWorker client data and send it to ECS.

D. Use Client Direct on the x64 Linux NetWorker client to send data to a CloudBoost appliance and then transfer it to ECS.

A newly configured ECS system contains 8 nodes. How many fragments will each ECS node contain when a data chunk is broken up by erasure coding?

A. 2

B. 4

C. 8

D. 16

An ECS storage administrator creates a bucket to be used by the NFS clients. The development team tries to write some objects using the S3 browser on the bucket. They call the storage administrator to inform them that they are experiencing write operation errors.

What is a possible reason for the errors?

A. Bucket is Read only

B. Secret key used is not correct

C. Object user needs write credentials

D. Base URL was not configured