EMC DES-1B21 Exam Questions Free Practice Test

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Questions # 1:

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

Options:

System no longer writes to the disk but will read from it

Drive failure has occurred and the drive has to be replaced

System neither reads from, nor writes to, the disk

System can write to the disk but will no longer read from it

Expert Solution

Questions # 2:

Which ECS array license file enables data services for storage management?

Options:

ViPR Commodity

ViPR HDFS

ViPR Unstructured

ViPR ECS

Expert Solution

Questions # 3:

What is a feature of D@RE?

Options:

Key management is controlled manually

Encryption can occur at namespace level only

Offers low-touch server-side encryption

Encryption can occur at bucket level only

Expert Solution

Questions # 4:

You are configuring a NetWorker with Cloud Boost solution using ECS as LTR backup. When adding the CloudBoost appliance in the Dell EMC Cloud Portal, the configuration fails and shows the following error:

Operation Completed with errors. Could not apply initial configuration. Reason: Validation failed; cloud profile is invalid.

What is causing this error?

Options:

Claim code is invalid when registering the CloudBoost appliance

ECS object access S3 password does not match ECS access key

Display name is set incorrectly for the ECS Cloud Profile

Neither port number 9020 nor 9021 is included in the ECS endpoint

Expert Solution

Questions # 5:

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?

Options:

The namespace used for DD Cloud Tier is applied to a federated VDC instead of a single VDC.

Two different DD Cloud Units were added as “Dell EMC Elastic Cloud Storage (ECS)”.

Other namespaces reside on the same storage pool where the namespace for DD Cloud Tier is created.

Ports 9020 and 9021 are closed in the firewall between the DD system and the ECS load balancer.

Expert Solution

Questions # 6:

In the Storage Service Layer, which distributed shared service runs on each ECS node to manage transactions and ensure data is committed?

Options:

Unstructured Storage Engine

Server-side encryption

Erasure coding

ECS media-data management

Expert Solution

Questions # 7:

For which type of bucket-level encryption is unsupported?

Options:

Swift

CAS

HDFS

Expert Solution

Questions # 8:

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

Options:

100 ms

500 ms

1,000 ms

5,000 ms

Expert Solution

Questions # 9:

Which SNMP version(s) are supported by ECS?

Options:

SNMP v3 only

SNMP v2 only

ECS does not support SNMP

SNMP v2 and SNMP v3

Expert Solution

Questions # 10:

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

Options:

System Administrator

Namespace Administrator

Tenant Administrator

Power user

Expert Solution

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