DES-1B21 Online Training Archives

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1. The ECS network solution for an organization is designed to have 4x10bE uplinks connected to both Cisco switches. The organization will create the needed port channels.

What additional configuration on Cisco switches is recommended for high availability and redundancy?

Ring topology

Dedicated VLANs

Spanning tree protocol

Virtual port channel

2. When a disk state is suspect, what are the allowable options?

Read

Write

Read and write

No operations allows

3. DRAG DROP

What is the correct order steps in the ECS software installation process?

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

ViPR Commodity

ViPR HDFS

ViPR Unstructured

ViPR ECS

5. Which command is use to install the ECS software package?

A)

Option

6. The ECS is not PXE-booting nodes 2 through 8.

Which command should be run to check PXE boot status?

A)

Option

7. An organization needs to isolate each business unit form the other such that each unit has its own user management, replication configuration and encryption policy.

What should the organization create on the ECS?

Multiple object users

Different buckets

Multiple replication groups

Different namespaces

8. An implementation engineer is installing ECS and sees that node names are not resolving to the public IP addresses.

Which command should they use to validate the ECS DNS configuration?

cat /etc/resolve.conf

get rackingfo -r

infconfig

nslookup

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

Access key ID

Secret key

Credential scope

Namespace name

10. Which type of data service is provided by ECS?

NFSv2

CIFS

Block

Object

Page 2 of 7

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

Read object

Update object

Write object

Create bucket

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

License Authorization Code (LIC)

ECS access to ELMs website

Software ID (SWID)

Number of ECS nodes

13. 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?

The namespace used for DD Cloud Tier is applied to a federated VDSC instead of a single VD

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

14. Which data encryption mode is supported by ECS?

RSA BSAFE FIPS 140-2

Standard CBC

GCM

SEC 17-A4

15. A company is integrating Dell EMC Isilon Isilon CloudPools with ECS and would like to enable CloudPools for disaster recovery failover.

Which deep copy option should be used?

Allow

Force

Stub sync

Deny

16. A retention policy and a retention period are defined for the same object.

What will control the deletion of that object?

The one with the greater time interval

The one that was created first

Only the retention period

Only the retention policy

17. What is the default path for the customization topology file?

/var/tmp/installer/

/opt/emc/Caspian/installer/conf/

/home/admin/

/opt/emc/Caspian/installer/

18. ECS has old data on the disks.

What command should be used to prepare the disks for a new install of the ECS software?

dcmulti cs_hal list disks

viprexex -i “clean_disks Call-dae-internal-nonsystem-disks”

b1kid

viprexec “parted rm *”

19. 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?

9020

9021

9023

9025

20. You are configuring a NetWork with CloudBoost 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. Cloud not apply initial configuration. Reason: Validation failed; cloud profile is invalid

What is causing this error?

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.

Page 3 of 7

21. The ECS network solution for an organization is designed to have 4x10bE uplinks connected to both Cisco switches. The organization will create the needed port channels.

What additional configuration on Cisco switches is recommended for high availability and redundancy?

Ring topology

Dedicated VLANs

Spanning tree protocol

Virtual port channel

22. When a disk state is suspect, what are the allowable options?

Read

Write

Read and write

No operations allows

23. DRAG DROP

What is the correct order steps in the ECS software installation process?

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

ViPR Commodity

ViPR HDFS

ViPR Unstructured

ViPR ECS

25. Which command is use to install the ECS software package?

A)

Option

26. The ECS is not PXE-booting nodes 2 through 8.

Which command should be run to check PXE boot status?

A)

Option

27. An organization needs to isolate each business unit form the other such that each unit has its own user management, replication configuration and encryption policy.

What should the organization create on the ECS?

Multiple object users

Different buckets

Multiple replication groups

Different namespaces

28. An implementation engineer is installing ECS and sees that node names are not resolving to the public IP addresses.

Which command should they use to validate the ECS DNS configuration?

cat /etc/resolve.conf

get rackingfo -r

infconfig

nslookup

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

Access key ID

Secret key

Credential scope

Namespace name

30. Which type of data service is provided by ECS?

NFSv2

CIFS

Block

Object

Page 4 of 7

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

Read object

Update object

Write object

Create bucket

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

License Authorization Code (LIC)

ECS access to ELMs website

Software ID (SWID)

Number of ECS nodes

33. 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?

The namespace used for DD Cloud Tier is applied to a federated VDSC instead of a single VD

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

34. Which data encryption mode is supported by ECS?

RSA BSAFE FIPS 140-2

Standard CBC

GCM

SEC 17-A4

35. A company is integrating Dell EMC Isilon Isilon CloudPools with ECS and would like to enable CloudPools for disaster recovery failover.

Which deep copy option should be used?

Allow

Force

Stub sync

Deny

36. The ECS network solution for an organization is designed to have 4x10bE uplinks connected to both Cisco switches. The organization will create the needed port channels.

What additional configuration on Cisco switches is recommended for high availability and redundancy?

Ring topology

Dedicated VLANs

Spanning tree protocol

Virtual port channel

37. When a disk state is suspect, what are the allowable options?

Read

Write

Read and write

No operations allows

38. DRAG DROP

What is the correct order steps in the ECS software installation process?

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

ViPR Commodity

ViPR HDFS

ViPR Unstructured

ViPR ECS

40. Which command is use to install the ECS software package?

A)

Option

Page 5 of 7

41. The ECS is not PXE-booting nodes 2 through 8.

Which command should be run to check PXE boot status?

A)

Option

42. An organization needs to isolate each business unit form the other such that each unit has its own user management, replication configuration and encryption policy.

What should the organization create on the ECS?

Multiple object users

Different buckets

Multiple replication groups

Different namespaces

43. An implementation engineer is installing ECS and sees that node names are not resolving to the public IP addresses.

Which command should they use to validate the ECS DNS configuration?

cat /etc/resolve.conf

get rackingfo -r

infconfig

nslookup

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

Access key ID

Secret key

Credential scope

Namespace name

45. Which type of data service is provided by ECS?

NFSv2

CIFS

Block

Object

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

Read object

Update object

Write object

Create bucket

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

License Authorization Code (LIC)

ECS access to ELMs website

Software ID (SWID)

Number of ECS nodes

48. 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?

The namespace used for DD Cloud Tier is applied to a federated VDSC instead of a single VD

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

49. Which data encryption mode is supported by ECS?

RSA BSAFE FIPS 140-2

Standard CBC

GCM

SEC 17-A4

50. A company is integrating Dell EMC Isilon Isilon CloudPools with ECS and would like to enable CloudPools for disaster recovery failover.

Which deep copy option should be used?

Allow

Force

Stub sync

Deny

Page 6 of 7

51. A retention policy and a retention period are defined for the same object.

What will control the deletion of that object?

The one with the greater time interval

The one that was created first

Only the retention period

Only the retention policy

52. What is the default path for the customization topology file?

/var/tmp/installer/

/opt/emc/Caspian/installer/conf/

/home/admin/

/opt/emc/Caspian/installer/

53. ECS has old data on the disks.

What command should be used to prepare the disks for a new install of the ECS software?

dcmulti cs_hal list disks

viprexex -i “clean_disks Call-dae-internal-nonsystem-disks”

b1kid

viprexec “parted rm *”

54. 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?

9020

9021

9023

9025

55. You are configuring a NetWork with CloudBoost 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. Cloud not apply initial configuration. Reason: Validation failed; cloud profile is invalid

What is causing this error?

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.

56. Which log file should you check if you suspect that an unauthorized user has been logging in to an ECS system?

authsvc.log

resourcesvc.log

eventsvc.log

provisionsvc.log

57. Which SNMP version(s) are supported by ECS?

SNMP v3 only

SNMP v2 only

ECS does not support SNMP

SNMP v2 and SNMP v3

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

Generate a S3 secret key to add to the CloudPools configuration

Install the CloudPools license in ECS

Create a dedicated storage pool for CloudPools storage

Create an object user account for CloudPools access

59. What services are reachable from nodes and must be included in every LCS data center?

NTP and SNMP

DHCP and PXE

DNS and NTP

SMTP and FTP

60. An organization wants to implement a federated ECS between two sites and use Dell EMC Isilon CloudPools functionality to archive data to ECS for long term retention. They are planning to implement ECS with network separation.

What could be deployed optionally in this implementation?

DNS entries

Static routes configuration

Static IP addresses for each of the ECS nodes

Load balancer configuration

Page 7 of 7

61. Which ECs S3 API method is used to create a new object?

Head

Get

Update

Put

62. When updating the ECS topology file for installation, which IP set should be used for installation of HAL and fabric?

Management

Public

Data

Private

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

Daisy chain

Common bus

Star

Ring

64. A company wants its x64 Linux backup data sent directly to ECS.

Which supported and most efficient configuration would you recommend for this environment?

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

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

Use a Networker storage node to receive x64 Linux NetWorder client data and send it to ECS

Use Client Directory on the x64x Linux Networker client to send data to a CloudBoost appliance and then transfer it to EC

65. What is the raw capacity of an ECS U400?

320 TB

640 TB

1920 TB

3840 TB

66. Which tool is used for Application Cliplist generation?

JCASScript

JCenteraVerify

CUA

CenteraExerciser

67. Which ECS Advanced Retention Management (ARM) feature enables applications to specify a retention period that will trigger when the CAS application receives a specified condition?

Litigation Hold

Extended Retention Period

Event Based Retention

Min/Max Governor

68. During pre-ECS software installation, which system check should be manually performed?

Platform data

Rack networking

Network separation

Disk configuration