E20-593 Online Training

1. Which EMC NetWorker software component is responsible for storing metadata in the form of hash IDs for a deduplication backup?

2. Click the Calculator icon in the upper left-hand corner. In an EMC NetWorker environment, the customer is backing up 7.5 TB per day. The 7.5 TB is comprised of 750 million files.

According to EMC best practices, approximately how large will the Client File Index (CFI) be?

3. Click the Calculator icon in the upper left-hand corner. In an EMC NetWorker environment, the customer is backing up 500 GB per day. The 500 GB is comprised of 35,000 very large files.

According to EMC best practices, approximately how large will the Client File Index (CFI) be?

4. When adding an EMC NetWorker server's name into the /nsr/res/servers file of a client, which service must be restarted on the client for the change to take effect?

5. A customer has just upgraded their EMC NetWorker server. The upgrade included a new IP address and hostname.

After updating the configuration file on the client, which service should be restarted in order for the change to be recognized?

6. What is the recommended media type for the device that stores the metadata in the form of hash IDs for EMC NetWorker deduplication backups?

7. A customer using EMC NetWorker Power edition attempts to set server parallelism to 96. When saving the changes they notice that the server parallelism reverts back to 64.

What action needs to be taken to set server parallelism to 96?

8. Refer to the exhibit.





In an EMC NetWorker environment, the storage node sn1 is down for maintenance.

According to the client properties, what happens when the backup of the client starts?

9. You have an EMC NetWorker server with one storage node. There is an autoloader with four tape drives. Two drives each are dedicated to the server and storage node. A new Celerra has been added to the network with 500 GB of data.

What must be done to back up the data on the Celerra?

10. Refer to the exhibit.





An EMC NetWorker customer has two data zones, A and B, with autochanger AC1 and AC2, respectively, with four drives each. AC1 is configured as a dedicated autochanger and AC2 is configured as a shared autochanger. Two drives of AC2 are statically assigned.

How many drives of AC2 can be shared in Zone A?

11. Which directory holds the tracking information of each file backed up by the client "tuba" on EMC NetWorker server "soprano"?

12. What is a characteristic of how the EMC NetWorker modules integrate with native applications?

13. Which Microsoft VSS component gathers information to properly save applications, services, or files in a filesystem?

14. Which Microsoft VSS component is responsible for creation and maintenance of a shadow copy?

15. You have successfully configured three SQL servers for backup with the EMC NetWorker Module for SQL.

These servers are configured as follows:

- Save set: MSSQL:

- All three clients are in the same group

- Data for this group is sent to the SQL_Bkup pool

Scheduled backup of the group shows that all SQL data from the three servers was successfully backed up.

However, when you attempt to recover the SQL data using the standard NetWorker user GUI, you only see file system data to recover.

What must you do to recover the SQL data backed up with the NetWorker module?

16. A customer has an Oracle 11g database running on a RAC cluster with ASM. It occupies approximately 5 TB on a Symmetrix DMX. They have an RTO of four hours. They intend to implement PowerSnap with EMC NetWorker version 7.6 to back up the BCVs using RMAN scripts and a proxy host.

What prevents this implementation from being successful?

17. Thaw application

18. What is the backup command specified in the EMC NetWorker client resource for EMC Centera backups?

19. In an EMC NetWorker environment, a Lotus Notes backup just failed. To make sure the Lotus Notes NetWorker client is properly configured, what should be checked?

20. An EMC NetWorker customer wants to perform a complete backup of a SQL server with three databases.

Which save set name should be used?

21. What is a characteristic of EMC NetWorker SnapImage module backups?

22. You have been tasked to protect a newly configured Microsoft SQL server residing within a two-node cluster.

The following requirements must be met:

- Backups must be performed daily.

- All data must be transmitted over the LAN.

- Hot backup must be performed automatically regardless of which node the virtual server resides on at the time of backup.

What software is required to achieve this?

23. What is a characteristic of cloud volumes in EMC NetWorker?

24. What is a characteristic of VCB backups in EMC NetWorker?

25. A backup administrator is configuring an EMC NetWorker embedded storage node within an EMC Disk Library.

To ensure that the embedded storage node is used to read the data during clone operations, what is required?

26. A backup administrator is configuring an EMC NetWorker embedded storage node within an EMC Disk Library (EDL).

To ensure that the embedded storage node is used to write clone data, what is required?

27. What describes the use of Tape Stacking with the embedded storage node on an EMC Disk Library (EDL)?

28. An EMC NetWorker customer wants to clone save sets from an EMC Disk Library (EDL) to a physical tape library. The customer requires full catalog tracking with minimum SAN utilization.

Which solution best satisfies these requirements?

29. A customer has a single-engine EMC Disk Library (EDL) and wants to enable the EMC NetWorker embedded storage node.

How is this done?

30. After creating an EMC NetWorker advanced file type device, you notice that the corresponding read-only device is missing.

What is a possible cause?

31. Refer to the exhibit.





A storage administrator configures an EMC NetWorker staging policy to move save sets from backup Device A to backup Device B. A restore session is started and requires save sets that were staged to Device B.

What is the data flow in this recovery?

32. What is a characteristic of an EMC NetWorker advanced file type device?

33. What happens when an EMC NetWorker file type device becomes full while backups are running?

34. Your customer needs to back up a Windows file server containing millions of small files to their EMC Disk Library using EMC NetWorker. They have a very limited backup window for this client and need to limit the impact on the server.

What is the best way to fulfill the customer’s requirements?

35. An EMC NetWorker administrator configures an advanced file type device, setting the device target sessions to two, and max sessions to four.

How is data written to the advanced file type device?

36. Your task is to develop a backup-to-disk solution for your client. After an initial analysis, you decide to include one EMC Disk Library (EDL) to be used as the primary backup device. The customer has been using a physical library with LTO-3 drives for many years and would like to have the capability to recover from the old tape. The solution must result in the fewest possible changes to the EMC NetWorker server.

How can you best address these requirements?

37. Client A performs backups to Storage Node S where the backup operations are managed by EMC NetWorker Server N. NetWorker Management Console is running on Server Y. Client A's configuration information was lost.

To which component must the client configuration data be restored?

38. What command was used to see the following NDMP device?

[email protected]:ADIC Scalar i2000 100A|Autochanger (Jukebox), /dev/mc_d6l0

S/N: 02TOK00200

ATNN=ADIC Scalar i2000 02TOK00200

Virtual device

[email protected]:IBM ULTRIUM-TD4 7BG2|Tape, /dev/mt_d0l0

S/N: 1310056061

ATNN=IBM ULTRIUM-TD4 1310056061

WWNN=500104F000A11D3F

WWPN=500104F000A11D40

39. You are deleting save sets manually from the EMC NetWorker server using CLI commands. You receive an error that the database update has failed.

What process should you verify is running on the NetWorker server?

40. What is a characteristic of EMC NetWorker's Open Tape Format (OTF)?

41. What is the primary function of the EMC NetWorker job daemon?

42. A customer is running an EMC NetWorker 7.6 server on a UNIX platform and wants to monitor backup operations from the command line.

Which utility can be used?

43. EMC NetWorker is using a library controlled by an ACSLS server.

Which NetWorker command can be used to discover volumes on the NetWorker server?

44. In an EMC NetWorker storage node with four stand-alone LTO tape drives, which daemons must be running?

45. A customer has the following EMC NetWorker configuration:

- Two remote storage nodes, Node A and Node B

- Two virtual tape libraries configured on Node A and Node B, respectively

- Twelve virtual tape devices with four drives attached to the NetWorker server, Node A and Node B, respectively

How many nsrlcpd processes are running on the NetWorker server?

46. What EMC NetWorker command is used to display a list of labeled volumes in the NetWorker media database?

47. Refer to the exhibit.





A Windows administrator on HostA needs to administer the EMC NetWorker server, ServerX. The administrator will use a web browser to connect to the console server on ServerY and log in to the NetWorker Management Console using the default administrator credentials.

What needs to be included in the Administrator list of the NetWorker server?

48. When connecting to an EMC NetWorker console server running on Solaris, an error message indicates that a supported version of Java Runtime Environment (JRE) is not installed. You verify that the supported JRE version is already installed on the NetWorker console server.

However, the error message remains.

What needs to be done to resolve the problem?

49. You are using NetWorker Management Console (NMC) to manage an EMC NetWorker server. You want to add a second data zone to your environment and monitor this data zone using the existing NMC.

How can this be done?

50. Your customer is running an EMC NetWorker 7.6 server and wants to upgrade their clients running NetWorker 7.4.

What are two ways to do this remotely from the NetWorker server?

51. You are installing a new EMC NetWorker server and would like alerts to be sent automatically to EMC Support.

What additional component needs to be included as part of this installation?

52. Your Windows environment consists of several EMC NetWorker servers on the same subnet that are responsible for backing up only specific clients for security reasons. You need to change one backup client’s “parent” NetWorker server from NWServer-A to NWServer-B.

Which file do you need to change in order to ensure only NWServer-B can back up this client?

53. What is the command to start all of the EMC NetWorker processes on a UNIX server?

54. You have been tasked to move the EMC NetWorker Management Console (NMC) from the EMC NetWorker server to an alternate server.

To utilize the new server as an NMC, what is the complete list of software that needs to be installed?

55. CL-1 is a client in an EMC NetWorker environment. The NetWorker server, NS-1, manages the environment and storage node SN-1A controls the data flow. You noticed that there are no entries in the / nsr/res/servers file on CL-1.

Which system is allowed to back up data from Client CL-1?

56. In an EMC NetWorker environment, you have been asked to create a custom command using "save" for the testing of new clients from the command line.

Where must this custom command reside on the server?

57. Your Oracle DBA runs an RMAN script via cron to back up their data to an EMC NetWorker server. You run a report using the NetWorker Management Console (NMC) to view all backup activity. The Oracle backups are missing from the report.

How do you explain this?

58. In EMC NetWorker what will automatically mount and label a scratch volume when needed?

59. You are logged in to your Windows-based EMC NetWorker server and are attempting to manually run a server-initiated backup via the command line. You are receiving an error when attempting the savegrp command.

What is the most likely reason for the error?

60. Refer to the exhibit.





Based on the save set attribute defined in the EMC NetWorker client properties window, what is backed up?

61. You are backing up a group of clients that have varying schedules. Using the EMC NetWorker administrator interface, you need to perform a full backup of all clients in that group. Using the NetWorker administrator how would you ensure all clients back up full on the next save group execution?

62. A user on the EMC NetWorker client wants to initiate a backup of selected files.

At a minimum, which components must be configured before the backup can succeed?

63. An EMC NetWorker customer wants to exclude all .jpg files from backups for all Solaris hosts. Backups are initiated from both the client and server.

How should this be enforced?

64. What option for cloud backup devices allows to limit the bandwidth that EMC NetWorker consumes for cloud operations during specified periods of time?

65. Your management has scheduled a critical update to be applied to all of your Windows 2003 servers on a Wednesday evening. You have an EMC NetWorker backup group that performs full backups of these servers only on weekends, complemented by incrementals the rest of the week. To be safe you decide to perform a full backup of all Windows 2003 systems on a Tuesday evening.

What is the easiest way to achieve this?

66. In an EMC NetWorker environment, regardless of what ports the service port range is set to, which two ports will nsrexecd always try to listen on?

67. In an EMC NetWorker environment, you are required to keep media in drives for only 10 minutes after completion of backup.

What parameter must be set?

68. A customer’s EMC NetWorker environment has a Solaris client that had been backing up without failing for several weeks.

The client has the following local mount points:

- /

- /usr

- /home

- /var

And two nfs mount points:

- /mars/data1

- /jupiter/data1

The save set was identified as "ALL" in the client resource. The client had crashed and was successfully rebooted the previous day. The first request for a restore for this client was submitted for the last night's backup of /mars/data1/Monthly.doc and /jupiter/data1/Weekly.xls. The jupiter restore is successful but the mars data is not found and fails to be restored.

What is the most likely cause of this restore failure?

69. An EMC NetWorker customer uses a custom schedule for backups and has disabled autostart in all savegroups. Backup reports indicate that a bootstrap backup occurs after each savegroup is run.

What can you do to ensure that only one bootstrap backup occurs daily?

70. What is a characteristic of EMC NetWorker volume cloning?

71. In an EMC NetWorker backup environment, what happens when you try to clone a volume to which backups are currently being written?

72. On a given EMC NetWorker host, what does the servers file define?

73. If an incremental backup is performed for an EMC NetWorker client, at what level is its Client File Index (CFI) backed up?

74. If a Level 5 backup is performed for an EMC NetWorker client, at what level is its Client File Index (CFI) backed up?

75. Using the EMC NetWorker directive listed below, what happens to all files under /export/home?

<< / >>

+compressasm: .

<< /export/home >>

forget

ignore

76. An EMC NetWorker storage node has two advanced file type devices that stage the data to two physical LTO-4 drives. Due to a hardware issue, the administrator has disabled one of the LTO-4 drives.

How many nsrmmd processes are now running on the EMC NetWorker storage node?

77. An EMC NetWorker storage node has two advanced file type devices that stage the data to two physical LTO-4 drives. Due to a hardware issue, the administrator has put one of the LTO-4 drives in Service mode.

How many nsrmmd processes are now running on the EMC NetWorker storage node?

78. An EMC NetWorker customer has two LTO-3 tape drives configured on a NetWorker server. One of the two tape drives is dynamically shared with a NetWorker storage node. The other tape drive is statically assigned to the NetWorker server. The shared drive stops functioning on the NetWorker server but continues to function on the storage node.

How many nsrmmd processes need to be running on the storage node?

79. An EMC NetWorker customer has an autochanger with four LTO-3 tape drives. All four drives are configured to a NetWorker server. Two drives are dynamically shared with a NetWorker storage node. One of the shared drives suffers a mechanical failure and is disabled.

How many nsrmmd processes need to be running on the NetWorker server?

80. In an EMC NetWorker environment, Auto Media Management is currently enabled on the autochanger. The customer requires unlabeled volumes in the autochanger to be used before recyclable volumes are reused.

In addition, the unlabeled volumes need to be automatically labeled before they are used.

How can this be achieved?

81. An EMC NetWorker backup client contains 650 GB of data in 750,000 files and is presently being backed up by an EMC NetWorker server to a tape library with six tape drives connected to a Fibre Channel switch. Due to the total size of its data and the number of files, the backup cannot complete during the required backup window.

According to EMC best practice, how can this issue be resolved?

82. What combination of simultaneous backups and recoveries is supported when using an advanced file type device in EMC NetWorker?

83. A customer is adding new tape devices to an EMC NetWorker server. The command is issued to scan for devices but does not find the new devices.

What is the most likely cause?

84. In an EMC NetWorker environment, a clone volume (physical tape) required for a recovery is not currently mounted.

Which attribute is consulted first to determine the storage node used for the recovery?

85. During the configuration of a tape library attached to a remote EMC NetWorker storage node, an "Access denied" error message is reported.

What is the root cause of the issue?

86. You have a requirement to set up a NAS appliance into the EMC NetWorker environment. You have the remote username and passwords as well as the Fully Qualified Name (FQN) for the device and you wish to ensure that the NetWorker server can see the NDMP devices before the setup.

Which command should be used to do this?

87. Refer to the exhibit.





To which EMC NetWorker pool is the client save set backed up?

88. A client save set is backed up to an EMC NetWorker backup pool and later cloned to a volume in a clone pool.

On the volume, what property determines when the volume in the clone pool is a candidate for recycling?

89. A customer is adding a new jukebox to an EMC NetWorker environment. The jukebox is connected and powered on. The customer powers on the NetWorker server and verifies the new library is visible to the OS. The customer brings up the Device Administration window and verifies the existing jukebox is functioning properly.

However when the customer attempts to configure the new library using the Device Administration window function "Configure All Libraries", it fails to configure and instructs the customer that they must use jbconfig to manually configure this library.

What is the most likely reason that the customer is forced to use jbconfig rather than the Device Administration window?

90. Which EMC NetWorker command can be used to determine the number of records in the Client File Index for each client?

91. An EMC NetWorker administrator wants to find all the files within a save set that are still browsable by the client.

Which command will allow the administrator to perform this task?

92. Which EMC NetWorker command lists save sets stored on each volume?

93. Which EMC NetWorker command can be run to list all files currently tracked in the Client File Index for a particular client?

94. Which command is run on the EMC NetWorker server to recover the server's Client File Index from available backup media?

95. A customer’s EMC NetWorker data zone has one NetWorker server and four NetWorker clients with two client resources configured for each client.

How many Client File Indexes are stored on the NetWorker server?

96. Which command can be used to recover an EMC NetWorker Management Console database?

97. An EMC NetWorker customer wants to relocate the Client File Index (CFI) for a client.

Which NetWorker resource must be updated with the new CFI location?

98. The mode of an EMC NetWorker volume was prematurely set to "full".

Which command can be used to change the status of the volume to "appendable"?

99. What is the purpose of EMC NetWorker’s retention policy?

100. What needs to be configured to prevent possible name spoofing in an EMC NetWorker environment?