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Category: E20-891 (v.1)

Exam E20-891: Backup Recovery Solutions Expert Exam for Technology Architects (update February 18th, 2017)

which level of granularity can data be recovered from t…

Scenario 1 You have a customer with a large IBM Lotus Domino environment. The
customer is in the process of migrating from a UNIX to a Microsoft Windows infrastructure.
As part of this process, they are going to perform a refresh of the hardware and software
that Domino is running on. In addition, they will migrate all client backups to a new EMC
NetWorker environment. The new backup environment consists of a NetWorker server and

two storage nodes running on Windows 2008. The Domino environment consists of a single
server running two instances of Domino. The total amount of data that needs to be backed
up is approximately 900 GB. The Domino server will have connections to both the SAN and
the LAN. They would like to perform hot backups of the databases using the NMDA but are
leaving specific design decisions to you. Additionally, the customer would like to send all
data to disk for onsite backups and clone the first full backup of the year to tape for
long-term offsite retention. The backup target infrastructure consists of a single Quantum
i2000 tape library with six LTO-4 tape drives in addition to two EMC Data Domain 890s.
One Data Domain will be located at their primary site. The second Data Domain is at the
disaster recovery (DR) site as a replication target for the first. One of the customer’s major
concerns is the backup speed of the Domino environment. They are interested in any best
practices they can implement to improve backup performance at the Domino level.
Furthermore, they are looking for guidance in using NMDA to backup the data and leverage
their backup infrastructure in the most efficient way. Refer to Scenario 1. Following a full
backup of both Domino instances on the server, at which level of granularity can data be
recovered from this backup?

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Which additional piece of information must be specified…

Scenario 1 You have a customer with a large IBM Lotus Domino environment. The
customer is in the process of migrating from a UNIX to a Microsoft Windows infrastructure.
As part of this process, they are going to perform a refresh of the hardware and software
that Domino is running on. In addition, they will migrate all client backups to a new EMC
NetWorker environment. The new backup environment consists of a NetWorker server and
two storage nodes running on Windows 2008. The Domino environment consists of a single

server running two instances of Domino. The total amount of data that needs to be backed
up is approximately 900 GB. The Domino server will have connections to both the SAN and
the LAN. They would like to perform hot backups of the databases using the NMDA but are
leaving specific design decisions to you. Additionally, the customer would like to send all
data to disk for onsite backups and clone the first full backup of the year to tape for
long-term offsite retention. The backup target infrastructure consists of a single Quantum
i2000 tape library with six LTO-4 tape drives in addition to two EMC Data Domain 890s.
One Data Domain will be located at their primary site. The second Data Domain is at the
disaster recovery (DR) site as a replication target for the first. One of the customer’s major
concerns is the backup speed of the Domino environment. They are interested in any best
practices they can implement to improve backup performance at the Domino level.
Furthermore, they are looking for guidance in using NMDA to backup the data and leverage
their backup infrastructure in the most efficient way. Refer to Scenario 1. Which additional
piece of information must be specified on the command line when using nsrdasv to
manually perform backups of the Domino instances?

which data will be included in a full backup?

Scenario 1 You have a customer with a large IBM Lotus Domino environment. The
customer is in the process of migrating from a UNIX to a Microsoft Windows infrastructure.
As part of this process, they are going to perform a refresh of the hardware and software
that Domino is running on. In addition, they will migrate all client backups to a new EMC
NetWorker environment. The new backup environment consists of a NetWorker server and
two storage nodes running on Windows 2008. The Domino environment consists of a single
server running two instances of Domino. The total amount of data that needs to be backed

up is approximately 900 GB. The Domino server will have connections to both the SAN and
the LAN. They would like to perform hot backups of the databases using the NMDA but are
leaving specific design decisions to you. Additionally, the customer would like to send all
data to disk for onsite backups and clone the first full backup of the year to tape for
long-term offsite retention. The backup target infrastructure consists of a single Quantum
i2000 tape library with six LTO-4 tape drives in addition to two EMC Data Domain 890s.
One Data Domain will be located at their primary site. The second Data Domain is at the
disaster recovery (DR) site as a replication target for the first. One of the customer’s major
concerns is the backup speed of the Domino environment. They are interested in any best
practices they can implement to improve backup performance at the Domino level.
Furthermore, they are looking for guidance in using NMDA to backup the data and leverage
their backup infrastructure in the most efficient way. Refer to Scenario 1. The customer has
configured the Domino servers and would like to perform a full backup. By default, which
data will be included in a full backup?

What happens when a new backup job is started?

Scenario 6 A customer recently implemented an EMC Avamar solution in their primary data
center. The environment consists of several Microsoft applications, including Microsoft
SharePoint, Exchange, and SQL. An EMC Data Domain system was also deployed behind
Avamar as the backup destination for these applications. There are also several file system
clients that have been configured to back up directly to the Avamar server. One Avamar
server and two Data Domain systems have been deployed to support this configuration. The
Avamar server is operating close to full capacity and there is no room for expansion since it
is already fully provisioned with the maximum number of nodes. The Data Domain systems
have plenty of capacity left; each system is currently at 35% of utilization. Refer to Scenario
6. After configuring replication for this environment, the source Data Domain system
crashed. What happens when a new backup job is started?

Which tasks need to be performed for a successful Data …

Refer to the Exhibit. A customer has asked you to deploy a Microsoft Exchange backup
solution. The customer’s environment consists of the following: • Microsoft Exchange Server
2010 • EMC NetWorker Module for Microsoft Applications • EMC NetWorker server software
• EMC Data Domain Which tasks need to be performed for a successful Data Domain Boost
backup?

How can this be accomplished?

Scenario 6 A customer recently implemented an EMC Avamar solution in their primary data
center. The environment consists of several Microsoft applications, including Microsoft
SharePoint, Exchange, and SQL. An EMC Data Domain system was also deployed behind
Avamar as the backup destination for these applications. There are also several file system
clients that have been configured to back up directly to the Avamar server. One Avamar
server and two Data Domain systems have been deployed to support this configuration. The
Avamar server is operating close to full capacity and there is no room for expansion since it
is already fully provisioned with the maximum number of nodes. The Data Domain systems
have plenty of capacity left; each system is currently at 35% of utilization. Refer to Scenario
6. The customer needs to protect a number of new file system clients. How can this be
accomplished?

How can this be fixed?

Scenario 6 A customer recently implemented an EMC Avamar solution in their primary data
center. The environment consists of several Microsoft applications, including Microsoft
SharePoint, Exchange, and SQL. An EMC Data Domain system was also deployed behind
Avamar as the backup destination for these applications. There are also several file system
clients that have been configured to back up directly to the Avamar server. One Avamar
server and two Data Domain systems have been deployed to support this configuration. The
Avamar server is operating close to full capacity and there is no room for expansion since it
is already fully provisioned with the maximum number of nodes. The Data Domain systems
have plenty of capacity left; each system is currently at 35% of utilization. Refer to Scenario
6. The customer realized that one of the SharePoint clients was incorrectly configured to be
backed up to the Avamar server instead of the Data Domain system. How can this be fixed?

What is a requirement to ensure consistent recoverabili…

Scenario 1 You have a customer with a large IBM Lotus Domino environment. The
customer is in the process of migrating from a UNIX to a Microsoft Windows infrastructure.
As part of this process, they are going to perform a refresh of the hardware and software
that Domino is running on. In addition, they will migrate all client backups to a new EMC
NetWorker environment. The new backup environment consists of a NetWorker server and
two storage nodes running on Windows 2008. The Domino environment consists of a single
server running two instances of Domino. The total amount of data that needs to be backed
up is approximately 900 GB. The Domino server will have connections to both the SAN and
the LAN. They would like to perform hot backups of the databases using the NMDA but are
leaving specific design decisions to you. Additionally, the customer would like to send all
data to disk for onsite backups and clone the first full backup of the year to tape for
long-term offsite retention. The backup target infrastructure consists of a single Quantum
i2000 tape library with six LTO-4 tape drives in addition to two EMC Data Domain 890s.
One Data Domain will be located at their primary site. The second Data Domain is at the
disaster recovery (DR) site as a replication target for the first. One of the customer’s major
concerns is the backup speed of the Domino environment. They are interested in any best
practices they can implement to improve backup performance at the Domino level.
Furthermore, they are looking for guidance in using NMDA to backup the data and leverage
their backup infrastructure in the most efficient way. Refer to Scenario 1. The customer has
decided to implement DAOS on both Domino instances. What is a requirement to ensure
consistent recoverability of all data?


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