Free E20-329 Exam Dumps Preview

You are discussing various EMC assessments to a customer. They want to know the basic difference between Data Deduplication Assessments (DDAA) and Data Deduplication Assessments (DDAB) assessments.

How would you respond to the customer's inquiry?

A customer wants to perform a data center refresh. They want to standardize their backup infrastructure by using EMC NetWorker and Data Domain in an integrated environment.

The environment consists of: A primary data center with NetWorker and Data Domain
220 remote sites; each remote site consists of 30 clients and one storage node with three devices per
storage node. Each remote storage node device will have a target session of 12 and a max target session of 60.

By default, what is the maximum nsrmmd count per device?

A Symantec Backup Exec customer purchased an EMC Disk Library (EDL) last year and performs 1.5 TB of nightly backups. Backup Exec is used to copy EDL virtual tapes to physical tapes to satisfy offsite requirements. The daily backup and tape copying workload is becoming a challenge for their Backup Exec server.

The customer is exploring EDL-to-EDL replication to a second a second site seven miles always to eliminate physical tape and reduce the Backup Exec server workload.

Which EDL relocation option meets the customer's requirements?

An existing Avamar customer wants to add a new large client to their Avamar system. This is a moderately full Avamar single-node server running in steady-state.

What is the estimated time to ingest the customer's large file system if the size, after deduplication, is 10 GB?

Refer to the Exhibit.

A customer is planning to have a disaster recovery solution for their backup environment. As part of Phase 1, they want a replica for their EMC Data Domain system. Due to some budget restrictions, they need to have a low investment solution.

What is the recommended minimum configuration needed for the replica?

A company has a business model where they purchase small companies and let them run independently.
Storage, backup and recovery, and server technology implementations vary between the companies.

The company has determined that they must initiate a backup and recovery strategy that will allow for recovery of any of the small companies in case of a complete site failure. In addition, they want to start to use a single standard model in an effort to move forward towards standardization across the entire enterprise.

A backup and recovery audit has found that the companies all use a basic method of backup and recovery consisting of enterprise backup software backing up to a tape library for all critical corporate data. The company wants to replicate backup sets from each site to their corporate location.

Which EMC solution should be used to minimize impact on the environment while minimizing cost?

A customer wants an EMC Avamar solution that provides 8 TB of deduplicated data protection. In addition, they need to protect a VNX system and export data to tape. They anticipate data growth of another 6 TB in the next year.

Which Avamar components should be used to architect the solution, in as few nodes as possible, while meeting sizing best practices?

Scnario

A customer is currently using third-party backup software for Oracle backups and writing backups to third-party physical tape libraries and a VTL. Backups sent to the VTL are then vaulted to tape and transported daily from the primary data center to the third-party facility.

They are experiencing high backup job failures with backup success rates of approximately 65%. In addition, their time to disaster recovery readiness for backups is greater than 24 hours. The retention period for database backups from disk-based backup is 4 weeks.

The customer is looking for a solution that will meet the following requirements: Oracle DBA to manage backups through Oracle RMAN Backup their file system data using EMC backup software Perform monthly full backups directly to physical tapes for offsite storage Reduce the backup window to the possible maximum Increase the time to disaster recovery readiness.
Increase the retention period for database backups from disk-based backup to 6 weeks No additional WAN
bandwidth requirements Low TCO solution
Free up the Fiber Channel switch infrastructure Increase operational efficiency

Refer to Scenario .

Which EMC solution will meet the customer's requirements?

A customer has a large central office and 50 remote offices connected over minimal WAN connections.
Most of the remote offices have large file servers of 2 million files each and several have large databases of 2 TB or more each.

They have asked for a single deduplication solution with the following requirements: Minimum amount of components Least impact on clients and servers Supports all data replicated back to the central office Provides a backup window of 8 hours or less

Which recommended solution meets the customer's requirements?

You are performing a Data Deduplication Assessment for a customer.

Which tool is used to test and tune network connections?

A potential Avamar customer has 4 TB of data to back up, which is spread across many clients. All clients are in the same data center as the Avamar server with Gigabit Ethernet connecting all hosts.

The customer has a requirement to perform their initial backups within 80 hours.

What is the minimum number of 2 TB data nodes needed to satisfy this requirement?

A large EMC NetWorker customer is gathering installation requirements for a new NetWorker installation.
Based on best practices, where should the NetWorker indexes be located to provide the most flexibility?

A customer with 20,000 desktop/laptop (DT/LT) clients needs your guidance. They would like to determine what data to back up to their EMC Avamar DT/LT solution and what to exclude. They have the ability to recover any DT/LT OS with their in-house tools.

Based on best practices, what should be recommended?

A potential EMC customer has a T1 circuit between their production data center and their disaster recovery data center that are 2,000 miles apart. They currently back up their Linux systems to physical tape using HP Data Protector. They back up an average of 20 TB each night.

The customer wants a backup solution that improves backup and restore reliability, reduces overall costs, and eliminates physical tape.

What is a recommended solution?

The EMC account team has been asked to redesign an EMC NetWorker backup solution. The existing backup environment consists of one NetWorker server and one storage node to back up approximately 80 clients. Over time, the amount of data increased, resulting in daily backups taking more than 24 hours to complete.

What should be recommended to improve the backup performance with minimal costs?

An EMC NetWorker customer is planning on directing the backups of a database server to the single-engine EMC Disk Library (EDL) as shown in the exhibit. The data to be backed up is accessed by the host through a redundant connection and resides on primary storage.

Based on EMC best practice, what needs to be adjusted in the solution?

A customer wants to back up VMware using EMC Avamar to leverage deduplication. They want to use the VMware Image Backup option.

Which component of the backup environment requires the Avamar client agent?

An existing EMC customer notices that garbage collection is not running in Avamar because the capacity limit has reached.
At which capacity limit does garbage collection stop running?

A customer has an Avamar system that has reached 100% of maximum capacity. The environment consists of a 16 active data node system.

What can be done to decrease the utilized capacity?

A new Avamar customer is concerned with data security since all backup data is stored on disk. To minimize the customer's concerns, you have recommended the encryption-at-rest feature.

What is a consideration when using this feature?

You are designing an EMC Data Protection Advisor (DPA) solution for a large NetWorker customer using both DPA clustering and replication.

What is a consideration when determining the server layout for application and datastore servers in this virtual environment?

An EMC Avamar customer wants to start backing up their VMware environment. The customer's goal is to obtain the highest level of data deduplication support for file system and application backups. In addition, they do not want to have to train their administrators on a new backup method.

Which method of VMware backup will meet the customer's needs?

An EMC customer is evaluating a single-engine EMC Disk Library (EDL) system. They placed the EDL on their test infrastructure and performed 15 simultaneous backup jobs. The customer is concerned that the overall performance numbers are substantially lower than the published numbers.

Each job is sent to a separate virtual tape at an average rate of 18 MB/s. The EDL is connected to the SAN through two FC ports at 4 GB/s. There are a total of 15 LUNs for virtual tape storage. The infrastructure has been certified to sustain performance in excess of the EDL's capability.

What would you recommend to improve the overall performance?

A customer who is using a third-party product wants to move to an enterprise product with the following requirements:

Less than 100 clients but three clients have a dense file system with over 4 million files. Requirements dictate backups go to tape for storage at the disaster recovery site weekly.
Reduce the backup time of dense clients.

Which EMC products will address the requirements and proposed design?

Scenario

A customer is looking to perform a data center refresh. They want to standardize their backup infrastructure by using EMC NetWorker, Avamar, and Data Domain in an integrated environment. The environment consists of:

A primary data center - NetWorker server, Data Domain, and Avamar A disaster recovery (DR) data center
- Data Domain only 220 remote sites Each remote site consists of approximately 30 clients and 1 storage
node LAN speed at and between all sites is 1 Gb

The company's Chief Technology Officer (CTO) has indicated that data must be backed up locally. Then, the data must be copied offsite to the primary data center and DR data center. The entire solution must be managed from a single unified interface in order to configure and track backup jobs.

The company is subject to government regulations concerning data retention policies for confidential data.
Data has to be retained for seven years on tape at the DR data center.

In order to copy SSIDs saved to the Avamar server to the Data Domain located in the disaster recovery data center, which method should be used?

A customer has a requirement to size active tier storage beyond the entry capacity of their Data Domain controller.

Which license will meet the customer's requirements?

An EMC NetWorker customer has recently added an Avamar system for file system backups. They want to move all backups to the Avamar system to take advantage of deduplication. They are currently backing up
Sybase and SAP with NetWorker.

Which recommendation will meet these requirements?

A customer with 20,000 desktop/laptop (DT/LT) clients has expanded their custom set of includes/excludes for their Avamar DT/LT solution to cover all non-business files in their environment. Upon implementation of these datasets, they find that backups are not completing in the expected time frame. They need advice on managing their backups to fit the backup window.

Based on best practices, what should be recommended?

You are designing an EMC NetWorker deduplication solution for a customer. When performing a restore of a backup containing multiple save sets from a deduplication node.

What is the maximum number of save sets that can be recovered concurrently?

A customer has an operational EMC NetWorker environment using an Avamar deduplication node. They want to protect the Avamar deduplication node using replication. The customer has approached EMC for advice on what considerations they should take into account.

What is a consideration in this environment?

An EMC Avamar customer wants to start backing up their VMware environment. The customer's goal is to have image-level backup while having a low impact on the ESX server. In addition, they want the ability to perform file-level restores of their Microsoft Windows clients.

Which backup method will meet the customer's needs?

You are designing an EMC NetWorker deduplication solution using EMC Avamar for a customer.

When performing a backup containing multiple save sets to a deduplication node, what is the recommended maximum number of save sets that can be backed up concurrently?

An EMC Avamar customer is running a backup that is being directed to a Data Domain system. Although the backup completed successfully, the customer decides to delete the backup.

When does data, from expired backups, move from /cur to /DELETED?

A customer recently implemented an EMC Data Domain system as the backup target for NetWorker using DD Boost. When reviewing the Data Domain Storage Unit Details report, you notice that the data drive for a particular client was not deduplicating well but the OS drive was.

What is the most likely cause of the deduplication issue?

A customer has a new EMC Avamar server with four 3.9 TB data nodes. This server is backing up two Avamar clients. The first client has 8 GB of RAM and two file systems. The first file system has 3 million files consuming .75 TB. The second file system contains 5 million files consuming 1 TB of space. The second client has 10 GB of RAM and one file system containing 4 million files is consuming 1.2 TB of space. Both clients will belong to the same backup group.

How long will the steady state backup group be expected to run?

You have been asked to design a new backup solution for a customer to satisfy operational backup
requirements. After an initial analysis you decide to implement a two-tier solution. The first tier is disk; the
second tier is tape. A retention period needs to be defined for the first tier that will determine when backup data will be moved to the second tier.

What is an important piece of information you need to consider when determining this retention period?

An EMC Avamar customer has a heavily utilized ESX system CPU utilization is a concern. Each guest system, all of which are Linux must be backed up with file granularity. The customer has both Avamar and NetWorker available and is looking to EMC for guidance.

What is considered the most suitable approach to meet these requirements?

You are designing a Data Protection Advisor (DPA) solution to support a NAS environment. The environment consists of a Celerra, a NetApp file server, a backup infrastructure of 185 NetWorker clients, and 300 Symantec NetBackup clients.

What are the appropriate DPA licensing requirements?

You are sizing an EMC Data Domain system for a new customer. The customer has provided their capacity and performance requirements for the system.

When selecting a Data Domain model to meet their requirements, according to best practices, which buffer size should be used?

The EMC account team has been asked to design an EMC NetWorker backup solution for a VMware ESX environment with the following requirements:

1. Online backup of the Microsoft Exchange server running on a virtual machine
2. File-level backup and recovery for all virtual machines running Microsoft Windows.

Which backup solution addresses both requirements?

A customer has difficulty keeping up with their restore requests on their existing backup solution. Currently each restore requires the backup team to engage and manually process each restore request. The customer wants the clients to be able to restore and browse their own data using only their account credentials.

Which EMC solution meets the customer's requirements?

The EMC account team has been asked to design a new EMC NetWorker backup solution for Microsoft Exchange Server 2007. The customer's environment consists of Microsoft Exchange Server 2007 hosted on an EMC CLARiiON disk array with EMC VSS Provider and an EMC Disk Library.

Your design needs to include a server-less backup solution for the Microsoft Exchange Server 2007 environment by leveraging the Microsoft VSS framework.

What is a recommended approach to meet the customer's requirements?

Which environment will yield the optimal data deduplication for backup purposes?

A customer has 20,000 desktop/laptop (DT/LT) clients and six new Avamar 1x16 servers. They are having difficulty with initial backups and backups not completing during the backup window.
Based on best practices, which recommendation can be provided to address these issues?

A customer plans to integrate an EMC Disk Library (EDL) with NetWorker. The customer has purchased an Embedded Storage Node License to clone virtual taped from the EDL to a physical tape library.

What should be included in the design document design to ensure the Embedded Storage Node reads the data from virtual tape during a clone operation?

You are designing a Data Protection Advisor (DPA) solution for a customer. As a part of the engagement, you are required to configure the DPA stores.

What is the minimum size you would recommend for configuring the stores?

Scenario

A customer is currently using third-party backup software for Oracle backups and writing backups to third-party physical tape libraries and a VTL. Backups sent to the VTL are then vaulted to tape and transported daily from the primary data center to the third-party facility.

They are experiencing high backup job failures with backup success rates of approximately 65%. In addition, their time to disaster recovery readiness for backups is greater than 24 hours. The retention period for database backups from disk-based backup is 4 weeks.

The customer is looking for a solution that will meet the following requirements:

Oracle DBA to manage backups through Oracle RMAN Backup their file system data using EMC backup software Perform monthly full backups directly to physical tapes for offsite storage Reduce the backup window to the possible maximum Increase the time to disaster recovery readiness.
Increase the retention period for database backups from disk-based backup to 6 weeks No additional WAN
bandwidth requirements Low TCO solution
Free up the Fiber Channel switch infrastructure Increase operational efficiency

Refer to Scenario .

The customer is considering using an EMC Data Domain system. They would like to know which Data Domain protocol will meet their requirements.

What should be recommended?

A new EMC Avamar customer is concerned with data security since all backup data is stored on disk. To minimize the customer's concerns, you have recommended the encryption-at-rest feature.

What is a consideration when using this feature?

The EMC account team has been asked to design a Network backup solution for a VMware ESX3.5 environment with the following requirements:

1. Reduce workload on the ESX server during backups
2. Eliminate backup traffic from the LAN by moving data directly from the SAN
3. Support file-level backups for virtual machines running Microsoft Windows

What is a recommended backup solution?