EMC E20-329 Online Practice Questions and Exam Preparation

EMC E20-329 Online Questions & Answers

• Question 181:

  A customer has been using Avamar to leverage deduplication for VMware. They have been performing guest-level backups and now want to perform. vmdlk backups for disaster recovery. What is a requirement to perform VCB backups?

  A. Proxy host with Microsoft Windows 2003 SP1 or 64-bit Red Hat Linux
  B. Guests with VCB and Virtual Center server software installed
  C. ESX server with Fibre Channel SAN storage hosting VMFS or RDMS
  D. Guests with the Avamar client and the Avamar VCB Interoperability Module
  C. ESX server with Fibre Channel SAN storage hosting VMFS or RDMS

• Question 182:

  Refer to Scenario

  When using EMC NetWorker and DD Boost, what are the recommended maximum concurrent backups for the VADP proxy server?

  A. 40
  B. 50
  C. 100
  D. 160
  C. 100

• Question 183:

  Scenario

  A customer is looking to modernize their backup infrastructure. The current environment consists of a single centralized data center and several remote sites. The centralized data center hosts all core services and applications. The remote

  office primarily consists of sales personnel with 4000 users in North America, 500 in Europe, and 300 in Asia using file servers.

  The current backup environment at the primary site uses CommVault backing up to a Fibre Channel tape library that contains four LTO-4 tape drives. Currently they are backing up a number of file servers as well as several databases that

  have average change rates of 7% daily. Remote office backups are currently performed by having users copy files to regional file servers that are then backed up to tape.

  In the past few months, the customer has experienced problems with getting backups to finish within their defined windows as well as issues with the tape library hardware. They now have concerns about gaps in their backup coverage as

  well as the reliability of the tape media. In addition, an internal audit shows a large amount of user-generated data is unprotected on remote user laptops.

  The customer is looking for a common platform to standardize their backups. They want a solution which allows for a centralized infrastructure so that they do not need to rely on remote resources to address hardware and software issues.

  The other goal is to move away from tape to a more reliable disk-based solution.

  Refer to Scenario .

  The customer has concerns about Avamar's ability to handle the backups of their databases.

  Which recommendation should be made?

  A. Integrate a Data Domain appliance with Avamar
  B. Add additional storage nodes to the Avamar system
  C. Implement image backups using change block tracking
  D. Increase file cache sizes on database clients
  A. Integrate a Data Domain appliance with Avamar

• Question 184:

  Refer to Scenario .

  A customer is looking to modernize their backup infrastructure. The current environment consists of a single centralized data center and several remote sites. The centralized data center hosts all core services and applications. The remote

  office primarily consists of sales personnel with 4000 use-North America, 500 in Europe, and 300 in Asia using file servers.

  The current backup environment at the primary site uses CommVault backing up to a Fibre Channel tape library that contains four ITO-4 tape drives. Currently they are backing up a number of file servers as well as several databases that

  have average change rates of 7% daily Remote office backups are currently performed by having users copy files to regional file servers that are then backed up to tape.

  In the past few months, the customer has experienced problems with getting backups to finish within their defined windows as well as issues with the tape library hardware. They now have concerns about gaps in their backup coverage as

  well as the reliability of the tape media. In addition, an internal audit shows a large amount of user-generated data is unprotected on remote user laptops.

  The customer is looking for a common platform to standardize their backups. They want a solution which allows for a centralized infrastructure so -they do not need to rely on remote resources to address hardware and software issues. The

  other goal is to move away from tape to a more reliable disk-based solution.

  The customer is impressed by the performance of Avamar file system backups. However, they have concerns about its ability to handle the backups of their databases. Which solution should be recommended?

  A. Continue to backup the databases to tape
  B. Configure a standalone Data Domain appliance
  C. Integrate a Data Domain appliance with Avamar
  D. Add more storage nodes to the Avamar system
  C. Integrate a Data Domain appliance with Avamar

• Question 185:

  A customer has an existing EMC NetWorker backup group consisting of one file server. The file server has dual quad-core 2.9-GHz CPUs, 16 GB of RAM, and a single file system with a total of 6 TB of data. Due to a recent loss of backup

  tapes during shipment, the customer needs to encrypt the backups. The customer wants to prevent any possibility of backup data being intercepted during the transmission of backup data from the client to the NetWorker storage node. In

  addition, they want to minimize the change to their file server hardware and minimize operational changes.

  Which method meets the customer's requirements?

  A. AES encryption directive
  B. Inline encryption device
  C. Tape drive hardware encryption
  D. Layer-2 encryption device
  A. AES encryption directive

• Question 186:

  An EMC NetWorker customer performs daily full LAN backups of a busy application server to physical tape. The application server uses the compressasm directive to reduce LAN backup traffic. While the backup completes within the required backup window, the customer notices that the application is performing poorly.

  What can be done to improve application performance while maintaining minimum network traffic?

  A. Disable software compression
  B. Increase the max sessions on the tape drive
  C. Install a dedicated storage node on the backup client
  D. Replace the physical library with an EMC Disk Library
  C. Install a dedicated storage node on the backup client

• Question 187:

  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. Increase the number of simultaneous streams to at least 22
  B. Disable Remote Copy
  C. Increase the number of FC port connections to 4 and redistribute the tape drive assignment
  D. Disable Capacity on Demand
  A. Increase the number of simultaneous streams to at least 22

• Question 188:

  A customer has an EMC Avamar server with four 3.9 TB data nodes and is backing up two large clients in the same backup group.

  The first client has: 8 GB of RAM File system #1 with 3 million files consuming 0.75 TB of space File system #2 with 5 million files consuming 1.00 TB of space

  The second client has: 10 GB of RAM 1 file system containing 4 million files consuming 1.20 TB of space How long will the steady state backup group be expected to run?

  A. 5 hours
  B. 6 hours
  C. 8 hours
  D. 12 hours
  C. 8 hours

• Question 189:

  As illustrated in the exhibit, a customer has a backup environment that includes clients and server managed by a backup media server. Data is written to a primary storage device and archived to an application server. The customer has onsite

  retention strorage, which is replicated to a disaster recovery site. In addition, archive-to-tape is requires.

  Which components would you replace when initiating a Data Domain solution?

  

  A. onsite retention storage and offsite disaster recovery storage
  B. Backup media server and clients
  C. Primary storage and onsite retention storage
  D. Backup media server and archive application server
  A. onsite retention storage and offsite disaster recovery storage

• Question 190:

  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?

  A. Available bandwidth
  B. Recovery point objective
  C. Frequency of restore requests
  D. Type of backup
  C. Frequency of restore requests