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  Aug 3

  EMC认证E22-280考试题库介绍

  考试代号: E22-280
  问题数量:114 Q&As
  
  更新时间: 2009-10-13
  注册地点: Prometric/Pearson VUE
  题库全称:Avamar Backup and Data Deduplication Exam

  免费E22-280题库Demo赏析

  　
  　
  Exam : EMC e22-280
  Title : Avamar Backup and Data Deduplication Exam

  1. Which level of data can be restored?
  A. Directories only
  B. Files only
  C. Files, directories, and file systems
  D. Filesystems only
  Answer: A

  2. What are the components of the Avamar benchmark test?
  A. Random write, garbage collect performance, and HFS check performance
  B. Random write, random read, and network throughput
  C. Sequential write, network throughput, and backup performance
  D. Sequential write, sequential read, and random seek
  Answer: D

  3. Click the Exhibit button.
  Which EMC Avamar accelerator processes map to each item listed?
  A. 1=Avagent, 2=NDMPCOPY, 3=ndmjob, 4=avtar
  B. 1=Avagent, 2=avtar, 3=NDMPCOPY, 4=ndmjob
  C. 1=Avagent, 2=avtar, 3=NDMPCOPY, 4=ndmjob
  D. 1=Avagent, 2=ndmjob, 3=NDMPCOPY, 4=avtar
  Answer: A

  4. What is the function of an Avamar spare node?
  A. Load balance the utility node
  B. Dynamically grow capacity
  C. Replace a failed data node
  D. NDMP Accelerator
  Answer: D

  5. What does Avamar’s deduplication process accomplish?
  A. Achieves maximum advantage of disk characteristics
  B. Enables platform-independent data objects
  C. Ensures that each data object is stored only once
  D. Provides data integrity and disaster recovery protection
  Answer: D

  6. How does Avamar differ from traditional backup and restore solutions?
  A. Backs up only unique, sub-file data objects
  B. Offers one server configuration type
  C. Provides four types of backup levels
  D. Uses dedicated backup network
  Answer: B

  7. What describes the characteristics of an NDMP backup capability through an EMC Avamar accelerator?
  A. Initiates a Level-1 backup to the NAS device to retrieve only change files, then uses the file cache to deduplicate data.
  B. Is an active member of the EMC Avamar system’s RAIN configuration that provides a backup and recovery solution for NAS devices.
  C. Stores Level 0 data in order to deduplicate subsequent backups, uses the hash cache to deduplicate data sent to the server.
  D. Initiates a Level-1 backup to the NAS device to retrieve only change files, then uses the hash cache to deduplicate data.
  Answer: D

  8. You are configuring the network on an Avamar Data Store and need to log in as user ‘root’. What is the default operating system root password?
  A. 8RttoTriz
  B. calvin
  C. changeme
  D. P3t3rPan
  Answer: C

  9. You are using the Avamar Administrator console to configure replication. What is the default Avamar root password?
  A. 8RttoTriz
  B. calvin
  C. changeme
  D. P3t3rPan
  Answer: A

  10. Which EMC Avamar database backup option provides the fastest restore time?
  A. Avamar streaming agent is installed on a proxy server and backs up directly from the database server through the network to EMC Avamar.
  B. Avamar streaming agent is installed on the database server and backs up directly from the database server to EMC Avamar.
  C. Database is first dumped to a local disk cache accessed directly by the Avamar server’s utility node where the Avamar agent is installed.
  D. Database is dumped to a local disk cache accessed by an proxy where the Avamar agent is installed.
  Answer: D

  11. When backing up a MS Windows cluster using EMC Avamar, which resource needs to be excluded from the backup dataset?
  A. C: drive
  B. Quorom drive
  C. Shared Resource
  D. System32 Directory
  Answer: B

  12. A customer has an MS Exchange 2003 server with five Exchange databases in three storage groups. How many datasets will need to be defined to back up this Exchange environment?
  A. 1
  B. 3
  C. 5
  D. 8
  Answer: B

  13. What describes EMC Avamar MS SQL backups?
  A. Differential backups only include the transaction logs.
  B. Full backups include all objects, system tables and data.
  C. Incremental backups include data that has changed since the last full backup.
  D. Level 1 backups include all objects and data except for system tables.
  Answer: B

  14. A customer has three MS SQL servers, each has four databases. How many datasets need to be created to back up all databases on all servers with EMC Avamar?
  A. 1
  B. 3
  C. 7
  D. 12
  Answer: A

  15. What are key features of EMC Avamar?
  A. Disk-based archive RAID, RAIN, clustering and replication Global deduplication
  B. Global deduplication RAID, RAIN, checkpoints and replication Disk storage
  C. Global deduplication RAID, RAIN, checkpoints and replication Auto-archive of NAS
  D. OS-specific deduplication RAID, RAIN, checkpoints and replication Full, Incremental and Differential file system backups
  Answer: B

  16. What are the EMC Avamar typical daily change rates and performance throughputs for backing up databases?
  A. 0.3% daily change rate and performance throughput of 100 GB/hr
  B. 0.3% daily change rate and performance throughput of 10 GB/hr
  C. 3% daily change rate and performance throughput of 100 GB/hr
  D. 3% daily change rate and performance throughput of 10 GB/hr
  Answer: C

  17. In an EMC Avamar backup, how are Microsoft Office 2007 files processed?
  A. Chunking is not performed on the files.
  B. Files are chunked first, then compressed and hashed.
  C. Files are compressed first, then chunked and hashed.
  D. Files are uncompressed first, then chunked and hashed.
  Answer: D

  18. Which type of Avamar fault tolerance provides protection for node failure?
  A. Checkpoint
  B. RAID
  C. RAIN
  D. HFS Check
  Answer: D

  19. What is an advantage of Avamar’s deduplication technology?
  A. Eliminates backup catalog
  B. Improves drive speeds
  C. Stores data from different OS on same devices
  D. Stores unique sub-file data objects
  Answer: B

  20. What describes the characteristics of an EMC Avamar NDMP accelerator?
  A. A component of the EMC Celerra NAS architecture that provides backup and restore capability to the EMC Avamar server
  B. A specialized node that intercepts Level-1 deduplicated data from the NAS devices and passes it along to the Avamar server to provide full copies of the data
  C. An active member of the EMC Avamar system’s RAIN configuration that provides a backup and recovery solution of NAS devices via the Network Data Management Protocol (NDMP)
  D. A specialized node that acts as a proxy to provide a complete backup and recovery solution for NAS devices via the Network Data Management Protocol (NDMP)
  Answer: D

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