EMC Implementation Engineer E20-005 Questions & Answers

• Question 81:

  How are local replication technologies classified?

  A. Network and storage array

  B. Host and storage array

  C. Network and CIFS

  D. Host and CIFS

  Correct Answer: B

• Question 82:

  What is a characteristic of the dependent write I/O principle?

  A. An application will not issue a write I/O until a prior related write I/O has completed

  B. An application will issue another read I/O before the prior related write I/O has completed

  C. An application will issue another write I/O before the prior related write I/O has completed

  D. An application will not issue a read I/O until a prior related write I/O has completed

  Correct Answer: A

• Question 83:

  What is the primary reason for ensuring consistency of a replica in a backup environment?

  A. Usability

  B. Speed of recovery

  C. I/O availability

  D. Network latency

  Correct Answer: A

• Question 84:

  When using array-based local replication, what component performs the replication?

  A. Storage system

  B. SAN switch

  C. Host system

  D. Network switch

  Correct Answer: A

• Question 85:

  Which process provides increased protection of data from both logical and physical errors and reduces the exposure to data loss?

  A. Continuous data protection

  B. Asynchronous replication

  C. Synchronous replication

  D. Array-based replication

  Correct Answer: A

• Question 86:

  In host-based replication, during the creation of a snapshot, what is the purpose of the metadata bitmap?

  A. To track blocks that have changed on the production source

  B. To indicate the exact address from which data is to be read

  C. To map a specific array device to a snapshot

  D. To locate and map the empty data blocks on a target device

  Correct Answer: A

• Question 87:

  What defines a point-in-time replica?

  A. The data on the replica that is synchronized with the production data at all times.

  B. A partial copy of the production data that is synchronized at some specific timestamp.

  C. A full copy of the production data that is synchronized at all times.

  D. The data in the replica that is an identical image of production at some specific timestamp.

  Correct Answer: D

• Question 88:

  Which are components of a NAS environment?

  A. NFS and IP

  B. NFS and zones

  C. CIFS and zones

  D. IP and WWN

  Correct Answer: A

• Question 89:

  A customer has a SAN-based storage system with extra storage capacity available. The customer wants to

  make this storage available to other hosts over the LAN.

  What is your recommendation?

  A. Integrated NAS

  B. NAS gateway

  C. NDMP 2-way

  D. NDMP 3-way

  Correct Answer: B

• Question 90:

  Refer to the exhibit.

  

  A company is implementing a VTL appliance in their environment as shown. What can be done so that Storage Node A can see the appliance?

  A. Configure SAN Switches 1 and 2 on the same fabric

  B. Zone Storage Node A to the VTL appliance

  C. Configure operating system tape drivers on Storage Node A

  D. Add the backup server to SAN Switch 2 and configure it as a bridge

  Correct Answer: A