H13-611 : HCNA-Storage-BSSN (Huawei Certified Network Associate – Building the Structure of Storage Network) : Part 03

H13-611 : HCNA-Storage-BSSN (Huawei Certified Network Associate – Building the Structure of Storage Network) : Part 03

1. Which of the following statements about HUAWEI OceanStor V3 SmartTier dynamic storage tiering technology is NOT true?

   • The SmartTier automatically and dynamically matches data from different activity levels with storage media of different characteristics.
   • The SmartTier calculates and analyzes the activity level of data.
   • Data statistics, analysis, and relocation activities of the SmartTier affect service continuity and data availability.
   • The SmartTier data relocation activities are based on configured policies.

2. Statement 1: Port zoning is preferred for zoning a FC switch when there are a lot of changes to the patch points.

   Statement 2: Alias zoning is a user friendly version of soft zoning.

   • Statements 1 and 2 are false
   • Statement 1 is true; Statement 2 is false
   • Statement 1 and 2 are true
   • Statement 1 is false; Statement 2 is true

3. Select the correct statements about the structure and functions of the hard disk components. (Choose all that apply.)

   • Disk platter is responsible of storing data in binary form.
   • The disk connector is responsible of connection and rotation of the platter.
   • The spindle is responsible for sending commands to the disk head.
   • The actuator is responsible of moving the Read/Write arm.

4. What statement about the SATA and SAS technologies is true?

   • Both SATA and SAS are intelligent protocols with intelligent devices.
   • Both use full-duplex communication.
   • Both use serial communication.
   • SATA and SAS support the same maximum number of devices on the bus.

5. Which of the following occurs after multipathing software is installed on a host? (Choose all that apply.)

   • Improves link reliability and prevents the failure of a single link from causing a system failure.
   • Sets up connection between a storage device and the host.
   • Avoids logical errors from occurring in the operating system as a result of multiple reachable paths to the same LUN.
   • Maps a LUN to the host.

6. Statement 1: We have a RAID5 protected group of disks. The protection level increases if we add more disks to the group.

   Statement 2: With a RAID 10 set the number of disks must be greater than 8 to always survive a dual disk failure.

   • Statement 1 is true and statement 2 is false.
   • Statements 1 and 2 are both true.
   • Both statements 1 and 2 are false.
   • Statement 1 is false and statement 2 is true.

7. What statement is true?

   • IT managers should determine the retention period for data.
   • Information Life Cycle management must be based on the costs for the storage hardware.
   • Storing a lot of random, unstructured data can become a management problem for many companies.
   • Technology is the main factor that decides which disaster recovery method will be implemented.

8. Grid storage employs the combination of large scale serial distributed storage to provide even distribution of storage across all nodes.

   • FALSE
   • TRUE

9. When the RPO is minutes instead of hours the best backup method is traditional Tape backup.

   • TRUE
   • FALSE

10. Which of the following methods provides the best RTO?

    • Replication
    • Disk-To-Tape
    • Virtual Tape Library
    • Disk-To-Disk-To-Tape

11. Statement 1: Disaster Recovery plans eliminate the need for backups on tape or disk.

    Statement 2: With the design of the DR plan one should always assume the worst possible scenario.

    • Statement 1 and 2 are true.
    • Statement 1 and 2 are false.
    • Statement 1 is true; Statement 2 is false.
    • Statement 1 is false; Statement 2 is true.

12. The restore time objective (RTO) specifies the time needed to recover the data and servers after a disaster has occurred.

    • FALSE
    • TRUE

13. Statement 1: Virtual Tape Libraries allow for a highly scalable backup strategy as storage can be added later.

    Statement 2: Virtual Tape Libraries should be used when remote datacenters are NOT available.

    • Both statements 1 and 2 are false
    • Statement 1 is false and statement 2 is true
    • Statements 1 and 2 are both true
    • Statement 1 is true and statement 2 is false.

14. Statement 1: If possible it is always advised to make only Full Backups.

    Statement 2: LAN free backups typically run slower than LAN based backups.

    • Statements 1 and 2 are both true.
    • Both statements 1 and 2 are false.
    • Statement 1 is true and statement 2 is false.
    • Statement 1 is false and statement 2 is true.

15. Which of the following are correct steps in a LAN based backup job? (Choose all that apply.)

    • Agent on application server sends data to the backup device.
    • Backup server sends a “start-backup” command to the backup device.
    • Agent on application server sends data to backup media server.
    • Backup media server sends data to the backup device.

16. Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended?

    • Synchronous but ONLY if the link is a high speed 8 Gb/s fiber optical connection
    • Asynchronous
    • Synchronous
    • Both Asynchronous and Synchronous will work

17. Statement 1: Every time a tape is used to restore data, some data will be lost.

    Statement 2: Backup strategies that use tape as backup media typically have a high RTO.

    • Statements 1 and 2 are true.
    • Statements 1 and 2 are false.
    • Statement 1 is false; Statement 2 is true.
    • Statement 1 is true; Statement 2 is false.

18. HyperReplication for HUAWEI OceanStor V3 can use FC links between the data centers. ISCSI links are not supported.

    • TRUE
    • FALSE

19. Which of the following statements is incorrect?

    • Physical volumes reside on the lowest layer in the logical volume manager. Logical volumes and volume groups are dependent on physical volumes.
    • A logical volume can reside on multiple physical disks. Data storage can be physically discontinuous.
    • Multiple volume groups can be created on the space of a logical volume.
    • A volume group is built on physical volumes. A volume group can contain one physical volume group or multiple physical volumes.

20. In a Red Hat Linux 5 operating system, which command is used to mount the sdb5 in the dev directory to the sdb5 in the mnt directory?

    • df/dev/sdb5/mnt/sdb5
    • in/dev/sdb5/mnt/sdb5
    • cat/dev/sdb5/mnt/sdb5
    • mount/dev/sdb5/mnt/sdb5