H19-338_V3.0

H19-338_V3.0 practice questions, page 4 of 5, with answer review and explanations.

Question 16

Which of following failures happened, the service will be not interupted for high-end flash storage? (Choose all that apply.)

  1. Only one controller is available
  2. Two controllers fail at the same time (more than two controllers).
  3. One engine fails (multiple engines).
  4. 2 disks fail in a storage pool.

Question 17

Multiple LUNs are created in a storage system at a site. Some LUNs are used to run high-priority critical services and some LUNs are used to execute low-priority backup tasks. Which of the following technologies can ensure normal running of critical tasks and prevent resources from being preempted by backup tasks?

  1. SmartQoS burst quota
  2. SmartQoS lower limit guarantee
  3. Wear Leveling
  4. Anti-wear leveling

Question 18

Which statement about OceanStor Dorado component upgrade is false?

  1. The upgrade duration is short.
  2. The performance is not compromised.
  3. The controllers reset.
  4. The hosts are unaware of a component upgrade.

Question 19

At site X, the data traffic of a LUN used for authentication increases abruptly during peak hours. Which of the following technologies of OceanStor Dorado can ensure the smooth running of services on the LUN?

  1. SmartQoS upper limit control
  2. SmartQoS burst quota
  3. SmartQoS lower limit guarantee
  4. Wear Leveling

Question 20

If a disk firmware bug causes I/O timeout, which of the following reliability technologies of OceanStor Dorado will take effect? (Choose all that apply.)

  1. RAID reconstruction
  2. Quick response to slow I/Os
  3. Fast reconstruction
  4. Online diagnosis