Question 1

What is the main difference between mechanical drives such as SAS with solid state drives (SSD)?

Options :

A : The lifespan of hard drive.

B : The presence of mechanical parts.

C : The capacity of hard drive.

D : The performance of the hard drive.

Answer: D

Question 2

Which of the following statements are characteristics of pre-copy technology? (Choose all that apply.)

Options :

A : Improves system reliability.

B : Reduces system performance.

C : Migrates data from a suspected faulty disk to a hot spare disk immediately after the error count of the suspected faulty disk exceeds the preset threshold.

D : Reduces the occurrence of reconstruction.

Answer: A,C,D

Question 3

What are the main functions of the business continuity solution? (Choose all that apply.)

Options :

A : Minimize the impact on the business service.

B : Predict the disaster occurrence accurately.

C : Zero data loss and zero service interruption.

D : Improve the utilization rate of the disaster recovery equipment.

Answer: A,C,D

Question 4

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.

Options :

A : Statement 1 is true and statement 2 is false.

B : Statements 1 and 2 are both true.

C : Both statements 1 and 2 are false.

D : Statement 1 is false and statement 2 is true.

Answer: C

Question 5

Which of the following statements about reconstruction is incorrect?

Options :

A : RAID 0, 1, 5, 6, and 10 support reconstruction

B : Reconstruction affects system performance

C : Reconstruction does not interrupt system services

D : Reconstruction requires hot spare disks

Answer: D

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