Question 1

Which statements are false about software Installation of Huawei OceanStor Pacific series storage systems?

Options :

A :

To install the Distributed Parallel Client (DPC), the switch configuration is required before the installation regardless of whether the low level design (LLD)- or wizard-based installation mode is selected.

B :

To interconnect with FusionCompute during block service installation, storage and compute nodes must be deployed in converged mode, and the management nodes must be deployed in the virtualization environment.

C :

To interconnect with Huawei Cloud Stack during block service installation, storage and compute nodes must be deployed in converged mode, and the management nodes must be deployed in the virtualization environment.

D :

To install the file service in the standard protocol scenario, the switch configuration is not required throughout the entire installation process.

Answer: D

Question 2

Huawel OceanStor Pacific series storage supports the volume- or snapshot-based clone feature. Which of the following statements Is false about this feature?

Options :

A :

Small storage space occupation: A clone generated by the storage system is not a full physical data copy, which does not occupy large storage space.

B :

Quick generation: The storage system can generate a clone within several seconds to obtain the consistent copy of the source volume data.

C :

Lossless performance: Based on the ROW mechanism, the done write performance is equivalent to the source volume write performance.

D :

Cascading: Clones can be created based on clone volumes or snapshots of clone volumes in the storage system. A maximum of 64 cascading levels are supported.

Answer: C

Question 3

During routine O&M, an engineer finds that the system time of multiple Huawei flash storage devices Is Incorrect, and needs to correct the system time. Which of the following Is not a possible impact of changing the system time?

Options :

A :

If the new device time is later than the deadline for saving historical performance data, the system will no longer save historical performance data.

B :

Changing the device time will affect the life spans of disks and controllers, which may trigger alarms indicating that the hardware life span expires or hardware is aging.

C :

If the new system time is later than the user-defined password expiration date, the system may force the user to change the login password.

D : If the new device time is later than the certificate validity period, the certificate will expire.

Answer: B

Question 4

The scale-out storage system supports cabinet-level security. That is, N data blocks and M parity blocks are stored in different cabinets. If M nodes or M disks are faulty, the system can still read and write data without service interruption or data loss. If M cabinets are faulty, services may be interrupted.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

Huawei OceanStor Pacific series is an intelligent scale-out storage product that supports large-scale scale-out and delivers high reliability. Which of the following statements are false about the product’s reliability?

Options :

A :

In terms of data reliability, multiple RAID policies are supported based on the traditional disk-level RAID mode.

B :

The product adopts Kunpeng processors to integrate functions of multiple chips and effectively improve hardware reliability.

C :

The product leverages link aggregation to ensure transmission link redundancy and performs link switchover or isolation to ensure service continuity if a link becomes faulty or subhealthy.

D :

The product uses the multi-copy technology to implement the intra-node RAID function. If a node is faulty, the system reliability is not degraded and even remains higher than that of the EC mechanism.

Answer: A,D

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