QUESTION 1
Storage class memory a (SCM) is a new type of NAND medium. It is non-volatile memory with the access speed slightly lower than traditional memory.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 2
The following figure shows the physical structure of a storage System. Drag the components to the corresponding positions.

Select and Place:

Correct Answer:

QUESTION 3
Data processing is the reorganization or reordering of data by humans or using machines to increase the data’s value. Which of the following basic steps are included in data processing?

A. Input
B. Processing
C. Collection
D. Output

Correct Answer: ACD
QUESTION 4
Which of the following statements about scale-out are correct?

A. It can be implemented by simply adding disk enclosures.
B. In the scale-out architecture, the system performance can be improved by adding controller enclosures.
C. It is a vertical expansion architecture.
D. It is a horizontal expansion architecture.

Correct Answer: BD
QUESTION 5
As the core component of a storage system, a controller enclosure accommodates controllers and provides storage services.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 6
Which of the following factors affect HDD performance?

A. Rotational speed
B. Seek speed
C. Port rate
D. Single platter capacity

Correct Answer: ABCD
QUESTION 7
Which of the following statements are correct about SSDs and traditional HDDs?

A. SSDs provide a faster read/write speed.
B. SSDs generate more noise than HDDs.
C. HDDs are more shockproof and drop-resistant.
D. SSDs consume less power than traditional HDDs.

Correct Answer: AD
QUESTION 8
A storage engineer needs to consider certain networking rules. When deploying the storage network architecture, which of the following statements about networking rules are correct?

A. Nodes are deployed in a cabinet from top to bottom.
B. The total power consumption and weight of storage nodes, switches, and KVMs in a cabinet need to be evaluated.
C. When typical configurations are used, nodes in a basic cabinet are connected to switches in the cabinet through network cables and SFP+ cables.
D. Determine the number of nodes that can be housed in a cabinet based on the equipment room conditions.

Correct Answer: BCD
QUESTION 9
The following figure shows the local read process in a scale-out architecture, where a read I/O falls to be hit in the engine cache, and the disk to be read is a non-local disk. Rearrange the steps into the correct order.

Select and Place:

Correct Answer:

QUESTION 10
Which of the following statements about RAID 2.0+ is incorrect?

A. RAID 2.0+ offers 20-fold faster data recovery compared with traditional RAID.
B. RAID 2.0+ adopts the one-to-many fast reconstruction mode.
C. The impact of reconstruction on services is substantially reduced.
D. All disks in the storage pool participate in reconstruction.

Correct Answer: B
QUESTION 11
The DAS storage network architecture must be built using additional switches and routers.

A. TRUE
B. FALSE

Correct Answer: B

QUESTION 12
Scale-out storage can store data on multiple independent devices. Which of the following are advantages of scale-out storage?

A. Global load balancing
B. High performance
C. High-performance linked clone
D. High-performance snapshot

Correct Answer: ABCD
QUESTION 13
Which of the following nodes stores HDFS metadata?

A. NameNode
B. MetaNode
C. Client
D. DataNode

Correct Answer: A
QUESTION 14
In the IP SAN architecture, if the host uses the NIC and initiator software to convert packets, host resources are not occupied.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 15
Which of the following back-end ports are supported by Huawei’s next-generation hybrid flash storage?

A. 12 Gbit/s SAS
B. 100 Gbit/s RDMA
C. 32 Gbit/s FC
D. 25 Gbit/s RDMA

Correct Answer: AB
QUESTION 16
Devices communicate with Fibre Channel switches through optical fibers. Either end of an optical fiber connects to the Fibre Channel HBA and the Fibre Channel switch or application server, respectively.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 17
In the flash medium chip technology, QLC is cheaper than TLC and supports frequent rewriting, whereas SCM provides high-speed read/write and is suitable for server memory.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 18

What are the types of SSDs?

A. SLC
B. MLC
C. TLC
D. QLC

Correct Answer: ABCD
QUESTION 19
Which of the following statements about SmartMatrix is incorrect?

A. It enables a back-end disk enclosure to interconnect with eight controllers.
B. It is implemented based on front-end interconnect I/O modules (FIMs).
C. It supports both scale-up and scale-out.
D. It allows uses to add an unlimited number of controllers to a single storage System.

Correct Answer: B
QUESTION 20
Common Internet File System (CIFS) has high requirements on network transmission reliability, so it usually uses TCP/IP.

A. TRUE
B. FALSE

Correct Answer: A