Free Access Huawei.H13-231-ENU.v2022-11-04.q120 Practice Test (Page 16)

Question 71

An application consumes a lot of IO resources. In order to improve the read and write performance of the application, what adjustments should be made to the system parameters?

A.vm.dirty_background radio=20

B.vm.dirty_ background radio=5

C.vm.swampiness=100

D.vm.swapiness=0

Question 72

Early hard disk interfaces include IDE, SCSI, etc. With the development of hard disk technology, these interface types have disappeared. The current mainstream hard disk interfaces include SATA, SAS, PCIE, etc. Which of the following statements about SAS and SATA is correct?

A.SAS can meet high-performance, high-reliability applications, while SATA can meet large-capacity, non-critical business applications.

B.At the physical layer, the SAS interface and the SATA interface are compatible with each other. SATA hard disks can be used directly in the SAS environment, and SAS hard disks can also be used directly in the SATA environment.

C.SAS is a new generation of SCSI technology, using parallel technology to obtain higher transmission speed, and improving internal space utilization by shortening the connection line, etc.

D.At present, most of the mobile hard drives in the household category are SAS interfaces, while SATA interfaces are enterprise-level applications.

Question 73

Company A purchased the Huawei TaiShan server and wanted to migrate a piece of software that was originally running under the Windows system of the X86 server to the new Kunpeng platform. Which of the following statements is wrong?

A.Consider using software with similar functions under Linux for replacement transplantation.

B.Recompile to run on the new Kunpeng platform.

C.Consider the X86+ARM hybrid deployment plan.

D.Kunpeng platform does not support Windows software, so it cannot be ported.

Question 74

The size of the cache is also one of the important indicators of the CPU, and the structure and size of the cache have a great impact on the CPU speed. Which of the following statements about the CPU cache is wrong?

A.The CPU cache is divided into three levels, the most important of which is the three-level cache, where 80% of the data is stored.

B.The second-level cache is the second-level cache of the CPU, divided into internal and external chips.

C.The third-level cache is a cache designed for missed data after reading the second-level cache.

D.The first level cache is the first level cache of the CPU. It has the highest technical difficulty and manufacturing cost and is divided into data cache and instruction cache.

Question 75

Which of the following options is not the main reason for the development of cloud computing?

A.Changes in business models

B.Demand-driven

C.Technological progress

D.Economic changes

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