H13-231 무료 덤프문제 온라인 액세스

Which of the following statements about computer systems are wrong?

• A.The computer system is built on the underlying hardware, and the common forms of servers include tower, blade, rack, etc.
• B.The rise of the common X86 architecture server originates from mainframes, which belong to CISC complex instructions.
• C.Computer software can be divided into system software at the bottom layer, application software at the upper layer and middleware between the two.
• D.Minicomputers, mainframes use "host-terminal" operation.

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.swapiness=0
• C.vm.swampiness=100
• D.vm.dirty_ background radio=5

Which of the following scenarios can the accelerator engine of TaiShan server be applied to? (Multiple choice)

• A.Web Services
• B.Big data
• C.Smart Security
• D.Data encryption

ARM microprocessors have been popularized in industrial control, consumer electronics, communication systems, network systems, wireless systems and other product markets. Which of the following descriptions of the characteristics of the ARM architecture is wrong?

• A.A large number of registers are used, and most data operations are completed in the registers, and the instruction execution speed is faster.
• B.The same function and performance occupy a small chip area, low power consumption, higher integration, and more hardware CPU cores.
• C.Adopt a complex instruction set. High processing efficiency
• D.It supports 16-bit, 32-bit, and 64-bit multiple instruction sets, and is well compatible with various application scenarios from OT, terminal to cloud.

In the process of TaiShan service system tuning, it is first necessary to understand the system performance metrics. In the process of network tuning. Which of the following performance indicators are more important?

• A.Packet loss rate
• B.CPU usage
• C.IO average waiting time
• D.Use swap space