EMT Practice Test

1. Question Content...

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Question1: The FSB is the base frequency of the CPU, and the unit is MHZ. The FSB of the CPU directly determines the speed of data exchange between the CPU and the memory.

Question2: Among the following chips, which semi-custom chip not only solves the shortcomings of custom circuits, but also overcomes the limited number of gate circuits of the original programming device?

Question3: PaaS provides the application development and operating environment, including middleware and database. Which of the following upper server software belongs to the software of the PaaS layer? (Multiple choice)

Question4: iBMC provides a wealth of interfaces, which of the following belong to? (Multiple choice)

Question5: The acceleration engine is a hardware acceleration solution provided by the TaiShan200 server based on the Kunpeng processor. Which of the following statements about the acceleration engine is correct?

Question6: An Internet company wants to migrate an assembly language software under Linux from the original X86 platform to the new Kunpeng platform. Which statement is correct? (Multiple choice)

Question7: Which of the following engineer A's understanding of the Nginx+Tomcat cluster model is wrong?

Question8: Which of the following processes must be included in the standard hyper-converged architecture delivery solution? (Multiple choice)

Question9: Which of the following statements about RAID50 is correct?

Question10: An Internet company purchased a batch of TaiShan servers to build a Web system. It is now planned to provide web front-end load balancing function. Which of the following software can provide web front-end load balancing function? (Multiple choice)

Question11: Which of the following descriptions about the Apache Tomcat cluster model is wrong?

Question12: In Huawei's full-stack full-scenario AI solution, which of the following modules is used to provide full-process services?

Question13: Which of the following statement about the function of the FusionDirector software management version is wrong?

Question14: When selecting a hard disk, you need to select the correct capacity adaptation according to the number of system slots and the capacity of the business requirements. Which of the following statements about hard disk capacity is correct?

Question15: Which of the following is the series of equipment developed by Huawei's artificial intelligence application computing platform?

Question16: Which of the following statements about HPC high-performance computing is wrong?

Question17: The general server is based on the PC architecture, using intel or other compatible X86 instruction set processor chips and Linux or Windows operating system servers, low price, good compatibility, poor stability, and not too high security, mainly used in SMEs and non-critical businesses.

Question18: The government and public security departments need to build a video image analysis platform, adopt Huawei's full-target structured solution, and require a single machine to support a maximum of 192 channels of 1080P full-frame face recognition tasks, or 192 channels of 1080P full-frame structured tasks. Which of the following is the suitable server Selection scheme?

Question19: Which of the following does not belong to the typical application scenarios of GPU?

Question20: Which of the following are Huawei Atlas products? (Multiple choice)

Question21: The server memory full memory bandwidth with the maximum nominal frequency + memory bus bits + channels * CPU number Huawei 2288H V5 supports up to 6-channel memory, when the full configuration server 2666 memory, the memory bandwidth is ____.

Question22: What are the types of optical fiber connected optical modules according to the packaging form? (Multiple choice)

Question23: Which of the following statement about the comparison between Kunpeng architecture and X86 architecture is correct? (Multiple choice)

Question24: There are many factors that affect the performance of hard disks, but in general, the performance ranking according to the type of hard disk should be RE: NVMe-SSD>SAS-SSD>SATA-SSD>SAS-15K>SAS-10K>SATA.

Question25: What is the series of equipment developed by Huawei's artificial intelligence application computing platform?

Question26: Which of the following components is not a common computing unit?

Question27: Which of the following main modules about the basic structure of the HPC system does not have application scenarios specificity?

Question28: Traditional BIOS is customized for traditional 16-bit processors, with low addressing ability and poor performance, while UEFI can be applied to any 64-bit processor with strong addressing ability and excellent performance.

Question29: An Internet company wants to transplant the compiled data under X86 platform Linux to the new kunpeng platform. Which of the following statements is correct? (Multiple choice)

Question30: Which of the following statements about Huawei's hyper-converged architecture is correct? (Multiple choice)

Question31: Which of the following statement about the intelligent version management function of FusionDirector software are wrong? (Multiple choice)

Question32: A company plans to port the C language from the X86 platform to the Kunpeng platform. This process involves the compilation of gcc. Which of the following are part of the gcc compilation process? (Multiple choice)

Question33: What is the correct statement about data routing and cluster management in the Huawei Fusionstorage architecture? (Multiple choice)

Question34: Which of the following statements about the advantages of FPGAs is correct? (Multiple choice)

Question35: Although the use of Hyper-Threading technology can simultaneously execute two threads, but it's not like two real CPU as each CPU has its own resources, so performance is not equal to two Hyper-Threading CPU performance.

Question36: Scaleout horizontal expansion refers to disassembling work tasks to multiple servers for processing through?

Question37: Middleware mainly provides operating and development environment for upper-level software, providing prefabricated and reusable business function modules, API interfaces, etc. to help users develop and integrate complex application systems flexibly and efficiently.

Question38: In the RoCE scenario, what is the acceleration component that uses the dynamic congestion control algorithm?

Question39: Redis is a completely open source and free to comply with the BSD protocol and is a high-performance key-value database. Which of the following configuration has no obvious effect on optimizing Redis?

Question40: Memory is one of the important components in the computer. It is a bridge to communicate with the CPU. Memory performance directly affects the overall performance of the server. With the rapid development of servers, what is the possible direction of the gradual evolution of memory? (Multiple choice)

Question41: System sub-health detection and preprocessing refers to the recovery of data in advance by detecting the failure and health status of storage media and hardware, thereby ensuring performance and reliability. Which of the following can detect the health status?
1.Hard so failure slow disk, bad block Smart information, the UNC error
2.Network card failure, speed reduction link packet loss, speed reduction, port failure, flash disconnection, packet loss
3.server service control CPU resource exhaustion, CPU frequency decreases, memory failure ALLED CHOPPED CHING
4.the SSD card failure, slow cards, bad blocks, temperature fault, capacitor failure, endurance than ethylene health threshold

Question42: Which of the following statements about the comparison between CISC and RISC is correct? (Multiple choice)

Question43: Which of the following PCIe PIN bus numbers is 64?

Question44: TaiShan server adopts NUMA architecture. Which of the following tools can monitor NUMA topology and resource usage to dynamically improve NUMA resource allocation and management?

Question45: Which of the following understandings of server characteristics is incorrect?

Question46: The operation and maintenance personnel of H company received feedback from users that the company's Web server responded slowly. The system administrator uses the ss command to check that the server has a large number of FIN-WAIT status links. At this time, which of the following parameters should be modified?

Question47: Which of the following descriptions about the Huawei server BMC firmware upgrade operation is incorrect?

Question48: Intelligent network card uses LDPC error correction algorithm to achieve high reliability of data.

Question49: Puppet and Ansible are both automated operation and maintenance management tools. Which one is wrong about the understanding of the two operation and maintenance management tools?

Question50: A project moved a self-developed software of C language under Linux from the X86 platform to the new Kunpeng platform. Which of the following statements is correct?

Question51: GPU is widely used in the field of machine learning because of its SIMD (Single Instruction Multiple Data) architecture. FPGAs have become popular recently. Which of the following statements about FPGAs and GPUs is correct?

Question52: What type of authorization does Huawei HiSilicon obtain from ARM?

Question53: Which of the following descriptions about the bus is wrong?

Question54: When configuring distributed block storage software in a hyper-converged architecture database scenario, which of the following statement about the configuration principle is incorrect?

Question55: NVMe hard drives can support direct hot-plugging, but access to all NVMe hard drives to be removed must be stopped before removal.

Question56: Engineer A is delivering the virtualized FusionSphere application scenario of Huawei's hyper-converged architecture. Which of the following statements about the various nodes in this scenario is wrong?

Question57: The commonly used instruction sets of microprocessors include simplified instruction set, complex instruction set, display parallel instruction set, etc. Which of the following statements about instruction set are correct? (Multiple choice)

Question58: In the private cloud hyper-converged architecture, X86 architecture servers can be used, or servers similar to Huawei Kunpeng architecture can be used to carry the functions of nodes such as computing and storage.

Question59: The Huawei TaiShan distributed storage solution is based on the TaiShan hardware platform and relies on the all-round overall advantages of the self-developed CPU, network card, SD, management chip, and AI chip of TaiShan hardware, combined with open source ceph distributed storage software, to provide customers with Distributed storage solutions for block storage, file storage, and object storage services.

Question60: Which of the following understanding of the functions and features of Huawei's intelligent management software FusionDirector is wrong?

Question61: In the application scenario of TaiShan server SSL acceleration scheme, when the asymmetric encryption of TLS handshake is accelerated, which of the following algorithms is mainly uninstalled?

Question62: In the Huawei Azure Stack hybrid cloud architecture, which of the following components does not belong to the hybrid cloud infrastructure certified by Microsoft?

Question63: Memory is one of the important parts of the computer. Which statement is wrong about the definition of memory?

Question64: EulerOS can prevent failures in time, analyze and accurately locate failures, and automatically analyze the root causes of errors. Which of the following are hardware fault isolation? (Multiple choice)

Question65: Which of the following is not the main advantage of the cluster system?

Question66: A certain office purchases a batch of TaiShan servers to expand the existing distributed storage Ceph. The Ceph storage cluster receives files from the client and stores them (the entire process of the OSD node in the order of File>object mapping, Object->PG mapping and PG>OSD mapping to achieve device data storage).

Question67: In some system tuning scenarios, kernel parameters need to be changed to adjust Linux kernel functions. The proc file system provides an interface to access the kernel. Which of the following methods can modify the contents of the proc file system? (Multiple choice)

Question68: It can prevent failures in time, analyze and accurately locate failures, and automatically analyze the root causes of errors. Which of the following are hardware fault isolation? (Multiple choice)

Question69: Which of the following options does not belong to the CPU performance index?

Question70: The typical von Neumann architecture adopted by the CPU, in which the data signal is controlled by the input device, and then reaches the arithmetic unit for calculation.

Question71: The execution efficiency of the C/C++ compiled language program running under the Kunpeng architecture is the same as that of the X86 architecture, which is higher than that of interpreted language programs such as Java.

Question72: BMC is an independent system consisting of a processor, a small system, and management software. Can work independently. Servers need BMC, and PC computers do not have BMC.

Question73: FDM (Fault Diagnosis and Management) has established a comprehensive and comprehensive fault and pre-fault handling capability of the hardware system, with an effective fault location rate of 93%. Which of the following statements is wrong?

Question74: MIPS is based on RICS technology, coupled with the scalable hardware and software design in the MIPS architecture, makes the MIPS solution ARM's similar solutions have higher performance and lower power consumption.

Question75: Stateless computing means that the physical attributes of computer servers can be configured, inherited, copied, and migrated remotely, so as to realize the automation of server deployment, replacement, and business migration. Without reconfiguration operations, computing can reach "stateless".

Question76: Hot spare means that when a hard disk in a redundant RAID group fails, without interfering with the normal use of the current RAID system, another normal spare hard disk in the RAID system is used to automatically replace the failed hard disk to ensure the RAID system in time the redundancy.

Question77: Which of the following statements about typical scenarios of offline analysis and data mining is wrong?

Question78: A engineer first configures Boot in Legacy mode. If the addressing ability is prioritized, more hardware cannot be loaded and the boot is slow. Later, or engineers switched to UEFI mode for configuration, which was an unprecedented improvement. What features of UEFI are highlighted above? (Multiple choice)

Question79: When the C language is transplanted from the X86 platform to the Kunpeng platform, it is necessary to compile more. For most open source software, which of the following commands can be executed to complete the compilation and installation? (Multiple choice)

Question80: Currently popular heterogeneous programming frameworks in the industry include OpenCL, CUDA, and C++AMP. Among them, OpenCL supports the most types of architectures and has the best compatibility.

Question81: Huawei IN500 intelligently supports protocol offloading, which improves network performance. Which of the following is the protocol supported by IN500 for uninstallation?

Question82: Huawei Atlas800 deep learning system. Lower the technical threshold for using AI. Let customers focus more on the business itself and enable the rapid development and launch of AI services. Which of the following devices can be used for their computing nodes?

Question83: The network interrupt binding core on the TaiShan server is relatively obvious. Compared with using the kernel's irbalance to make scheduling on all cores, fixing the interrupt on a certain processor can effectively improve the ability of the service network receiving and sending packets.

Question84: Engineer A discovered during a performance test that process P (PD 12345) is constantly migrating on an 8- core processor. In order to improve the efficiency of process P, A decided to bind process P to CPU1 and CPU2, as follows What can be bound? (Multiple choice)

Question85: The frequency of the CPU includes main frequency, external frequency, bus frequency and multiplier. Which of the following statements about multiplier is incorrect?

Question86: The three types of operating systems divided by application areas are (), server operating systems, and (). Server operating systems generally refer to operating systems installed on large computers, such as web servers, application servers, and database servers. (Multiple choice)

Question87: A company purchased a batch of TaiShan servers to storage to the original distributed Ceph for expansion. Among them, Ceph uses the CRUSH algorithm to achieve fast and accurate data storage under large-scale clusters, and at the same time, it can achieve the smallest data migration in the event of hardware failure or expansion of hardware equipment. For CRUSE main factors affecting the algorithm are? (Multiple choice)

Question88: TaiShan server adopts NUMA architecture. You can view the running status of NUMA through commands. If you need to view the number allocated by the local node and the number of processes allocated by other nodes, what data items should you pay attention to at this time?

Question89: Compared with a personal user operating system, what are the advantages of a server operating system? (Multiple choice)

Question90: Which of the following statements about the configuration principles of database nodes is correct? (Multiple choice)

Question91: The management software is hierarchical. It is divided into three layers. What are the two most important layers?

Question92: The applicable scenario of the TaiShan server SSL acceleration solution is to accelerate the asymmetric encryption of the TLS handshake, mainly to uninstall the RAS1024 algorithm.

Question93: To ensure high data reliability, ES3000 V5 SSD has built a multi-level data verification protection mechanism to ensure data security.

Question94: Company A purchased a batch of TaiShan servers to expand the existing distributed storage Ceph. Which of the following are the main steps for installing and deploying file storage services? (Multiple choice)

Question95: Heterogeneous computing is a new computing model after single-core computing and multi-core parallel computing. Which of the following descriptions about the background of heterogeneous computing is wrong?

Question96: TaiShan server uses Huawei Kunpeng processor to realize the integration of "calculation, storage, transmission, management, and intelligence". Which of the following chip technology is applied on the "transmission"?

Question97: The essence of intelligent computing includes: breaking the CPU boundary, breaking the server boundary, breaking the data center boundary, and centering on "computing, managing, AI, storage, and transmission" chips to create a full-stack, full-scenario intelligent solution covering the cloud, edge, and end.

Question98: EulerOS is an operating system developed based on a stable system kernel. It has high security features. Which of the following are EulerOS security reinforcement methods? (Multiple choice)

Question99: Linux is a collective term for a class of free-to-use and freely spread Unix-like computer operating systems. Which of the following is not an advantage of Linux?

Question100: There are many hard disk interfaces for servers, which is the fastest transmission rate currently?

Question101: The general-purpose server is based on the PC architecture, using Intel or other compatible X86 instruction set processor chips and Linux or Windows operating system servers, low price, good compatibility, poor stability, security is not too high, the main Concentrated in SMEs and non-critical businesses.

Question102: When an SSD disk is configured in the system, which I/O scheduling algorithm is most suitable?

Question103: Which of the following micro-architectures are introduced in the year of the Intel TickTock (pendulum mode) architectures? (Multiple choice)

Question104: In the following typical configuration of TaiShan big data solution, which scenario has strong demand for large memory? (Multiple choice)

Question105: In a cluster, a group of service entities that work together to improve efficiency by increasing the number of tasks executed per unit time.

Question106: IPMI is a very independent agentless management subsystem, which can be run in the system alone because which is the core of IPMI?

Question107: Isomorphic computing is a calculation method that uses the same type of instruction set and computing units of the architecture to form a system.

Question108: When the kernel launch crashes, EulerOS provides debugging tools that can save the memory data. Which of the following does not have this feature?

Question109: Scale-up vertical expansion refers to the improvement of ( ) server ( ) applicable to financial transactions, meteorological analysis, scientific research and other fields.

Question110: Intel's QuickPath Interconnect technology is abbreviated as QPI, which is translated as fast channel interconnection to realize direct interconnection between chips. Which of the following statements about QPI is correct?

Question111: After the ARMv7 architecture, the name of ARM's processor architecture is changed to Cortex. Which ARM architecture does Huawei's self-developed mobile phone processor chip use?

Question112: The Huawei Atlas800 enterprise-level deep learning platform has a pre-trained image classification model. Which one is this model?

Question113: TaiShan big data solution is based on Huawei Kunpeng processor. Which of the following about TaiShan big data solution is wrong?