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 . Computer software can be divided into system software at the bottom layer, application software at the upper layer and middleware between the two.
- C . Minicomputers, mainframes use "host-terminal" operation.
- D . The rise of the common X86 architecture server originates from mainframes, which belong to CISC complex instructions.
In the RoCE scenario, what is the acceleration component that uses the dynamic congestion control algorithm?
- A . IN series smart network card
- B . FPGA acceleration components
- C . SSD acceleration components
Which of the following processes must be included in the standard hyper-converged architecture delivery solution? (Multiple choice)
- A . Distributed storage system writes data: According to the LBA of the application layer and the block size, multiple keys are generated in units of 1MB, and the keys are hashed into a patation ID, and then the main OSD is found according to the partition ID, and the main OSD notifies the backup corresponding to the partition OSD write data.
- B . Planning and design
- C . Project watchdog
- D . Installation and commissioning
- E . Project acceptance
Huawei Atlas 800 deep learning system lowers the technical threshold for using AI, allowing customers to focus more on the business itself so that the AI business can be quickly developed and launched. Which of the following deep learning frameworks is currently not supported?
- A . MXNel
- B . Hard
- C . PyTorch
- D . Tensorflow
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)
- A . Memcached
- B . Nginx
- C . HAProxy
- D . LVS
Regarding the DBN node in the Huawei hyper-converged database scenario, which of the following statements is wrong?
- A . Fusionsorage adopts a convergent deployment method for DBN nodes to run VBS, MDC and OSD
- B . The underlying operating system of the DBN node is a standard Linux system directly deployed on the physical server.
- C . Support Oracle DB, Microsoft SL Server, IBM DB2, SAP Sybase multiple database software
What is the correct statement about data routing and cluster management in the Huawei Fusionstorage architecture? (Multiple choice)
- A . When the system starts, MDC and ZK interact to determine MC, and the main MDC and other MDCs monitor each other’s heartbeats. The master MDC decides who will take over after a certain MDC fails. Other MDC found that the main MDC was faulty and interacted with zk as the main MDC.
- B . Query the main MDC when VBS starts and register with the main MDC.
- C . Distributed storage system writes data. According to the LBA from the application layer and the block size, the VBS generates multiple Keys in units of 1MB, hashes the Keys into Partition IDs, and then follows up the Partition to find the main OSD, and the main OSD notifies the partition corresponding to the OSD to start writing data.
- D . When the distributed storage system is created, N Partitions are generated in the space of 2 to the 32th power, and the backup OSD starting write data corresponding to the Partition is generated according to the distribution of the disk.
- E . When the OSD starts, it queries the MDC from the MDC, reports the status to the home MDC, and the home MDC sends the status change to the VBS. When the home MDC fails, the master MDC designates one MDC to take over, and at most two pools belong to one MDC.
Which of the following is not a typical configuration of Huawei’s hyper-converged database scene?
- A . Calculation: X6800
Storage: RH2288V3 server + FusionStorage software
Network: E9000 intra-frame switch + CE5885 - B . Calculation: 1288H V5/2288H V5/2488H V5
Storage: 2288HV5 server FusionStorage software
Network: External B switch+CE5855 - C . Calculation: RH5885H V3/RH2288H V3
Storage: RH2288V3 server + Fusionstorage software
Network: External B switch+CE555 - D . Calculation: E9000
Storage: E9000 storage blade + FusionStorage software
Network: E9000 in-frame switch
An Internet company purchased a batch of TaiShan servers to build a Web system, and now uses httpress to test its performance. httpress -n 10000 -c 100 -t 4 -k http://localhost:8080/index.html What is the correct statement of the test command?
- A . There are 10,000 threads in the test.
- B . There are 100 concurrent counts in the test.
- C . The test is a short connection test.
- D . There are 4 requests in the test.
Which of the following statements about Huawei’s hyper-converged architecture is correct? (Multiple choice)
- A . The software in Huawei’s hyper-converged architecture mainly uses FusionStorage distributed storage software/
- B . The function of disaster recovery and backup in Huawei’s hyper-converged architecture.
- C . Huawei super fusion architecture hardware platform mainly FusionServer pro or Taishan server (currently pushing Taishan)
- D . Huawei super converged infrastructure platform can be used in a virtual body FusionSphere virtualization software can also be used VMware or Hyper-V virtualization software (does not support Hyper-V virtualization software)
Which of the following statements about SDS software-defined storage in traditional storage in terms of storage management is correct?
- A . The LUN configuration of SDS is complicated, and it is difficult to modify the configuration.
- B . The external management interface of traditional storage is more automated and standardization.
- C . SDS mainly refers to SAN storage products with complicated management.
- D . The management unit of SDS is changed from the original traditional storage RAID group and LUN group to application virtual machine.
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 . Kunpeng platform does not support Windows software, so it cannot be ported.
- B . Recompile to run on the new Kunpeng platform.
- C . Consider the X86+ARM hybrid deployment plan.
- D . Consider using software with similar functions under Linux for replacement transplantation.
ASIC is another new type of chip after CPU, GPU and other general-purpose chips. Which of the following is the wrong understanding of ASIC chip?
- A . The biggest advantage of ASIC chips lies in the fact that the algorithm can be modified according to customer requirements to meet business needs during the use of the chip (the algorithm is fixed and may not be used once it is modified).
- B . ASIC refers to an integrated circuit designed and manufactured for specific user requirements and specific electronic system needs.
- C . Compared with general integrated circuit ASC, it has the advantages of smaller size and lower power consumption.
- D . The current mainstream ASIC manufacturers include Huawei, Google, Cambrian, etc.
Which of the following statements about typical scenarios of offline analysis and data mining is wrong?
- A . Configure balanced SATA hard drives.
- B . Configure large memory
- C . Configure mid-range CPU
- D . This scenario is generally a warm data configuration, and data reliability generally adopts triple copy technology or 1.5 copy EC (erasure code) configuration.
Huawei traffic video illegal analysis solution uses Atlas 500 as the edge node, and multiple edge nodes are aggregated to Atlas800 AI all-in-one machine. Which one is not the role of Atlas800?
- A . Query and data reporting
- B . Centralized management
- C . Illegal storage
- D . Model training
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.
- A . True
- B . False
Which of the following tuning strategies are suitable for Nginx physical server as Web Server? (Multiple choice)
- A . Increase the buffer size to avoid buffer overflow caused by a large number of new connections and a connection cannot be established.
- B . reduce TIMEWAIT connections, to avoid excessive TIME WAIT connected network resources lead to new connections to resource constraints.
- C . Increase the range of available ports to avoid a large number of connections occupying ports, new connections continue to search for available ports, resulting in performance degradation.
- D . Configure the maximum number of open files to 1024 to limit Nginx resource overhead.
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)
- A . taskset -pc 1-2 12345
- B . taskset -p 6 12345
- C . numactl –cpubind = 0, 1 –membind = 0, 1P
- D . numactl –cpubind = 1, 2 –membind = 1
The system administrator A wants to use the vmstat command to view the active memory and inactive memory of EulerOS. Which of the following commands can achieve this purpose?
- A . vmstat -a
- B . vmstat -f
- C . vmstat -s
- D . vmstat -d
Process P (PID 12345) runs on a two-node NUMA system. In order to improve the efficiency of the process, engineer A decides to bind process P to the first NUMA node. Which of the following configuration can be bound?
- A . numactl Ccpubind=0 P
- B . taskset -p 1 12345
- C . numactl Ccpubind=1 P
- D . taskset –pc 0 12345