Huawei H13-211 問題集

質問 1：
Linux is a general term for a class of free-to-use and free-spread UNIX-like computer operating systems.
Which of the following is not an advantage of Linux.
A. Multiple users can own and use system resources, that is, each user has specific permissions on its own resources, without affecting each other
B. Linux has a rich set of free web server software, database and web development tools
C. The graphical interface makes it extremely easy to use compared to other systems, greatly reducing the user's learning cost
D. LINUX system is an open source system, which is relatively mature and has a complete set of authority mechanisms. High security and stability
正解：C

質問 2：
The following statement about HPC high-performance computing is wrong.
A. HPC stands for High Performance Computing, which refers to a single computer system that uses many processors or a computing system and environment that uses multiple computer clusters for computing purposes
B. The HPC computing cluster is mainly composed of computing servers, shared storage, high-speed interconnection equipment and supporting management software, platform software and application software
C. Early HPC was based on customized computers and was dedicated to specific fields such as basic scientific research and national defense strategy. With the development of technology, most HPCs are now built on the cluster architecture of X86 servers
D. HPC is a supercomputer, which uses computers to research, design products and support complex decisions
正解：D

質問 3：
Service clusters are highly scalable. With the increase in demand and load, which of the following methods can generally be used to increase cluster performance.
A. Increase the memory capacity of a single server in the cluster
B. Increase the networking bandwidth in the cluster
C. Cluster server added to the cluster system
D. Replace the hard disk of the single server in the cluster with a solid-state hard disk with a height of 10
正解：C

質問 4：
Hard disks can be divided into mechanical hard disks, solid state hard disks and hybrid hard disks according to storage media. The storage media of solid state hard disks is.
A. FLASH chip
B. magnetic head
C. integrated circuit
D. Disk
正解：A

質問 5：
RAID6 uses two-dimensional verification and supports horizontal verification or horizontal verification, so at least N+2 disks are required.
A. FALSE
B. TRUE
正解：B

質問 6：
In the following description of server cluster management features, the incorrect statement is.
A. Server clusters can be managed with WebUl
B. The cluster software for special application scenarios has an independent management interface and method
C. The independent server cluster is equivalent to a stand-alone system on the management level
D. System administrators can remotely manage a cluster or even a group of clusters as if they were in a stand-alone system
正解：A

質問 7：
Among the following chips, which solves the shortcomings of custom circuits and overcomes the limitation of the original programmable gates, which are the semi-custom chips?
A. CPU
B. ASIC
C. FPGA
D. GPU
正解：C

質問 8：
The following is Engineer A's understanding of LVS cluster, the correct one is.
A. LVS has three working modes: LVS Idiot LVSDR (direct routing), LVS-TUN (tunnel)
B. LVS cluster is mainly composed of three parts: load scheduler, server pool (sefvertboilke er), shared storage (shared storage)
C. LVS is a virtual server cluster, working at the seventh layer of the network system, using IP load balancing technology and content-based request distribution technology
D. The commonly used scheduling strategies of LVS are: round-robin scheduling, weighted round-robin scheduling, minimum number of connections, fast connection response priority, etc.
正解：A,B,D