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.

• A.False
• B.True

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Elasticsearch is a Lucene- based search engine, which provides a distributed, multi-tenant full-text search engine. Which tuning method can be used when deploying Elasticsearch using TaiShan server? (Multiple choice)

• A.Balanced memory insertion method
• B.Close the transparent huge page
• C.Turn off the use of swap memory
• D.Turn on irbalance

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Which of the following understanding of the LVS-Tomcat cluster model is correct? (Multiple choice)

• A.LVS-DT: DirectRouting, manipulate new MAC addresses.
• B.LYS-TUN: IP Tunneling, in the original request IP packets to add a new IP header.
• C.LVS-NAT: Network Address NetworkAddressTranslation, modify the request packet destination IP
• D.Like this kind of load balancing and scheduling technology implemented in the Linux kernel, we call it Linux Virtual Server (LVS)

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Huawei has achieved high-performance network acceleration through its self-developed network control chip. Which of the following are correct about the understanding of this network control chip? (Multiple choice)

• A.Through self-developed programmable network engine, Huawei Unique Networking smart network card can accelerate business in cloud network, cloud storage and other scenarios, while optimizing the utilization of infrastructure
• B.Huawei IN series adopts standard card form, which is convenient for the deployment and operation and maintenance of various servers.
• C.Huawei IN series smart network card can support 2*100G/4*25G network card interface, and support PCIe Gen3 X16 system interface.

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Which of the following is correct about engineer A's understanding of LVS cluster? (Multiple choice)

• A.LVS cluster mainly consists of three parts: load scheduler, server pool/Real server, and shared storage.
• B.LVS is a virtual server cluster, working on the seventh layer of the network system, using IP load balancing technology and the fourth layer based on content request distribution technology.
• C.LVS has three working modes: LVS-NAT (address translation), LVS-DR (direct routing), LVS-TUN (tunnel)
• D.The commonly used scheduling strategies of LVS include round-robin scheduling, weighted round-robin scheduling, minimum number of connections, priority for quick response, etc.

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