Which of the following types of data is not semi-structured data?

• A.XML
• B.JSON
• C.HTML
• D.Two-dimensional table

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Which of the following measures are to ensure data integrity? (Multiple choice)

• A.Cluster data balance
• B.Safe Mode
• C.Metadata reliability guarantee
• D.Rebuild the copy data of the failed data disk

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Which of the following descriptions about the deployment of big data components on Kunpeng and X86 servers is correct?

• A.Single component (for example: HDFS) supports mixed deployment of Kunpeng server and X86 server
• B.No shortcomings in performance
• C.Realize the autonomous control of some equipment
• D.Supports mixed deployment of Kunpeng servers and ordinary X86 servers in a single cluster

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Fusionlnsight HD cluster upgrade, which of the following descriptions are correct?

• A.During the upgrade process, you cannot manually perform the active/standby OMS switchover.
• B.The root account password of all hosts in the cluster must be the same
• C.Keep the network unblocked. Avoid abnormal upgrades due to network problems
• D.No expansion can be done during the observation period

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Regarding the warning of insufficient disk capacity in Kafka, which of the following analysis is incorrect for possible reasons?

• A.The data storage time configuration is too long, and the data accumulation reaches the upper limit of the disk usage rate
• B.The disk configuration used to store Kafka data (such as the number of disks, size, etc.) cannot meet the current business data flow announcement, resulting in the disk usage reaching the upper limit
• C.Unreasonable business planning, resulting in uneven data distribution, causing some disks to reach the upper limit of utilization
• D.Broker node failure caused

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