Which of the following is not a core element of KrbServer?

• A.Kerberos KDC Client
• B.Kerberos KDC Server
• C.KDC (Key Distribution Center)
• D.Kerberos Client

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When Fusioninsight Manager is connected to an external management platform, which of the following interfaces does it support? (Multiple choice)

• A.SNMP
• B.Syslog
• C.VPN
• D.FTP

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A user information table meg_table is saved in the HBase of Fusioninsight HD, Rowkey is the user id, and one of the columns is the user nickname. Now write three KeyValues in this column in order: 001:Li, 001:Mary, 001:Lily , May I ask scan' meg_table', (VERSION=>2) which data will be returned?

• A.001: Mary, 001: Lily
• B.001: Lily
• C.001: Li, 001: Mary, 00l: Lily
• D.001: Li

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Which of the following conversion rules can be implemented by Loader

• A.splice conversion
• B.Null conversion
• C.Incremental conversion
• D.long time conversion

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DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and RDD is no longer used.

• A.TRUE
• B.FALSE

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