Which of the following statements about Kafka Partition are correct? (Multiple choice)

• A.The Partition mechanism is introduced to ensure the high throughput of Kafka
• B.The number of Partitions determines the maximum number of concurrent consumers in each consumer group
• C.Each Partition corresponds to a log file at the storage level
• D.Each Partition is an ordered and immutable message queue

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HBase pass( )Quickly determine that user data does not exist.

• A.Bloom Filter

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Which of the following descriptions about Hive features is incorrect?

• A.Flexible and convenient ETL
• B.Only supports MapReduce computing engine
• C.Easy to use and easy to program
• D.Direct access to HDFS files and HBase

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One of the goals of the data middle-office technical architecture is to solve the drawbacks that traditional data warehouses are easy to become data islands and big data platforms are easy to become data swamps.

• A.True
• B.False

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The following pairin LdapSarver groupweaving modelWhich statement is correct?

• A.Each node in the Ldap Server directory tree is called an entry, and I have its own uniquely distinguishable name? ?(Plantnad? ?)
• B.Ldap Server directory information is organized and stored based on a tree structure.
• C.Specific objects cannot be defined under organizational units.
• D.The root of the Ldap Server directory tree generally defines the domain name the C?cin Compnitment

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