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Cloudera CCB-400 Exam Questions
- Topic 1: HBase API and doing Scan operations with both Java and Python
- Topic 2: HBase alongside other tools
- Topic 3: design optimal schemas
- Topic 4: and identify
- Topic 5: HBase course
- Topic 6: providing an overview of accessing data.
Free Cloudera CCB-400 Exam Actual Questions
Note: Premium Questions for CCB-400 were last updated On 22-04-2019 (see below)
You have two tables in an existing RDBMS. One table contains order information (item, quantity, price, etc.) and the other contains store information (address, phone, manager, etc). These two tables are not often accessed simultaneously. You would like to move this data into HBase. How would you design the schema?
Which of the following configuration values determines automated splitting?
http://hbase.apache.org/book/important_configurations.html (2.8.2.6. Bigger regions, see the code in the last sentence)
From within an HBase application, you want to retrieve two versions of a row, if they exist. Where your application should configure the maximum number of versions to be retrieved?
http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/HColumnDescriptor.html (search for maxversions)
Your client application connects to HBase for the first time to perform a write. Which of the following sequences will it traverse to find the region serving the row range of interest?
You have a "Users" table in HBase and you would like to insert a row that consists of a UserID, "jsmith70" and an email address, "jane@example.com". The table has a single Column Family named "Meta" and the row key will be the user's ID. The shell command you should use to complete this is:
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