Vendor: Cloudera
Exam Code: CCB-400
Exam Name: Cloudera Certified Specialist in Apache HBase
Certification: Cloudera Certifications
Total Questions: 45 Q&A
Updated on: Jun 13, 2026
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You need to create a "WebLogs" table in HBase. The table will consist of a single Column Family called "Errors" and two column qualifiers, "IP" and "URL". The shell command you should use to create the table is:
A. create'WebLogs',{NAME =>'Errors:IP', NAME =>'Errors:URL'}
B. create'WebLogs','Errors'{NAME =>'IP', NAME =>'URL'}
C. create'WebLogs','Errors:IP','Errors:URL'
D. create'WebLogs','Errors'
Your HBase cluster has hit a performance wall and doesn't seem to be getting faster as you add
RegionServers. Adding an additional HMaster will:
A. Have no effect on performance.
B. Improve the performance of region writes but decreasethe performance of metadata changes.
C. Improve the performance of metadata chancier, but decrease the performance of region writes.
D. Make theperformance problem even worse, as operations will have to be replicated to multiplemasters.
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?
A. Create two tables each with a single columnfamily
B. Create a single table with one column family
C. Create a single table with two column families
D. Create two tables each with multiple column families
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