Cloudera HBase Certification Questions and Answers (Dumps and Practice Questions)

Question : Rows from the HBase can directly be inserted as input to Mapreduce job


1. True
2. False


Correct Answer : 1







Question : In which of the following scenerio we should use HBase

1. If it require random read, write or both
2. If it requires to do many thousands of operations per second on multiple TB of data
3. If access pattern is well known and simple
4. All of the above



Correct Answer : 4








Question : In which scenerio HBase should not be used


1. You only append to your dataset, and tend to read the whole thing
2. For ad-hoc analytics
3. If data volume is quite small
4. All of the above
5. None of the above


Correct Answer : 4

Related Questions

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Question : When Regions get too big (MB) they are automatically split

1. True
2. False



Question : Select the correct statement for Region Split , where RegionServer handles the region splits

1. Adds daughter regions to .META
2. It Offlines the original region
3. Access Mostly Uused Products by 50000+ Subscribers
4. Daughter regions reference the original regions until compaction
5. All of the above



Question : A __________ hosts a MemStore and or more StoreFiles (HFiles)

1. Region
2. Region Store
3. Access Mostly Uused Products by 50000+ Subscribers


Question : MemStore can...

1. Holds in-memory modifications to the Store
2. Flush writes to disk and clears the MemStore
3. Access Mostly Uused Products by 50000+ Subscribers
4. Both 1 and 3 are wrong


Question : Which is the actual data storage


1. Region Store
2. MemStore
3. Access Mostly Uused Products by 50000+ Subscribers
4. .dat file


Question : Store corresponds to a column family for a table for a given region


1. true
2. false