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

Question : In HBase to lookup of a row by a single key?

1. True
2. False



Correct Answer : 1









Question : Hbase supports the transaction for single row ?

1. True
2. False



Correct Answer : 1





Question : Which are the supported method to access the data from HBase


1. get
2. put
3. scan
4. 1,2 and 3 are correct
5. It has to be accessed by Query only

Correct Answer : 4

Related Questions

---

Question :

Region Servers Runs several background threads for which of the following activity ?

1. CompactSplitThread checks for splits and handle minor compactions
2. MajorCompactionChecker checks for major compactions
3. Access Mostly Uused Products by 50000+ Subscribers
4. LogRoller periodically checks the RegionServers HLog
5. All of the above



Question : ________ Holds a subset of a tables rows e.g. partition



1. Regions
2. HMaster
3. Access Mostly Uused Products by 50000+ Subscribers
4. ZooKeeper


Question : Select the correct descrption for the regions


1. Holds a subset of a table's rows, like a partition
2. A table may have one or more Regions
3. Access Mostly Uused Products by 50000+ Subscribers
4. New Regions are automatically created as tables grow
5. All of the above


Question : _____________ Automatically moves regions around to balance cluster load


1. Regions
2. HMaster
3. Access Mostly Uused Products by 50000+ Subscribers
4. ZooKeeper
5. Load Balancer



Question : Data is distributed across Regions based on _______________

1. Column Family
2. Regions
3. Access Mostly Uused Products by 50000+ Subscribers
4. Load


Question : select the correct statement

1. Region Size basic element of availability and distribution
2. High Region count (e.g., more than 3000) can impact performance
3. Access Mostly Uused Products by 50000+ Subscribers
4. 1 ,2 and 3 are not correct
5. All 1,2 and 3 are correct