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

Question : _____________ Serve data reads and writes of rows contained in Regions

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

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Question :

Which of the following Data Methods are exposed by HRegionRegionInterface


1. Get
2. Put
3. Access Mostly Uused Products by 50000+ Subscribers
4. next
5. All of the above


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Interface Methods exposed by HRegionRegionInterface

Data Methods
Get, put, delete, next, etc.

Region Methods
splitRegion, compactRegion, etc.




Question :

__________ will split a Region that has become too large

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

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Related Questions

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Question :

Which of the following operation is used to find single rowkey



1. Get
2. Find
3. Access Mostly Uused Products by 50000+ Subscribers
4. IsAvailable




Question :

HTables get method retrieves a Result object as below

Get g = new Get(Bytes.toBytes("rowkey"));
Result row = table.get(g);

Does this Result object holds all information about a row key ?


1. True
2. False




Question :

HTables get method retrieves a Result object as below

Get g = new Get(Bytes.toBytes("rowkey"));
Result row = table.get(g);

Select the correct statement from below


1. Column names known than use getValue or getFamilyMap to retrieve values
2. if not known use list or raw to iterate over the columns
3. Access Mostly Uused Products by 50000+ Subscribers
4. 1 and 3 are correct
5. 1 and 2 are correct





Question :

Select the correct statement for the Put operation

1. It is used to add a row to a table
2. It Takes the row key as a byte array
3. Access Mostly Uused Products by 50000+ Subscribers
4. Only 3 correct
5. All 1,2 and 3 are correct




Question :

While adding multiple data using Batch data into a single put, which of the following staement is wrong


1. Concurrent readers will not see partially written rows
2. Concurrent writers will not update the same row
3. Access Mostly Uused Products by 50000+ Subscribers
4. 1 and 2 are wrong
5. None of 1,2 and 3 is wrong






Question : Select the correct mapping

A setAutoFlush(boolean)
B flushCommits()

X. Buffers the put operations
Y. Executes all buffered operations
Z. Buffer is automatically flushed when it becomes full


1. X and Y applies to A
2. Y and Z applies to B
3. Access Mostly Uused Products by 50000+ Subscribers
4. X,Y and Z all applies to A
5. X,Y and Z all applies to B