Advanced MapReduce Concepts MCQ question and answer with solution | Hadoop MCQs

A. Hadoop works better with a small number of large files than a large number of small files

B. CombineFileInputFormat is designed to work well with small files

C. CombineFileInputFormat does not compromise the speed at which it can process the input in a typical MapReduce job

D. None of the mentioned

A. TaskController

B. LinuxTaskController

C. LinuxController

D. None of the mentioned

A. NodeManager

B. ResourceManager

C. ApplicationMaster

D. All of the mentioned

A. FileTextFormat

B. FileInputFormat

C. FileOutputFormat

D. None of the mentioned

A. YARN also extends the power of Hadoop to incumbent and new technologies found within the data center

B. YARN is the central point of investment for Hortonworks within the Apache community

C. YARN enhances a Hadoop compute cluster in many ways

D. All of the mentioned

A. Configuration parameters may be declared static

B. Unless explicitly turned off, Hadoop by default specifies two resources

C. Configuration class provides access to configuration parameters

D. None of the mentioned

A. addDeprecations adds a set of deprecated keys to the global deprecations

B. configuration parameters cannot be declared final

C. addDeprecations method is lockless

D. none of the mentioned

A. Hot

B. Lazy_Persist

C. One_SSD

D. All_SSD

A. Config

B. Configuration

C. OutputConfig

D. None of the mentioned

A. TextOutputFormat

B. TextInputFormat

C. OutputInputFormat

D. InputFormat