최신Hortonworks Data Platform Certified Developer - HDPCD무료샘플문제

A. The JobTracker calls the TaskTracker's configure () method, then its map () method and finally its close () method.

B. The TaskTracker spawns a new Mapper to process all records in a single input split.

C. The JobTracker spawns a new Mapper to process all records in a single file.

D. The TaskTracker spawns a new Mapper to process each key-value pair.

A. The files in the mydata folder are copied into Hive's underlying relational database

B. The files in the mydata folder do not move from their current location In HDFS

C. The files in the mydata folder are moved to a subfolder of /apps/hive/wa re house

D. The files in the mydata folder are copied to a subfolder of /apps/hlve/warehouse

A. The NodeManager creates an instance of the ApplicationMaster

B. The NodeManager requests resources from the ApplicationMaster

C. The ApplicationMaster starts the NodeManager outside of a Container

D. The ApplicationMaster starts the NodeManager in a Container

A. org.apache.hcatalog.pig.HCatOutputFormat

B. org.apache.hcatalog.pig.HCatStorer

C. No special class is needed for a Pig script to store data in an HCatalog table

D. Pig scripts cannot use an HCatalog table

A. Be a subclass of FileInputFormat.

B. Override isSplitable.

C. Implement a splittable compression algorithm.

D. Implement WritableComparable.

E. Implement a comparator for speedy sorting.

A. The $1 variable represents the first column of data in 'my.log'

B. The grouped relation is not valid

C. The severe relation is not valid

D. The $1 variable represents the second column of data in 'my.log'

A. Hive

B. Oozie

C. Hue

D. Sqoop

E. HBase

F. Pig

G. Flume

A. myfile is read from the user's home directory in HDFS

B. Pig assumes the contents of myfile are comma delimited

C. ABC has a schema associated with it

D. The contents of myfile appear on stdout

A. A single namespace

B. Two namespaces: an active namespace and a backup namespace

C. An arbitrary number of namespaces

D. No namespaces

A. Unordered collection of tuples, ordered set of fields, set of key value pairs

B. Ordered collection of maps, ordered collection of bags, and unordered set of key/value pairs

C. Unordered collection of maps, ordered collection of tuples, ordered set of key/value pairs

D. Ordered set of fields, ordered collection of tuples, ordered collection of maps