Basic Hadoop Online Exam Quiz
Basic Hadoop GK Quiz. Question and Answers related to Basic Hadoop. MCQ (Multiple Choice Questions with answers about Basic Hadoop
A float parameter, defaults to 0.0001f, which means we can deal with 1 error every __________ rows.
Options
A : 1000
B : 10000
C : 1 million rows
D : None of the mentioned
___________ property allows us to specify a custom dir location pattern for all the writes, and will interpolate each variable.
Options
A : hcat.dynamic.partitioning.custom.pattern
B : hcat.append.limit
C : hcat.pig.storer.external.location
D : hcatalog.hive.client.cache.expiry.time
HCatalog maintains a cache of _________ to talk to the metastore.
Options
A : HiveServer
B : HiveClients
C : HCatClients
D : All of the mentioned
On the write side, it is expected that the user pass in valid _________ with data correctly.
Options
A : HRecords
B : HCatRecos
C : HCatRecords
D : None of the mentioned
With HCatalog _________ does not need to modify the table structure.
Options
A : Partition
B : Columns
C : Robert
D : All of the mentioned
Sally in data processing uses __________ to cleanse and prepare the data.
Options
A : Pig
B : Hive
C : HCatalog
D : Impala
For ___________ partitioning jobs, simply specifying a custom directory is not good enough.
Options
A : static
B : semi cluster
C : dynamic
D : all of the mentioned
__________ is a REST API for HCatalog.
Options
A : WebHCat
B : WbHCat
C : InpHCat
D : None of the mentioned
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