Q.1
__________ is a REST API for HCatalog.
  • a) WebHCat
  • b) WbHCat
  • c) InpHCat
  • d) None of the mentioned
Q.2
Point out the correct statement.
  • a) There is no guaranteed read consistency when a partition is dropped
  • b) Unpartitioned tables effectively have one default partition that must be created at table creation time
  • c) Once a partition is created, records cannot be added to it, removed from it, or updated in it
  • d) All of the mentioned
Q.3
With HCatalog _________ does not need to modify the table structure.
  • a) Partition
  • b) Columns
  • c) Robert
  • d) All of the mentioned
Q.4
Sally in data processing uses __________ to cleanse and prepare the data.
  • a) Pig
  • b) Hive
  • c) HCatalog
  • d) Impala
Q.5
Point out the wrong statement.
  • a) The original name of WebHCat was Templeton
  • b) Robert in client management uses Hive to analyze his clients’ results
  • c) With HCatalog, HCatalog cannot send a JMS message that data is available
  • d) All of the mentioned
Q.6
For ___________ partitioning jobs, simply specifying a custom directory is not good enough.
  • a) static
  • b) semi cluster
  • c) dynamic
  • d) all of the mentioned
Q.7
___________ property allows us to specify a custom dir location pattern for all the writes, and will interpolate each variable.
  • a) hcat.dynamic.partitioning.custom.pattern
  • b) hcat.append.limit
  • c) hcat.pig.storer.external.location
  • d) hcatalog.hive.client.cache.expiry.time
Q.8
HCatalog maintains a cache of _________ to talk to the metastore.
  • a) HiveServer
  • b) HiveClients
  • c) HCatClients
  • d) All of the mentioned
Q.9
On the write side, it is expected that the user pass in valid _________ with data correctly.
  • a) HRecords
  • b) HCatRecos
  • c) HCatRecords
  • d) None of the mentioned
Q.10
A float parameter, defaults to 0.0001f, which means we can deal with 1 error every __________ rows.
  • a) 1000
  • b) 10000
  • c) 1 million rows
  • d) None of the mentioned
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