Hadoop interview questions part 19
Hadoop interview questions part 19
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Total Questions: 20
1. A __________ in a social graph is a group of people who interact frequently with each other and less frequently with others.
Correct Answer is : semi-cluster
2. Which of the following apache project is gaining a lot of traction steadily with the efforts of its committers ?
Correct Answer is : Hama
3. Hama is a general ________________ computing engine on top of Hadoop.
Correct Answer is : BSP
4. Point out the correct statement :
Correct Answer is : All of the mentioned
5. Hama was inspired by Google’s _________ large-scale graph computing framework.
Correct Answer is : Pregel
6. Hama requires JRE _______ or higher and ssh to be set up between nodes in the cluster.
Correct Answer is : 1.6
7. Point out the wrong statement :
Correct Answer is : All of the mentioned
8. Hama consist of mainly ________ components for large scale processing of graphs.
Correct Answer is : three
9. ________ is responsible for maintaining groom server status.
Correct Answer is : BSPMaster
10. A __________ server and a data node should be run on one physical node.
Correct Answer is : groom
11. A ________ is used to manage the efficient barrier synchronization of the BSPPeers.
Correct Answer is : Zookeeper
12. Groom servers starts up with a ________ instance and a RPC proxy to contact the bsp master.
Correct Answer is : BSPPeer
13. __________ is a REST API for HCatalog.
Correct Answer is : WebHCat
14. Point out the correct statement :
Correct Answer is : All of the mentioned
15. With HCatalog, _________ does not need to modify the table structure.
Correct Answer is : Robert
16. Sally in data processing uses __________ to cleanse and prepare the data.
Correct Answer is : Pig
17. Point out the wrong statement :
Correct Answer is : With HCatalog, HCatalog cannot send a JMS message that data is available
18. For ___________ partitioning jobs, simply specifying a custom directory is not good enough.
Correct Answer is : dynamic
19. ___________ property allows us to specify a custom dir location pattern for all the writes, and will interpolate each variable.
Correct Answer is : hcat.dynamic.partitioning.custom.pattern
20. HCatalog maintains a cache of _________ to talk to the metastore.
Correct Answer is : HiveClients
