Free Big Data & Hadoop Administrator Exam Practice Test

Attempt Big Data & Hadoop Admin practice test questions & test your skills. This free Hadoop admin exam material simulates the actual certification exam.

  • 50 Questions,
  • 60 Minutes
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Big Data and Hadoop Administrator

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Instructions:

1. This is a FREE test and can be attempted multiple times. But it is recommended to take the test when you are ready for best practice experience.

2. Test Duration: 60 Minutes

3. Number of questions: 50 Multiple Choice Questions

4. Each question has multiple options out of which one or more may be correct

5. You can pause the test in between and you are allowed to re-take the test later. Your test will resume from where you left, but the test time will be reduced by the amount of time you've taken in the previous attempt.

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1. What does HDFS stand for?
2. Which operating system do you need for Hadoop to run?
3. Please tell the name of hadoop master nodes
4. How many map task can you run on one task tracker at the same time?
5. What is IdentityMapper?
6. What is Hadoop data type for Integer?
7. How many minimum reduce jobs do you need to run a MapReduce job?
8. How many combiner classes do you need to have for two input files?
9. What is the language used for Hadoop development?
10. What is the default namenode server port number?
11. Which component of Hadoop supports web service?
12. What is input splitting?
13. Which is not the valid Hadoop data type?
14. What is a write ahead log file?
15. Which commands create ssh certificates?
16. What is the datanode control port number?
17. Which hadoop command does this - copy file from your computer's disk to hdfs file system?
18. What is the need of hadoop-site.xml?
19. What line should be put in /etc./sysctl.conf file for file descriptor size?
20. Which command can selectively stop hadoop job running in background?
21. What is NOSQL?
22. What does hadoop cat command do?
23. What was the Nutch project about?
24. How MapReduce improves throughput?
25. Combiner is a kind of :
26. What is the file extension of Hadoop binary downloaded file?
27. Which environment variable do you need to set to execute hadoop commands without folder prefix?
28. How can you define no. of reduce tasks during the run time?
29. When do you not need to define output key class in a MapReduce job?
30. Who locates TaskTracker nodes with available slots at or near the data?
31. Job tracker detects a task tracker alive by receiving signal known as :
32. Who detects when the job fails?
33. How does client know the job status from job tracker?
34. What does Task tracker create?
35. Which task does Task tracker receive from jobtracker?
36. How many datanode instance run on a single slave node?
37. What will happen if number of reducer is set to zero?
38. When to use combiner?
39. When client can directly interact with data node?
40. HDFS uses what kind of data replica storage policy?
41. What is the size of block in HDFS?
42. RPC stands for-
43. Which command changes the permission of a file?
44. Which command creates a zero length file?
45. What does the hadoop fs -stat command do?
46. What does hadoop lsr command do?
47. which one is not an input format?
48. What is the use of dfs.datanode.du.reserved?
49. What is the use of dfs.hosts.exclude?
50. How to do Junit of Map/Reduce job?
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  • PMP, PMI, PMBOK, CAPM, PgMP, PfMP, ACP, PBA, RMP, SP, and OPM3 are registered marks of the Project Management Institute, Inc.

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