31. NameNode is monitored and upgraded in a . . . . . . . . transition. A. safemode B. securemode C. servicemode D. none of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
32. Which of the following is a common hadoop maintenance issue? A. Lack of tools B. Lack of configuration management C. Lack of web interface D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
33. . . . . . . . . command is used to interact and view Job Queue information in HDFS. A. queue B. priority C. dist D. all of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
34. Which of the following is a common reason to restart hadoop process? A. Upgrade Hadoop B. React to incidents C. Remove worker nodes D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
35. Which of the tab shows all the role instances that have been instantiated for this service? A. Service B. Status C. Instance D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
36. . . . . . . . . mode is a Namenode state in which it does not accept changes to the name space. A. Recover B. Safe C. Rollback D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
37. Point out the correct statement. A. RAID is turned off by default B. Hadoop is designed to be a highly redundant distributed system C. Hadoop has a networked configuration system D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
38. . . . . . . . . is a standard Java API for monitoring and managing applications. A. JVX B. JVM C. JMX D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
39. . . . . . . . . Manager's Service feature monitors dozens of service health and performance metrics about the services and role instances running on your cluster. A. Microsoft B. Cloudera C. Amazon D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
40. Which of the following is a configuration management system? A. Alex B. Puppet C. Acem D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
