a) safemode b) securemode c) servicemode d) none of the mentioned Answer: b Explanation: The HDFS service ...
View Question__________ is a standard Java API for monitoring and managing applications.
a) JVX b) JVM c) JMX d) None of the mentioned Answer: c Explanation: Hadoop includes several ...
View QuestionWhich 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: c Explanation: The Instances page displays the results of the ...
View Question__________ 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: b Explanation: Manager’s Service feature ...
View QuestionWhich 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: ...
View QuestionPoint out the wrong statement.
a) If you set the HBase service into maintenance mode, then its roles (HBase Master and all Region ...
View QuestionWhich of the following is a configuration management system?
a) Alex b) Puppet c) Acem d) None of the mentioned Answer: b Explanation: Administrators may use ...
View Question___________ mode allows you to suppress alerts for a host, service, role, or even the entire cluster.
a) Safe b) Maintenance c) Secure d) All of the mentioned Answer: b Explanation: Maintenance mode can ...
View QuestionPoint out the correct statement.
a) RAID is turned off by default b) Hadoop is designed to be a highly redundant distributed system
View QuestionWhich 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 ...
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