Q. HDFS supports the ____________ command to fetch Delegation Token and store it in a file on the local system.

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Q. In ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.

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Q. _________ command is used to copy file or directories recursively.

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Q. __________ mode is a Namenode state in which it does not accept changes to the name space.

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Q. __________ command is used to interact and view Job Queue information in HDFS.

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Q. Which of the following command runs the HDFS secondary namenode?

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Q. Which of the following is used for the MapReduce job Tracker node?

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Q. Which of the following is a common hadoop maintenance issue?

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Q. ___________ mode allows you to suppress alerts for a host, service, role, or even the entire cluster.

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Q. Which of the following is a configuration management system?

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Q. Which of the following is a common reason to restart hadoop process?

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Q. __________ Manager’s Service feature monitors dozens of service health and performance metrics about the services and role instances running on your cluster.

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Q. Which of the tab shows all the role instances that have been instantiated for this service?

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Q. __________ is a standard Java API for monitoring and managing applications.

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Q. NameNode is monitored and upgraded in a __________ transition.

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Q. Point out the correct statement.

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Q. Point out the wrong statement.

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Q. Point out the correct statement.

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Q. Point out the correct statement.

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Q. Point out the wrong statement.

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