The namenode knows that the data node is active using a mechanism known as

Related MCQs

• The namenode knows that the data node is active using a mechanism known as
• When a client contacts the namenode for accessing a file, the namenode responds with
• NameNode and DataNode do communicate using
• If the IP address or hostname of a data node changes
• If the IP address or hostname of a data node changes
• Which of the following is a key mechanism for protecting data?
• The Data-Intensive Scalable Computing(DISC) utilizes a                  data-center clusters to gather and maintain data.
• The Data-Intensive Scalable Computing(DISC) utilizes a data-center clusters to gather and maintain data.
• The Data-Intensive Scalable Computing(DISC) utilizes a ________ data-center clusters to gather and maintain data.
• Which among the following command is used to copy a directory from one node to another in HDFS?