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Q 1 - In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine
Q 1 - In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? A - It is lost for eve B - It can be replicated form its alternative locations to other live machines. C-The namenode allows new client request to keep trying to read it. D The Mapreduce job process runs ignoring the block and the data stored in it. Show Answer Q 2 - When a client communicates with the HDFS file system, it needs to communicate with A - only the namenode B - only the data node C both the namenode and datanode D - None of these
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