Which two updates occur when a client application opens a stream to begin a file write on a cluster
running MapReduce v1 (MRv1)?

For a MapReduce job, on a cluster running MapReduce v1 (MRv1), what’s the relationship
between tasks and task templates?

How does the NameNode know DataNodes are available on a cluster running MapReduce v1
(MRv1)

What action occurs automatically on a cluster when a DataNode is marked as dead?

What two processes must you do if you are running a Hadoop cluster with a single NameNode
and six DataNodes, and you want to change a configuration parameter so that it affects all six
DataNodes.

Choose which best describe a Hadoop cluster’s block size storage parameters once you set the
HDFS default block size to 64MB?

How does HDFS Federation help HDFS Scale horizontally?

Which three distcp features can you utilize on a Hadoop cluster?

You install Cloudera Manager on a cluster where each host has 1 GB of RAM. All of the services
show their status as concerning. However, all jobs submitted complete without an error.
Why is Cloudera Manager showing the concerning status KM the services?

Identify the function performed by the Secondary NameNode daemon on a cluster configured to
run with a single NameNode.