CLOUDERA CERTIFIED ADMINISTRATOR FOR
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
Your Hadoop cluster has 25 nodes with a total of 100 TB (4 TB per
node) of raw disk space allocated HDFS storage. Assuming Hadoop's
default configuration, how much data will you be able to store?
A) Approximately 10TB
B) Approximately 33 TB
C) Approximately 25TB
D) Approximately 100TB - CORRECT ANSWERS
The most important consideration for slave nodes in a Hadoop
cluster running production jobs that require short turnaround times
is:
A) The ratio between the amount of memory and the total storage
capacity
B) The ratio between the number of processor cores and number of
disk drives
C) The ratio between the number of processor cores and total
storage capacity
D) The ratio between the number of processor cores and the amount
of memory
E) The ratio between the amount of memory and the number of disk
drives - CORRECT ANSWERS
,CLOUDERA CERTIFIED ADMINISTRATOR FOR
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
Which three distcp features can you utilize on a Hadoop cluster?
A) Use distcp to copy data between directories inside the same
cluster
B) Use distcp to copy HBase table files
C) Use distcp to run an internal MapReduce job to copy files
D) Use distcp to copy physical blocks from the source to the target
destination in your cluster
E) Use distcp to copy files only between two clusters or more. You
cannot use distcp to copy data between directories inside the same
cluster - CORRECT ANSWERS
You have a cluster running 32 slave nodes and 3 master nodes
running mapreduce V1 (MRv1).
You execute the command: $ hadoop fsck /
What four cluster conditions running this command will return to
you?
, CLOUDERA CERTIFIED ADMINISTRATOR FOR
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
A) Blocks replicated improperly or that don't satisfy your cluster
enhancement policy (e.g., too many blocks replicated on the same
node)
B) Under-replicated blocks
C) The current state of the file system returned from scanning
individual blocks on each datanode
D) Number of datanodes
E) Number of dead datanodes
F) Configure capacity of your cluster
The current state of the file system according to the namenode
The location for every block - CORRECT ANSWERS
Your Hadoop cluster contains nodes in three racks. You have not
configured the dfs.hosts property in the NameNode's configuration
file. What happens?
A) The NameNode will update the dfs.hosts property to include
machines running the DataNode daemon on the next NameNode
reboot or with the command dfsadmin -refreshNodes
B) No new nodes can be added to the cluster until you specify them
in the dfs.hosts file
C) Any machine running the DataNode daemon can immediately join
the cluster
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
Your Hadoop cluster has 25 nodes with a total of 100 TB (4 TB per
node) of raw disk space allocated HDFS storage. Assuming Hadoop's
default configuration, how much data will you be able to store?
A) Approximately 10TB
B) Approximately 33 TB
C) Approximately 25TB
D) Approximately 100TB - CORRECT ANSWERS
The most important consideration for slave nodes in a Hadoop
cluster running production jobs that require short turnaround times
is:
A) The ratio between the amount of memory and the total storage
capacity
B) The ratio between the number of processor cores and number of
disk drives
C) The ratio between the number of processor cores and total
storage capacity
D) The ratio between the number of processor cores and the amount
of memory
E) The ratio between the amount of memory and the number of disk
drives - CORRECT ANSWERS
,CLOUDERA CERTIFIED ADMINISTRATOR FOR
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
Which three distcp features can you utilize on a Hadoop cluster?
A) Use distcp to copy data between directories inside the same
cluster
B) Use distcp to copy HBase table files
C) Use distcp to run an internal MapReduce job to copy files
D) Use distcp to copy physical blocks from the source to the target
destination in your cluster
E) Use distcp to copy files only between two clusters or more. You
cannot use distcp to copy data between directories inside the same
cluster - CORRECT ANSWERS
You have a cluster running 32 slave nodes and 3 master nodes
running mapreduce V1 (MRv1).
You execute the command: $ hadoop fsck /
What four cluster conditions running this command will return to
you?
, CLOUDERA CERTIFIED ADMINISTRATOR FOR
APACHE HADOOP EXAM QUESTIONS AND
ANSWERS UPDATED 2024/2025 A COMPLETE
SOLUTION ALL ANSWERS CORRECT DETAILED
BEST GRADED A+ FOR SUCCESS
A) Blocks replicated improperly or that don't satisfy your cluster
enhancement policy (e.g., too many blocks replicated on the same
node)
B) Under-replicated blocks
C) The current state of the file system returned from scanning
individual blocks on each datanode
D) Number of datanodes
E) Number of dead datanodes
F) Configure capacity of your cluster
The current state of the file system according to the namenode
The location for every block - CORRECT ANSWERS
Your Hadoop cluster contains nodes in three racks. You have not
configured the dfs.hosts property in the NameNode's configuration
file. What happens?
A) The NameNode will update the dfs.hosts property to include
machines running the DataNode daemon on the next NameNode
reboot or with the command dfsadmin -refreshNodes
B) No new nodes can be added to the cluster until you specify them
in the dfs.hosts file
C) Any machine running the DataNode daemon can immediately join
the cluster
