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Cloudera CCA-410 Exam Syllabus Topics:

Cloudera Certified Administrator for Apache Hadoop CDH4 Sample Questions:

1. Identify four characteristics of a 300MB file that has been written to HDFS with block size of 128MB and all other Hadoop defaults unchanged?

A) Each block will be replicated nine times
B) All three blocks will be 128MB
C) The file will consume 1152MB of space in the cluster
D) Each block will be replicated three times
E) Two of the initial blocks will be 128MB
F) The third Initial block will be 44 MB
G) The file will be split into three blocks when initially written into the cluster
H) The third block will be 64MB

2. Which two daemons must be installed on master nodes in hadoop cluster running mapreduce V1 (MRV1)?

A) Zookeeper
B) Hmaster
C) ApplicationMaster
D) Namenode
E) Tasktracker
F) Resourcemanager
G) Datanode

3. Which daemons instantiates JVM's to perform mapreduce processing in a cluster running mapreduce v1 (MRv1)?

A) Nodemanager
B) applicationmanager
C) Applicationmaster
D) Namenode
E) Jobtracker
F) Tasktracker
G) Resourcemanager
H) Datanode

4. Your cluster implements hdfs high availability (HA) your two namenodes are named hadoop01 and hadoop02. What occurs when you execute the command:
Sudo -u hdfs haadmin -failover hadoop01 hadoop02

A) Hadoop02 becomes the standby namenode and hadoop01 becomes the active namenode
B) Hadoop01 becomes inactive and hadoop02 becomes the active namenode
C) Hadoop02 is fenced, and hadoop01 becomes active namenode
D) Hadoop01 is fenced, and hadoop02 becomes the active namenode

5. You configure your hadoop development cluster with both mapreduce frameworks, mapreduceV1 (MRv1) and mapreduce v2 (MRv2/YARN). You plan to run only one set of mapreduce daemons at a time in this development environment (running both simultaneously results in an unsuitable cluster but configure in both moving between them is fine). Which two mapreduce (capitation) daemons do you need to configure to run on your masternodes?

A) Nodemanager
B) Journalnode
C) Applicationmaster
D) Containermanager
E) Jobtracker
F) Resourcemanager

Solutions: