CCA-410, Cloudera Certified Administrator for Apache Hadoop (CCAH)
certification exam is completed by solving six numbers of questions; the
questions are taken for determining the Cloudera technicalities. The exam
practicing is done easily as there is smartphone application for the applicants
to study whenever they want. For this exam, a free demo of practice test is also
available.
CCA-410, Cloudera Certified Administrator for Apache Hadoop (CCAH)
exam validates the exam takers on various sections which have been stated here
as under:
The first section is HDFS that cover seventeen percent in
the exam which includes the function of HDFS Daemons, the normal operation of
an Apache current features of computing systems that motivate a system like
Apache Hadoop, Classify major goals of HDFS Design, identify appropriate use
case for HDFS Federation, components and daemon of an HDFS HA-Quorum cluster,
the role of HDFS security, best data serialization choice, file read and write
path and commands to manipulate files in the Hadoop File System Shell.
The second section of CCA-410, Cloudera Certified Administrator
for Apache Hadoop (CCAH) is YARN and MapReduce version 2 that covers
seventeen percent in which the applicants learn about upgrading a cluster from
Hadoop 1 to Hadoop 2 affects cluster settings, to deploy MapReduce v2 all YARN
daemons, basic design strategy for MapReduce v2, how YARN handles resource
allocations, the workflow of MapReduce job running on YARN and to migrate a
cluster from MapReduce on YARN.
The third section in the CCA-410, Cloudera
Certified Administrator for Apache Hadoop (CCAH) exam is called Hadoop
Cluster Planning that covers sixteen percent in the exam in which applicants
learn about the hardware and operating systems to host an Apache Hadoop
cluster, the choices in selecting an OS, Understand kernel tuning and disk
swapping, identify a hardware configuration appropriate to the scenario, the
ecosystem components your cluster needs to run in order to fulfill the SLA,
frequency of execution, identify the specifics for the workload, including CPU,
memory, storage, disk I/O, Configuration such as JBOD versus RAID, SANs,
virtualization, and disk sizing requirements in a cluster, understand network
usage in Hadoop and propose or identify key network design components.
The CCA-410, Cloudera Certified Administrator for Apache Hadoop (CCAH) fourth
section covers Hadoop Cluster Installation and Administration that covers
twenty five percent in the exam which includes the learning of the cluster will
handle disk and machine failures, logging configuration and logging
configuration file format. The fifth section is Resource Management which
covers ten percent that includes the CCA-410,
Cloudera Certified Administrator for Apache Hadoop (CCAH) certification
exam knowledge of the overall design goals of each of Hadoop schedulers, how
the FIFO Scheduler allocates cluster resources, the Fair Scheduler allocates
cluster resources under YARN and the Capacity Scheduler allocates cluster
resources.
The sixth section in the CCA-410, Cloudera Certified Administrator
for Apache Hadoop (CCAH) exam is for Monitoring and Logging that covers
fifteen percent in the exam which includes the functions and features of
Hadoop’s metric collection abilities, the NameNode and JobTracker Web UI, to
monitor cluster Daemons, monitor CPU usage on master nodes, to monitor swap and
memory allocation on all nodes, to view and manage Hadoop’s log files and
Interpret a log file.

Hiç yorum yok:
Yorum Gönder