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Required Skills for CCA131 : Cloudera Hadoop Admin Certification:
Install : Demonstrate an understanding of the installation process for Cloudera Manager, CDH, and the ecosystem projects.
Set up a local CDH repository
Perform OS-level configuration for Hadoop installation
Install Cloudera Manager server and agents
Install CDH using Cloudera Manager
Add a new node to an existing cluster
Add a service using Cloudera Manager
Configure : Perform basic and advanced configuration needed to effectively administer a Hadoop cluster
Configure a service using Cloudera Manager
Create an HDFS user's home directory
Configure NameNode HA
Configure ResourceManager HA
Configure proxy for Hiveserver2/Impala
Manage : Maintain and modify the cluster to support day-to-day operations in the enterprise
Rebalance the cluster
Set up alerting for excessive disk fill
Define and install a rack topology script
Install new type of I/O compression library in cluster
Revise YARN resource assignment based on user feedback
Commission/decommission a node
Secure : Enable relevant services and configure the cluster to meet goals defined by security policy; demonstrate knowledge of basic security practices
Configure HDFS ACLs
Install and configure Sentry
Configure Hue user authorization and authentication
Enable/configure log and query redaction
Create encrypted zones in HDFS
Test : Benchmark the cluster operational metrics, test system configuration for operation and efficiency
Execute file system commands via HTTPFS
Efficiently copy data within a cluster/between clusters
Create/restore a snapshot of an HDFS directory
Get/set ACLs for a file or directory structure
Benchmark the cluster (I/O, CPU, network)
Troubleshoot : Demonstrate ability to find the root cause of a problem, optimize inefficient execution, and resolve resource contention scenarios
Resolve errors/warnings in Cloudera Manager
Resolve performance problems/errors in cluster operation
Determine reason for application failure
Configure the Fair Scheduler to resolve application delays