The Red Hat Certified Specialist in High Availability Clustering exam (EX436) is a performance-based test used to assess the skills and knowledge needed to implement high-availability services on Red Hat Enterprise Linux using the Red Hat Enterprise Linux High Availability Add-on. This exam is based on the Pacemaker component of the Red Hat Enterprise Linux High-Availability Add-On, Version 4.2.
Understand that real-world system administration experience is also an important aspect of preparation for the exam.
Review exam objectives for the Red Hat Certified Specialist in High Availability Clustering exam.
To help you prepare, review the exam objectives which highlights the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance.
Candidates should be able to perform the tasks listed below:
Configure a high-availability cluster
Install high availability clustering
Install and configure a high availability cluster either manually or using Ansible
Configure cluster quorum options
Configure cluster fencing
Configure standard fence mechanisms such as fence_ipmilan
Test fencing configurations using standard tools
Configure fencing so that any cluster member can fence any other cluster member
Configure cluster logging and monitoring
Configure cluster logging so that each node system activity is logged to a separate file
Configure cluster logging so that logging messages will be forwarded to journald
Configure cluster monitoring
Create and configure a cluster monitoring resource
Log cluster events and send notification emails to a specific address
Configure cluster alerts
Configure a clustered fail-over service
Create and configure a cluster highly available service
Configure a specific resource group
Configure services to use shared storage
Configure services to use a specific IP
Configure cluster service behavior
Restrict where services run
Configure service failover behavior
Configure an iSCSI initiator
Create and configure shared storage using provided iSCSI volumes
Configure multipath access to shared storage
Configure shared LVM devices
Configure highly available LVM devices
Configure GFS2 filesystems
Create GFS2 filesystems on logical volumes
Configure GFS filesystems to be shared between multiple nodes simultaneously
Manage GFS2 filesystems
Add journals to existing GFS2 filesystems
Grow a GFS2 filesystem
As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.
Duration – 3.00 hours
Red Hat encourages all candidates for the Red Hat Certified Specialist in High Availability Clustering exam (EX436) to consider taking the RH436 Red Hat High Availability Clustering training course. Attendance in this class is not required, so one can choose to take just the exam. Many successful candidates who have come to class already possessing substantial skills and knowledge have reported that the class made a positive difference for them.
While attending Red Hat courses can be an important part of one’s preparation to take exams, attending courses does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.
Many books and other resources on system administration for Red Hat’s products are available. Red Hat does not officially endorse any as preparation guides for its exam. Nevertheless, you may find additional reading deepens understanding and can prove helpful.
This exam is a performance-based evaluation of system administration skills and knowledge. Candidates perform a number of routine system administration tasks and are evaluated on whether they have met specific objective criteria. Performance-based testing means that candidates must perform tasks similar to what they perform on the job.
This exam consists of one section lasting 3 hours.
Scores and reporting
Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days.
Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request.
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