RedHat | Red Hat Certified Architect - RHCA

The RHCA is the most senior system administration credential and is designed for technical leaders working in demanding enterprise environments.

A Red Hat® Certified Engineer (RHCE®) who earns an RHCA certification brings an exceptional breadth and depth of knowledge to the biggest IT challenges. RHCA certification incorporates the skills and knowledge of a Red Hat Certified Datacenter Specialist (RHCDS) plus advanced networking services security, system monitoring, and performance tuning.

To become certified, an RHCA will have demonstrated knowledge and skills in a number of areas beyond RHCE, such as those related to systems deployment, systems management, clustering, and storage management. However, the RHCA certification offers the flexibility to demonstrate additional skills in both directory services and authentication or in managing virtualized systems. Consequently, an RHCA will have many, but not necessarily all, of the following skills:

  • Installing and configuring a Red Hat Network Satellite server
  • Configuring users, groups, administrators, and activation keys on a Satellite
  • Creating base and child channels on a Satellite
  • Using Cobbler and Satellite to install, configure, and manage systems
  • Managing data using logical volumes and snapshots
  • Configuring high-availability clusters using physical or virtual systems
  • Configuring a GFS file system to meet performance, size, and quota objectives
  • Configuring iSCSI targets and initiators
  • Configuring a Kerberos realm
  • Configuring Red Hat Directory Server to provide a centralized directory with access control
  • Configuring Red Hat Enterprise Linux® clients to authenticate using various mechanisms, including Kerberos, LDAP, and Microsoft Active Directory
  • Configuring and managing hypervisors and virtual hosts using Red Hat Enterprise Virtualization
  • Analyzing system performance and behaviour using tools such as vmstat, iostat, mpstat, and sar
  • Configuring systems to provide information using SNMP
  • Configuring runtime kernel parameters
  • Analyzing system and application behaviour using ps, strace, top, Oprofile, and Valgrind
  • Configuring disk subsystems and scheduling algorithms and network buffers for optimal performance for specific requirements
RedHat Certified Trainer Partner
In preparation to earn an RHCA, Mazenet recommends the following Training courses: Red Hat Enterprise Security: Network Services (RHS333)
  • Mastering basic service security
  • Understanding cryptography
  • Securing BIND and DNS
  • Hardening remote procedure call (RPC) services
  • Using Kerberos for centrally managed user authentication
  • Improving Network File System (NFS) security with Kerberos and NFSv4
  • Advanced uses of Secure Shell
  • Building a secure email infrastructure
  • Securing FTP and Apache HTTPD services
  • Basics of intrusion detection and response
Red Hat Enterprise Deployment and Systems Management (RH401)
  • Efficient team-based management of large-scale systems-before, during, and after deployment
  • Installation and administration of Red Hat Network Satellite
  • Building custom RPM packages
  • Using Subversion to make changes to scripts
  • RHN Satellite organizations, users, and roles
  • Managing changes with revision control software
  • Managing software with Red Hat Network, including software channels and errata
  • Construction of custom RPM packages
  • Reporting and automation with Red Hat Network programming API
  • Deploying configuration files using Red Hat Network
  • Bare-metal provisioning with PXE
Red Hat Enterprise Clustering and Storage Management (RH436)
  • Install and configure the Red Hat High Availability Add-On.
  • Create and manage highly available services.
  • Work with shared storage (iSCSI) and configure multipathing.
  • Configure GFS2 file systems.
  • Configure XFS® file systems.
  • Work with the Red Hat Storage Server.
Red Hat Enterprise System Monitoring and Performance Tuning (RH442)
  • Tuning for use-case scenarios (for example, HPC, large memory, database, and file server)
  • Tuning for power consumption
  • Tuning virtual machines (host and guest)
  • Tuning memory and caches
  • Tuning CPU and memory utilization using cgroups
  • Gathering performance metrics and other data for tuning purposes
Red Hat Enterprise Directory Services and Authentication (RH423)
  • Understanding basic LDAP concepts
  • Configuring and managing Red Hat Directory Server
  • Managing user authentication with PAM and glibc NSS
  • Using Kerberos and LDAP to centrally manage user authentication
  • Using LDAP referrals and replication for distributed, highly available directory server performance
  • Exploring options for integration with Microsoft Active Directory authentication
or Red Hat Enterprise Virtualization (RH318)
  • Deploy Red Hat Enterprise Virtualization platform.
  • Configure Red Hat Enterprise Virtualization environment (datacenters, clusters, and storage domains).
  • Install, manage, and troubleshoot virtual machines (servers and desktops).
  • Create virtual machine snapshots and explore high-availability options.
  • Use templates for rapid virtual machine deployment.
  • Secure Red Hat Enterprise Virtualization environment with multilevel administrative roles.
  • Monitor and create custom reports.
The duration for Red Hat Certified Architect (RHCA) is: Regular Track: 40 Hours (20 Days) Fast Track: 40 Hours (10 Days) Exam Duration: Expertise Exams vary in length from 2 to 8 hours
Red Hat Certified Architect (RHCA) The RHCA is the most senior system administration credential and is designed for technical leaders working in demanding enterprise environments.
Candidates who pass this exam will earn the Red Hat Certified Virtualization Administrator certification. A candidate who is also a current Red Hat Certified Engineer (RHCE®) may apply RHCVA Exam (EX318) as a Red Hat Certificate of Expertise in lieu of Red Hat Enterprise Directory Services and Authentication (EX423) toward the Red Hat Certified Datacenter Specialist (RHCDS) and Red Hat Certified Architect (RHCA) credentials. RHCSA
  • Only a current RHCE is eligible to earn an RHCA credential.
  • To be awarded an RHCA credential, a current RHCE must pass the following expertise exams:
    • Red Hat Enterprise Security: Network Services Expertise Exam (EX333)
    • Red Hat Enterprise Deployment and Systems Management Expertise Exam (EX401)
    • Red Hat Enterprise Clustering and Storage Management Expertise Exam (EX436)
    • Red Hat Enterprise System Monitoring and Performance Tuning Expertise Exam (EX442)
    • Red Hat Enterprise Directory Services and Authentication Expertise Exam (EX423) or Red Hat Enterprise Virtualization (RHCVA) Exam (EX318)
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