1. About RHCE EXAM – EX300 - RHEL 7

Exam Certification Name: Red Hat Certified System Engineer  (RHCE) exam

Code: EX300

Duration: 3.5 hours

Exam Type: Performance-Based

Cost: varies by region

Prerequisites:  Redhat Training or Comparable Experience,  RHCSA

Main Objectives Covered:

System configuration and management

Use network teaming or bonding to configure aggregated network links between two Red Hat Enterprise Linux systems
Configure IPv6 addresses and perform basic IPv6 troubleshooting
Route IP traffic and create static routes
Use firewalld and associated mechanisms such as rich rules, zones and custom rules, to implement packet filtering and configure network address translation (NAT)
Configure a system to authenticate using Kerberos
Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target
Produce and deliver reports on system utilization (processor, memory, disk, and network)
Use shell scripting to automate system maintenance tasks
Network services

Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below:

Install the packages needed to provide the service
Configure SELinux to support the service
Use SELinux port labeling to allow services to use non-standard ports
Configure the service to start when the system is booted
Configure the service for basic operation
Configure host-based and user-based security for the service

Configure a virtual host
Configure access restrictions on directories
Deploy a basic CGI application
Configure group-managed content
Configure TLS security

Configure a caching-only name server
Troubleshoot DNS client issues

Provide network shares to specific clients
Provide network shares suitable for group collaboration
Use Kerberos to control access to NFS network shares

Provide network shares to specific clients
Provide network shares suitable for group collaboration

Configure a system to forward all email to a central mail server

Configure key-based authentication
Configure additional options described in documentation

Synchronize time using other NTP peers
Database services

Install and configure MariaDB
Backup and restore a database
Create a simple database schema
Perform simple SQL queries against a database

Source: Redhat website