For RHCE exams given on Red Hat Linux 9, the following structure applies:
- Troubleshooting — 2.5 hours
- Multiple Choice — 1.0 hour
- Installation and Configuration — 2.5 hours
In order to earn RHCE on these exams, one must successfully complete all the RHCT-level Troubleshooting requirements, score a minimum of 50 on the multiple choice, score 70 or higher on both the RHCE and RHCT components, and earn an overall score of 80 or better for the exam as a whole.
Study Points for the RHCE Exam
Prerequisite skills for RHCT and RHCE
Candidates should possess the following skills, as they may be necessary in order to fulfill requirements of the RHCT and RHCE exams:
- use standard command line tools (e.g., ls, cp, mv, rm, tail, cat, etc.) to create, remove, view, and investigate files and directories
- use grep, sed, and awk to process text streams and files
- use a terminal-based text editor, such as vi/vim, to modify text files
- use input/output redirection
- understand basic principles of TCP/IP networking, including IP addresses, netmasks, and gateways
- use su to switch user accounts
- use passwd to set passwords
- use tar, gzip, and bzip2v
- configure an email client on Red Hat Enterprise Linux
- use mozilla and/or links to access HTTP/HTTPS URLs
- use lftp to access FTP URLs
RHCT skills
Troubleshooting and System Maintenance
RHCTs should be able to:
- boot systems into different run levels for troubleshooting and system maintenance
- diagnose and correct misconfigured networking
- diagnose and correct hostname resolution problems
- configure the X Window System and a desktop environment
- add new partitions, filesystems, and swap to existing systems
- use standard command-line tools to analyze problems and configure system
Installation and Configuration
RHCTs must be able to:
- perform network OS installation
- implement a custom partitioning scheme
- configure printing
- configure the scheduling of tasks using cron and at
- attach system to a network directory service, such as NIS or LDAP
- configure autofs
- add and manage users, groups, and quotas
- configure filesystem permissions for collaboration
- install and update RPMs
- properly update the kernel RPM
- modify the system bootloader
- implement software RAID at install-time and run-time
- use /proc/sys and sysctl to modify and set kernel run-time parameters
RHCE skills
Troubleshooting and System Maintenance
RHCEs must demonstrate the RHCT skills listed above, and should be able to:
- use the rescue environment provided by first installation CD
- diagnose and correct boot failures arising from bootloader, module, and filesystem errors
- diagnose and correct problems with network services (see Installation and Configuration below for a list of these services)
- add, remove, and resize logical volumes
Installation and Configuration
RHCEs must demonstrate the RHCT-level skills listed above, and they must be capable of configuring the following network services:
- HTTP/HTTPS
- SMB
- NFS
- FTP
- Web proxy
- SMTP
- IMAP, IMAPS, and POP3
- SSH
- DNS
For each of these services, RHCEs must be able to:
- install the packages needed to provide the service
- configure the service to start when the system is booted
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