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Red Hat Enterprise Directory Services and Authentication: Expertise Exam Preparation Guide

Overview

The EX423 Directory Services and Authentication Expertise Exam tests the ability of an RHCE to implement directory services and authentication for enterprise environments.

This guide provides information candidates may use in preparing to take the EX423 Directory Services and Authentication Expertise Exam. Red Hat is not responsible for the content or accuracy of other guides, books, on-line resources, or any other information provided by organizations or individuals other than Red Hat Global Learning Services. Red Hat reserves the right to change this Guide when appropriate and candidates who have enrolled in forthcoming classes or exams are advised to check this guide periodically for changes.

Performance-based Exams

This exam is a performance-based evaluations 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.

Prospective employers of people with the EX423 Directory Services and Authentication Certificate of Expertise credential should verify any and all claims by people claiming to hold one of this credential by requesting their certificate number and verifying it here.

Authorized Training Partners

Only Red Hat and Red Hat Certified Training Partners administer this exam. Prospective candidates should exercise due diligence when purchasing a seat in an exam from a provider other than Red Hat itself. They should verify that the provider is, in fact, an authorized training partner in good standing. Please notify greymarket@redhat.com about organizations that purport to offer Red Hat exams, but who are not Red Hat Certified Training Partners.

Official scores for this exam 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 ten (10) US 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.

Preparation for the EX423 Directory Services and Authentication Expertise Exam

Red Hat encourages all candidates for the EX423 Directory Services and Authentication Expertise Exam to consider taking RH423 Red Hat Enterprise Directory Services and Authentication. 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 classes can be an important part of one's preparation to take this exam, attending class 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.

Components of the Exam

The EX423 Directory Services and Authentication Expertise Exam is organized as follows:

  • Directory Service Configuration and User Authentication: 4.0 hours

In order to earn the EX423 Directory Services and Authentication Certificate of Expertise, one must earn a score of 70 or higher.

Study Points for the Exam

Prerequisite skills for the Exam

Candidates must be a Red Hat Certified Engineer on a release that is considered current in order to take this exam.

Directory Service Configuration and User Authentication

Candidates should be able to perform the tasks listed below.

  • Install Red Hat Directory Server
    • configure the default LDAP suffix
    • configure the administrative user
    • configure a slave replica
  • Configure Red Hat Directory Server for TLS communication
    • request a certificate from a certificate authority (CA)
    • install CA-signed server certificate
  • Configure command-line tools to
    • Use TLS
    • Use a default LDAP suffix
  • Configure Red Hat Directory Server access through user ACLs
  • Configure write referrals
  • Migrate NIS users and groups into LDAP
  • Create and modify entries of the inetOrgPerson object class
  • Import user information from an LDIF file
  • Export specific user information to an LDIF file
  • Configure a system to authenticate using LDAP
  • Configure a system to authenticate using Active Directory(tm)

As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.

Red Hat Courses Covering These Skills

RH423 Red Hat Enterprise Directory Services and Authentication

RH423 is designed to train people with RHCE-level competency on skills required to manage and deploy the Red Hat Directory Server on and for Red Hat Enterprise Linux systems. Gaining an understanding of the basic concepts, configuration, and management of LDAP-based services is central to this course. We will also look at PAM, the Pluggable Authentication Modules system, and how it is integrated with services that require authentication and authorization.