This IBM Redbooks publication is designed as a study guide for professionals wishing to prepare for the AIX 5L Communications certification exam as a selected course of study in order to achieve the IBM eServer Certified Advanced Technical Expert - pSeries and AIX 5L certification.

This book is designed to provide a combination of theory and practical experience needed for a general understanding of the subject matter. It also provides sample questions that will help in the evaluation of personal progress and provide familiarity with the types of questions that will be encountered in the exam.

This publication does not replace practical experience, nor is it designed to be a stand alone guide for any subject. Instead, it is an effective tool that, when combined with education activities and experience, can be a very useful preparation guide for the exam. So, whether you are planning to take the AIX 5L Communications certification exam, or if you just want to validate your AIX skills, this book is for you.

This publication was updated to include the new content included in Test 236, which was based on AIX 5L Version 5.1.

Chapter 1. Certification overview

Chapter 2. Network interfaces and protocols

Chapter 3. Network addressing and routing

Chapter 4. Basic network administration

Chapter 5. Network daemons

Chapter 6. Network services administration

Chapter 7. NFS

Chapter 8. Domain name service

Chapter 9. Mail services

Chapter 10. NIS

Chapter 11. Serial Line Internet Protocol (SLIP)