Cisco Exam Notes are the most compact yet complete guides available for the Cisco certification exams. Each book features objective-by-objective coverage of all the material for the exam, presented in the following sections: -- Critical Information sections provide detailed analyses of the key issues for each exam objective.-- Necessary Procedures sections cover the nuts and bolts of each topic with concise step-by-step instructions.-- Exam Essentials sections highlight crucial subject areas for the exam.-- Key Terms and Concepts sections define words and concepts vital to passing the exam.-- Sample Questions sections preview the types of questions found in the exam and give answers and explanations.