ABOUT THE AUTHOR Jon Buhagiar, CCNA, MCSA, MCSE, N+, A+, BS/ITM, is an information technology professional with over two decades of experience in higher education. Currently he is a director of information technology for RareMed Solutions. Over the past two decades, he served as an instructor where he has taught courses for Microsoft and Cisco certification. He has avidly pursued certifications and taught in the Pittsburgh area since 1998. Some of his certifications are Windows Server Microsoft Certified Solutions Expert (MCSE), Cisco Certified Network Associate (CCNA), CompTIA Network+, CompTIA A+, and CompTIA Project+, in addition to many other IT certifications.

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• Introduction xiiiChapter 1 Network Fundamentals (Domain 1) 1Chapter 2 Network Access (Domain 2) 43Chapter 3 IP Connectivity (Domain 3) 85Chapter 4 IP Services (Domain 4) 137Chapter 5 Security Fundamentals (Domain 5) 159Chapter 6 Automation and Programmability (Domain 6) 189Chapter 7 Practice Exam 1 207Chapter 8 Practice Exam 2 229Appendix Answers to Review Questions 249Chapter 1: Network Fundamentals (Domain 1) 250Chapter 2: Network Access (Domain 2) 277Chapter 3: IP Connectivity (Domain 3) 301Chapter 4: IP Services (Domain 4) 332Chapter 5: Security Fundamentals (Domain 5) 344Chapter 6: Automation and Programmability (Domain 6) 363Chapter 7: Practice Exam 1 377Chapter 8: Practice Exam 2 389Index 403

ABOUT THE AUTHOR Jon Buhagiar, CCNA, MCSA, MCSE, N+, A+, BS/ITM, is an information technology professional with over two decades of experience in higher education. Currently he is a director of information technology for RareMed Solutions. Over the past two decades, he served as an instructor where he has taught courses for Microsoft and Cisco certification. He has avidly pursued certifications and taught in the Pittsburgh area since 1998. Some of his certifications are Windows Server Microsoft Certified Solutions Expert (MCSE), Cisco Certified Network Associate (CCNA), CompTIA Network+, CompTIA A+, and CompTIA Project+, in addition to many other IT certifications.

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• Introduction xiiiChapter 1 Network Fundamentals (Domain 1) 1Chapter 2 Network Access (Domain 2) 43Chapter 3 IP Connectivity (Domain 3) 85Chapter 4 IP Services (Domain 4) 137Chapter 5 Security Fundamentals (Domain 5) 159Chapter 6 Automation and Programmability (Domain 6) 189Chapter 7 Practice Exam 1 207Chapter 8 Practice Exam 2 229Appendix Answers to Review Questions 249Chapter 1: Network Fundamentals (Domain 1) 250Chapter 2: Network Access (Domain 2) 277Chapter 3: IP Connectivity (Domain 3) 301Chapter 4: IP Services (Domain 4) 332Chapter 5: Security Fundamentals (Domain 5) 344Chapter 6: Automation and Programmability (Domain 6) 363Chapter 7: Practice Exam 1 377Chapter 8: Practice Exam 2 389Index 403

ABOUT THE AUTHOR Jon Buhagiar, CCNA, MCSA, MCSE, N+, A+, BS/ITM, is an information technology professional with over two decades of experience in higher education. Currently he is a director of information technology for RareMed Solutions. Over the past two decades, he served as an instructor where he has taught courses for Microsoft and Cisco certification. He has avidly pursued certifications and taught in the Pittsburgh area since 1998. Some of his certifications are Windows Server Microsoft Certified Solutions Expert (MCSE), Cisco Certified Network Associate (CCNA), CompTIA Network+, CompTIA A+, and CompTIA Project+, in addition to many other IT certifications.

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• Introduction xiiiChapter 1 Network Fundamentals (Domain 1) 1Chapter 2 Network Access (Domain 2) 43Chapter 3 IP Connectivity (Domain 3) 85Chapter 4 IP Services (Domain 4) 137Chapter 5 Security Fundamentals (Domain 5) 159Chapter 6 Automation and Programmability (Domain 6) 189Chapter 7 Practice Exam 1 207Chapter 8 Practice Exam 2 229Appendix Answers to Review Questions 249Chapter 1: Network Fundamentals (Domain 1) 250Chapter 2: Network Access (Domain 2) 277Chapter 3: IP Connectivity (Domain 3) 301Chapter 4: IP Services (Domain 4) 332Chapter 5: Security Fundamentals (Domain 5) 344Chapter 6: Automation and Programmability (Domain 6) 363Chapter 7: Practice Exam 1 377Chapter 8: Practice Exam 2 389Index 403