Ben Piper

CCNP Enterprise Certification Study Guide (eBook, PDF)

Implementing and Operating Cisco Enterprise Network Core Technologies: Exam 350-401

• Format: PDF

Produktbeschreibung

The practical and conceptual knowledge you need to attain CCNP Enterprise certification From one of the most trusted study guide publishers comes CCNP Enterprise Certification Study Guide: Exam 350-401. This guide helps you develop practical knowledge and best practices for critical aspects of enterprise infrastructure so you can gain your CCNP Enterprise certification. If you're hoping to attain a broader range of skills and a solid understanding of Cisco technology, this guide will also provide fundamental concepts for learning how to implement and operate Cisco enterprise network core technologies. By focusing on real-world skills, each chapter prepares you with the knowledge you need to excel in your current role and beyond. It covers emerging and industry-specific topics, such as SD-WAN, network design, wireless, and automation. This practical guide also includes lessons on: * Automation * Network assurance * Security * Enterprise infrastructure * Dual-stack architecture * Virtualization In addition to helping you gain enterprise knowledge, this study guidecan lead you toward your Cisco specialist certification. When you purchase this guide, you get access to the information you need to prepare yourself for advances in technology and new applications, as well as online study tools such as: * Bonus practice exams * Pre-made flashcards * Glossary of key terms * Specific focus areas Expand your skillset and take your career to the next level with CCNP Enterprise Certification Study Guide.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 512
• Erscheinungstermin: 16. April 2020
• Englisch
• ISBN-13: 9781119658825
• Artikelnr.: 59312445

Autorenporträt

ABOUT THE AUTHOR Ben Piper is an IT consultant who has created more than 20 training courses, covering Cisco routing and switching, Amazon Web Services, Puppet configuration management, and Windows Server Administration. He is the co-author of AWS Certified Cloud Practitioner Study Guide: Foundational (CLF-C01) Exam, AWS Certified Solutions Architect Study Guide: Associate (SAA-C01) Exam, AWS Certified SysOps Administrator Practice Tests: Associate (SOA-C01) Exam, and Learn Cisco Network Administration in a Month of Lunches.

Inhaltsangabe

Introduction xxi

Assessment Test xxviii

Chapter 1 Networking Fundamentals 1

The OSI Model 2

The Upper Layers: Application, Presentation, and Session 4

Making Sense of Layers 4

The Lower Layers: Physical, Data Link, Network, and Transport 6

Layer 1: The Physical Layer 7

Layer 2: The Data Link Layer 8

A Brief History of Ethernet 8

The MAC Address Table 10

Maximum Transmission Unit 12

Subnet Limits 12

Layer 3: The Network Layer 13

Forwarding within a Subnet 14

Forwarding between Subnets 14

Address Resolution Protocol 16

Fragmentation 17

Routing vs. Forwarding 18

Layer 4: The Transport Layer 18

Transmission Control Protocol 19

Encapsulation and Decapsulation 21

Summary 22

Exam Essentials 22

Review Questions 24

Chapter 2 Spanning Tree Protocols 29

The Need for Spanning Tree 31

VLANs and Trunking 32

Dynamic Trunking 34

Unconditional Trunking 35

Active and Allowed VLANs 36

Rapid Per-VLAN Spanning Tree 38

Electing the Root Bridge 38

Calculating the Root Ports 41

Calculating the Root Ports of Indirectly Connected Switches 44

Modifying Port Cost 46

Modifying Port Priority 47

Calculating Blocked Ports 48

Port States 49

Port Roles 49

Link Types 49

Multiple Spanning Tree 50

Root Bridges and Port Priority 52

Internal Spanning Tree 53

Native VLAN 54

Topology Change Detection 55

Spanning Tree Extensions 55

Root Guard 55

BPDU Guard and BPDU Filter 57

Unidirectional Link Detection 58

Loop Guard 58

Summary 58

Exam Essentials 59

Exercises 60

Review Questions 62

Chapter 3 Enterprise Network Design 67

Physical Network Architectures 68

Comparing Campus and Data Center Networks 69

The Three-Tier Architecture 70

The Two-Tier Collapsed Core: A Cheaper Alternative 73

Layer 2 Design 74

Switched and Routed Interfaces 75

Switched Topologies 76

Routed Access Topology 81

EtherChannels 82

Load-Balancing Methods 83

Static EtherChannels 84

Port Aggregation Control Protocol 88

Link Aggregation Control Protocol 90

First-Hop Redundancy Protocols 91

Hot Standby Router Protocol 92

Virtual Router Redundancy Protocol 94

Gateway Load-Balancing Protocol 95

Summary 97

Exam Essentials 98

Review Questions 100

Chapter 4 Wireless LAN (WLAN) 105

Radio Frequency Fundamentals 106

Frequency and Amplitude 107

Carrier Frequency 109

Power Levels 110

WLAN 802.11 Standards 115

The Physical Layer: Frequencies and Channels 115

Layer 2: 802.11 Media Access Control (MAC) 119

Access Point Modes 124

Autonomous 124

Lightweight 124

Wireless LAN Controller Selection Process 125

Roaming and Location Services 126

Roaming 126

Location Services 128

Summary 128

Exam Essentials 129

Review Questions 130

Chapter 5 Open Shortest Path First (OSPF) 135

Link-State Advertisements 136

OSPF Areas 137

LSA Types 137

Neighbor Operations 141

Configu