Networking Essentials:

Cover
Title
Copyright
Contents At A Glance
Contents
Introduction
CHAPTER 1 Introduction to Computer Networks
	Chapter Outline
	Objectives
	Key Terms
	1-1 Introduction
	1-2 Network Topologies
		Section 1-2 Review
		Test Your Knowledge
	1-3 The OSI Model
		Section 1-3 Review
		Test Your Knowledge
	1-4 The Ethernet LAN
		IP Addressing
		Section 1-4 Review
		Test Your Knowledge
	1-5 Home Networking
		Securing a Home Network
		IP Addressing in a Home Network
		Section 1-5 Review
		Test Your Knowledge
	1-6 Assembling an Office LAN
		Diagram the Network
		Connect the Network Devices
		Configure the Computers to Operate on the LAN
		Section 1-6 Review
		Test Your Knowledge
	1-7 Testing and Troubleshooting a LAN
		Section 1-7 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
CHAPTER 2 Physical Layer Cabling: Twisted-Pair
	Chapter Outline
	Objectives
	Key Terms
	2-1 Introduction
	2-2 Structured Cabling
		Horizontal Cabling
		Section 2-2 Review
		Test Your Knowledge
	2-3 Twisted-Pair Cable
		Unshielded Twisted-Pair Cable
		Shielded Twisted-Pair Cable
		Section 2-3 Review
		Test Your Knowledge
	2-4 Terminating Twisted-Pair Cables
		Computer Communication
		Straight-Through and Crossover Patch Cables
		Section 2-4 Review
		Test Your Knowledge
	2-5 Cable Testing and Certification
		Section 2-5 Review
		Test Your Knowledge
	2-6 10 Gigabit Ethernet over Copper
		Overview
		Alien Crosstalk
		Signal Transmission
		Section 2-6 Review
		Test Your Knowledge
	2-7 Troubleshooting Cabling Systems
		Cable Stretching
		Cable Failing to Meet Manufacturer Specifications
		CAT5e Cable Test Examples
		Section 2-7 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
CHAPTER 3 Physical Layer Cabling: Fiber Optics
	Chapter Outline
	Objectives
	Key Terms
	3-1 Introduction
	3-2 The Nature of Light
		Graded-Index Fiber
		Single-Mode Fibers
		Section 3-2 Review
		Test Your Knowledge
	3-3 Fiber Attenuation and Dispersion
		Attenuation
		Dispersion
		Dispersion Compensation
		Section 3-3 Review
		Test Your Knowledge
	3-4 Optical Components
		Intermediate Components
		Detectors
		Fiber Connectorization
		Section 3-4 Review
		Test Your Knowledge
	3-5 Optical Networking
		Defining Optical Networking
		Building Distribution
		Campus Distribution
		Optical Link Budget
		Section 3-5 Review
		Test Your Knowledge
	3-6 Safety
		Section 3-6 Review
		Test Your Knowledge
	3-7 Troubleshooting Fiber Optics: The OTDR
		Section 3-7 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
CHAPTER 4 Wireless Networking
	Chapter Outline
	Objectives
	Key Terms
	4-1 Introduction
	4-2 The IEEE 802.11 Wireless LAN Standard
		Section 4-2 Review
		Test Your Knowledge
	4-3 802.11 Wireless Networking
		Section 4-3 Review
		Test Your Knowledge
	4-4 Bluetooth, WiMAX, RFID, and Mobile Communications
		Bluetooth
		WiMAX
		Radio Frequency Identification
		Mobile (Cellular) Communications
		Section 4-4 Review
		Test Your Knowledge
	4-5 Configuring a Point-to-Multipoint Wireless LAN: A Case Study
		Step 1: Conducting an Antenna Site Survey
		Step 2: Establishing a Point-to-Point Wireless Link to the Home Network
		Steps 3 and 4: Configuring the Multipoint Distribution and Conducting an RF Site Survey
		Step 5: Configuring the Remote Installations
		Section 4-5 Review
		Test Your Knowledge
	4-6 Troubleshooting Wireless Networks
		Access Point Hardware Issues
		Wireless Router Issues
		Wireless Compatibility
		Signal Strength Problems
		Wireless Coverage
		Extending the Wireless Range
		Frequency Interference Problems
		Wireless Channel Utilization
		Load Issues
		SSID Issues
		Securing Wi-Fi Issues
		Cable Issues
		Deauthentication/Disassociation Attacks
		DHCP Issues
		Wireless Printer Issues
		Section 4-6 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 5 Interconnecting the LANs
	Chapter Outline
	Objectives
	Key Terms
	5-1 Introduction
	5-2 The Network Bridge
		Section 5-2 Review
		Test Your Knowledge
	5-3 The Network Switch
		Hub and Switch Comparison
		Managed Switches
		Multilayer Switches
		Section 5-3 Review
		Test Your Knowledge
	5-4 The Router
		The Router Interface
		Quality of Service
		Section 5-4 Review
		Test Your Knowledge
	5-5 The Console Port Connection
		Configuring the PuTTY Software (Windows)
		Configuring the ZTerm Serial Communications Software (Mac)
		Section 5-5 Review
		Test Your Knowledge
	5-6 Interconnecting LANs with the Router
		Gateway Address
		Network Segments
		Section 5-6 Review
		Test Your Knowledge
	5-7 Interconnecting LANs and WANs
		Three-Tiered LAN Architecture
		Core
		Distribution/Aggregation Layer
		Access/Edge Layer
		Traffic Flow
		Data Center Architecture
		WAN High-Speed Serial Connections
		Data Channels
		Point of Presence
		Metro Optical Ethernet/Carrier Ethernet
		Ethernet Service Types
		Service Attributes
		Section 5-7 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 6 TCP/IP
	Chapter Outline
	Objectives
	Key Terms
	6-1 Introduction
	6-2 The TCP/IP Layers
		The Application Layer
		The Transport Layer
		The Internet Layer
		The Network Interface Layer
		Section 6-2 Review
		Test Your Knowledge
	6-3 Number Conversion
		Binary-to-Decimal Conversion
		Decimal-to-Binary Conversion
		Hexadecimal Numbers
		Converting Hexadecimal
		Section 6-3 Review
		Test Your Knowledge
	6-4 IPv4 Addressing
		Section 6-4 Review
		Test Your Knowledge
	6-5 Subnet Masks: Subnetting and Supernetting
		Subnetting
		Alternative Technique to Derive the Subnets: Magic Number
		Subnet Masking Examples
		Gateway IP Address
		Section 6-5 Review
		Test Your Knowledge
	6-6 Supernetting, CIDR Blocks, and VLSM
		Section 6-6 Review
		Test Your Knowledge
	6-7 IPv6 Addressing
		Transitioning to IPv6
		CIDR for IPv6
		Section 6-7 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 7 Introduction to Router Configuration
	Chapter Outline
	Objectives
	Key Terms
	7-1 Introduction
	7-2 Router Fundamentals
		Layer 3 Networks
		Section 7-2 Review
		Test Your Knowledge
	7-3 The Router’s User EXEC Mode (Router>)
		The User EXEC Mode
		Router Configuration Challenge: User EXEC Mode
		Section 7-3 Review
		Test Your Knowledge
	7-4 The Router’s Privileged EXEC Mode (Router#)
		The hostname Command
		The enable secret Command
		Setting the Line Console Passwords
		FastEthernet Interface Configuration
		Serial Interface Configuration
		Router Configuration Challenge: Privileged EXEC Mode
		Section 7-4 Review
		Test Your Knowledge
	7-5 Configuring the Network Interface: Auto-negotiation
		Auto-negotiation Steps
		Full-Duplex/Half-Duplex
		Section 7-5 Review
		Test Your Knowledge
	7-6 Troubleshooting the Router Interface
		Section 7-6 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 8 Introduction to Switch Configuration
	Chapter Outline
	Objectives
	Key Terms
	8-1 Introduction
	8-2 Introduction to VLANs
		Virtual LANs
		Section 8-2 Review
		Test Your Knowledge
	8-3 Introduction to Switch Configuration
		Hostname
		Enable Secret
		Setting the Line Console Passwords
		Static VLAN Configuration
		VLAN Subinterfaces
		Networking Challenge: Switch Configuration
		Section 8-3 Review
		Test Your Knowledge
	8-4 Spanning Tree Protocol
		Section 8-4 Review
		Test Your Knowledge
	8-5 Power over Ethernet
		Section 8-5 Review
		Test Your Knowledge
	8-6 Troubleshooting the Switch Interface
		Section 8-6 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 9 Routing Protocols
	Chapter Outline
	Objectives
	Key Terms
	9-1 Introduction
	9-2 Static Routing
		Gateway of Last Resort
		Configuring Static Routes
		Networking Challenge: Static Routes
		Section 9-2 Review
		Test Your Knowledge
	9-3 Dynamic Routing Protocols
		Section 9-3 Review
		Test Your Knowledge
	9-4 Distance Vector Protocols
		Section 9-4 Review
		Test Your Knowledge
	9-5 Configuring RIP and RIPv2
		Configuring Routes with RIP
		Configuring Routes with RIPv2
		Networking Challenge: RIPv2
		Section 9-5 Review
		Test Your Knowledge
	9-6 Link State Protocols
		Section 9-6 Review
		Test Your Knowledge
	9-7 Configuring the Open Shortest Path First (OSPF) Routing Protocol
		Networking Challenge: OSPF
		Section 9-7 Review
		Test Your Knowledge
	9-8 Advanced Distance Vector Protocol: Configuring Enhanced Interior Gateway Routing Protocol (EIGRP)
		Configuring Routes with EIGRP
		Networking Challenge: EIGRP
		Section 9-8 Review
		Test Your Knowledge
	9-9 Internet Routing with Border Gateway Protocol (BGP)
		Configuring BGP
		Section 9-9 Review
		Test Your Knowledge
	9-10 IPv6 Routing
		IPv6 Static Routing
		RIP for IPv6
		OSPF for IPv6
		EIGRP for IPv6
		BGP for IPv6
		Section 9-10 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 10 Managing the Network Infrastructure
	Chapter Outline
	Objectives
	Key Terms
	10-1 Introduction
	10-2 Domain Name and IP Address Assignment
		Section 10-2 Review
		Test Your Knowledge
	10-3 IP Address Management with DHCP
		The DHCP Data Packets
		DHCP Deployment
		Section 10-3 Review
		Test Your Knowledge
	10-4 Scaling a Network with NAT and PAT
		Section 10-4 Review
		Test Your Knowledge
	10-5 Domain Name System (DNS)
		DNS Resource Records
		Section 10-5 Review
		Test Your Knowledge
	10-6 Network Management Protocols
		Configuring SNMP
		Section 10-6 Review
		Test Your Knowledge
	10-7 Analyzing Network Traffic
		Section 10-7 Review
		Test Your Knowledge
	10-8 Network Analyzer: Wireshark
		Downloading and Installing Wireshark
		Using Wireshark to Capture Packets
		Using Wireshark to Inspect Data Packets
		Section 10-8 Review
		Test Your Knowledge
	10-9 Analyzing Computer Networks: FTP Data Packets
		Section 10-9 Review
		Test Your Knowledge
	10-10 Troubleshooting IP Networks
		Verifying Network Settings
		Investigating IP Address Issues
		Finding Subnet Mask Issues
		Looking for Gateway Issues
		Identifying Name Resolution Issues
		Investigating DHCP Issues
		Checking for Blocked TCP/UDP Ports
		Section 10-10 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
CHAPTER 11 Network Security
	Chapter Outline
	Objectives
	Key Terms
	11-1 Introduction
	11-2 Intrusion: How Attackers Gain Control of a Network
		Social Engineering
		Password Cracking
		Packet Sniffing
		Packet Sniffing Attacks
		Vulnerable Software
		Preventing Vulnerable Software Attacks
		Malware
		Section 11-2 Review
		Test Your Knowledge
	11-3 Denial-of-Service
		Distributed Denial-of-Service Attacks
		Section 11-3 Review
		Test Your Knowledge
	11-4 Security Software and Hardware
		Personal Firewalls
		Antivirus/Anti-malware Software
		Configuring Firewall Settings for Windows 10
		Configuring Firewall Settings for macOS
		Configuring Firewall Settings for Linux
		Firewalls
		Other Security Appliances
		Computer Forensics
		Section 11-4 Review
		Test Your Knowledge
	11-5 Managing Network Access
		Section 11-5 Review
		Test Your Knowledge
	11-6 Router Security
		Router Access
		Router Services
		Logging
		Section 11-6 Review
		Test Your Knowledge
	11-7 Switch Security
		Switch Port Security
		Dynamic ARP Inspection
		STP Special Features
		Section 11-7 Review
		Test Your Knowledge
	11-8 Wireless Security
		Section 11-8 Review
		Test Your Knowledge
	11-9 Remote Access and VPN Technologies
		Analog Modem Technologies
		Cable Modems
		xDSL Modems
		Remote Access Server
		Virtual Private Network
		VPN Tunneling Protocols
		Configuring a Remote Client’s VPN Connection
		Configuring a Windows 10 VPN Client
		Configuring a macOS VPN Client
		Configuring a Cisco VPN Client
		Section 11-9 Review
		Test Your Knowledge
	11-10 Physical Security
		Access Control Hardware
		Detection Methods
		Asset Disposal
		Internet of Things (IoT) Security Devices
		Section 11-10 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Critical Thinking
		Certification Questions
CHAPTER 12 Cloud Computing and Virtualization
	Chapter Outline
	Objectives
	Key Terms
	12-1 Introduction
	12-2 Virtualization
		Setting Up Virtualization on Windows 10
		Section 12-2 Review
		Test Your Knowledge
	12-3 Cloud Computing
		Cloud Computing Service Models
		Cloud Infrastructures
		Section 12-3 Review
		Test Your Knowledge
	12-4 Enterprise Storage
		Section 12-4 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
CHAPTER 13 Codes and Standards
	Chapter Outline
	Objectives
	Key Terms
	13-1 Introduction
	13-2 Safety Standards and Codes
		Design and Construction Requirements for Exit Routes (29 CFR 1910.36)
		Maintenance, Safeguards, and Operational Features for Exit Routes (29 CFR 1910.37)
		Emergency Action Plans (29 CFR 1910.38)
		Fire Prevention Plans (29 CFR 1910.39)
		Portable Fire Extinguishers (29 CFR 1910.157)
		Fixed Extinguishing Systems (29 CFR 1910.160)
		Fire Detection Systems (29 CFR 1910.164)
		Employee Alarm Systems (29 CFR 1910.165)
		Hazard Communication (29 CFR 1910.1200)
		HVAC Systems
		Door Access
		Section 13-2 Review
		Test Your Knowledge
	13-3 Industry Regulatory Compliance
		FERPA
		FISMA
		GDPR
		GLBA
		HIPAA
		PCI DSS
		International Export Controls
		Section 13-3 Review
		Test Your Knowledge
	13-4 Business Policies, Procedures, and Other Best Practices
		Memorandum of Understanding
		Service-Level Agreement
		Master Service Agreement
		Master License Agreement
		Non-Disclosure Agreement
		Statement of Work
		Acceptable Use Policy
		Incident Response Policy
		Password Policy
		Privileged User Agreement
		Standard Operating Procedure
		Onboarding and Offboarding Policies
		Other Best Practices
		Section 13-4 Review
		Test Your Knowledge
	13-5 Business Continuity and Disaster Recovery
		Section 13-5 Review
		Test Your Knowledge
	Summary
	Questions and Problems
		Certification Questions
Glossary
	A
	B
	C
	D
	E
	F
	G
	H
	I
	J
	K
	L
	M
	N
	O
	P
	R
	S
	T
	U
	V
	W
	X
	Z
Index
	A
	B
	C
	D
	E
	F
	G
	H
	I
	J
	K
	L
	M
	N
	O
	P
	Q-R
	S
	T
	U
	V
	W
	X
	Y
	Z