Test Bank for Business Data Communications and Networking 12th Edition Jerry FitzGerald



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Test Bank for Business Data Communications and Networking 12th Edition Jerry FitzGerald

Test Bank for Business Data Communications and Networking 12th Edition Jerry FitzGerald

Over the past few years, many fundamental changes have occurred in data, communication, and networking that will shape the future for decades to come. Updated with the latest advances in the field, Jerry FitzGerald, Alan Dennis, and Alexandra Durcikova’s 12th Edition of Business Data Communications and Networking continues to provide the fundamental concepts and cutting-edge coverage of applications that students need to succeed in this dynamic field. Authors FitzGerald, Dennis, and Durcikova have developed a foundation and balanced presentation from which new technologies and applications can be easily understood, evaluated, and compared.

Additional ISBNs

1118987330, 1118936450, 1118891686, 9781118987339, 9781118936450

Table of Contents

Title Page
About the Authors
Part One Introduction
Chapter 1 Introduction to Data Communications
1.1 Introduction
1.2 Data Communications Networks
1.2.1 Components of a Network
1.2.2 Types of Networks
1.3 Network Models
1.3.1 Open Systems Interconnection Reference Model
Layer 1: Physical Layer
Layer 2: Data Link Layer
Layer 3: Network Layer
Layer 4: Transport Layer
Layer 5: Session Layer
Layer 6: Presentation Layer
Layer 7: Application Layer
1.3.2 Internet Model
Layer 1: The Physical Layer
Layer 2: The Data Link Layer
Layer 3: The Network Layer
Layer 4: The Transport Layer
Layer 5: Application Layer
Groups of Layers
1.3.3 Message Transmission Using Layers
Application Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
The Pros and Cons of Using Layers
1.4 Network Standards
1.4.1 The Importance of Standards
1.4.2 The Standards-Making Process
International Organization for Standardization
International Telecommunications Union-Telecommunications Group
American National Standards Institute
Institute of Electrical and Electronics Engineers
Internet Engineering Task Force
1.4.3 Common Standards
1.5 Future Trends
1.5.1 Wireless LAN and BYOD
1.5.2 The Web of Things
1.5.3 Massively Online
1.6 Implications for Management
Part Two Fundamental Concepts
Chapter 2 Application Layer
2.1 Introduction
2.2 Application Architectures
2.2.1 Host-Based Architectures
2.2.2 Client-Based Architectures
2.2.3 Client-Server Architectures
Two-Tier, Three-Tier, and n-Tier Architectures
Thin Clients versus Thick Clients
2.2.4 Cloud Computing Architectures
Software as a Service (SaaS)
Platform as a Service (PaaS)
Infrastructure as a Service (IaaS)
2.2.5 Peer-to-Peer Architectures
2.2.6 Choosing Architectures
2.3 World Wide Web
2.3.1 How the Web Works
2.3.2 Inside an HTTP Request
2.3.3 Inside an HTTP Response
2.4 Electronic Mail
2.4.1 How Email Works
Two-Tier Email Architecture
Three-Tier Thin Client-Server Architecture
2.4.2 Inside an SMTP Packet
2.4.3 Attachments in Multipurpose Internet Mail Extension
2.5 Other Applications
2.5.1 Telnet
2.5.2 Instant Messaging
2.5.3 Videoconferencing
2.6 Implications for Management
Chapter 3 Physical Layer
3.1 Introduction
3.2 Circuits
3.2.1 Circuit Configuration
3.2.2 Data Flow
3.2.3 Multiplexing
Frequency Division Multiplexing
Time Division Multiplexing
Statistical Time Division Multiplexing
Wavelength Division Multiplexing
3.3 Communication Media
3.3.1 Twisted Pair Cable
3.3.2 Coaxial Cable
3.3.3 Fiber-Optic Cable
3.3.4 Radio
3.3.5 Microwave
3.3.6 Satellite
3.3.7 Media Selection
3.4 Digital Transmission of Digital Data
3.4.1 Coding
3.4.2 Transmission Modes
3.4.3 Digital Transmission
3.4.4 How Ethernet Transmits Data
3.5 Analog Transmission of Digital Data
3.5.1 Modulation
Basic Modulation
Sending Multiple Bits Simultaneously
Bit Rate versus Baud Rate versus Symbol Rate
3.5.2 Capacity of a Circuit
3.5.3 How Modems Transmit Data
3.6 Digital Transmission of Analog Data
3.6.1 Translating from Analog to Digital
3.6.2 How Telephones Transmit Voice Data
3.6.3 How Instant Messenger Transmits Voice Data
3.6.4 Voice over Internet Protocol (VoIP)
3.7 Implications for Management
Chapter 4 Data Link Layer
4.1 Introduction
4.2 Media Access Control
4.2.1 Contention
4.2.2 Controlled Access
4.2.3 Relative Performance
4.3 Error Control
4.3.1 Sources of Errors
4.3.2 Error Prevention
4.3.3 Error Detection
Parity Checking
Cyclical Redundancy Check
4.3.4 Error Correction via Retransmission
Stop-and-Wait ARQ
Continuous ARQ
4.3.5 Forward Error Correction
4.3.6 Error Control in Practice
4.4 Data Link Protocols
4.4.1 Asynchronous Transmission
4.4.2 Synchronous Transmission
Synchronous Data Link Control
High-Level Data Link Control
Point-to-Point Protocol
4.5 Transmission Efficiency
4.6 Implications for Management
Chapter 5 Network and Transport Layers
5.1 Introduction
5.2 Transport and Network Layer Protocols
5.2.1 Transmission Control Protocol (TCP)
5.2.2 Internet Protocol (IP)
5.3 Transport Layer Functions
5.3.1 Linking to the Application Layer
5.3.2 Segmenting
5.3.3 Session Management
Connection-Oriented Messaging
Connectionless Messaging
Quality of Service
5.4 Addressing
5.4.1 Assigning Addresses
Internet Addresses
Dynamic Addressing
5.4.2 Address Resolution
Server Name Resolution
Data Link Layer Address Resolution
5.5 Routing
5.5.1 Types of Routing
Centralized Routing
Static Routing
Dynamic Routing
5.5.2 Routing Protocols
5.5.3 Multicasting
5.5.4 The Anatomy of a Router
5.6 TCP/IP Example
5.6.1 Known Addresses, Same Subnet
5.6.2 Known Addresses, Different Subnet
5.6.3 Unknown Addresses
5.6.4 TCP Connections
5.6.5 TCP/IP and Network Layers
5.7 Implications for Management
Part Three Network Technologies
Chapter 6 Network Design
6.1 Introduction
6.1.1 Network Architecture Components
6.1.2 The Traditional Network Design Process
6.1.3 The Building-Block Network Design Process
6.2 Needs Analysis
6.2.1 Network Architecture Component
6.2.2 Application Systems
6.2.3 Network Users
6.2.4 Categorizing Network Needs
6.2.5 Deliverables
6.3 Technology Design
6.3.1 Designing Clients and Servers
6.3.2 Designing Circuits
6.3.3 Network Design Tools
6.3.4 Deliverables
6.4 Cost Assessment
6.4.1 Request for Proposal
6.4.2 Selling the Proposal to Management
6.4.3 Deliverables
6.5 Implications for Management
Chapter 7 Wired and Wireless Local Area Networks
7.1 Introduction
7.2 LAN Components
7.2.1 Network Interface Cards
7.2.2 Network Circuits
Wired LANs
Wireless LANs
7.2.3 Network Hubs, Switches, and Access Points
7.2.4 Network Operating Systems
NOS Server Software
NOS Client Software
Network Profiles
7.3 Wired Ethernet
7.3.1 Topology
Hub-Based Ethernet
Switch-Based Ethernet
7.3.2 Media Access Control
7.3.3 Types of Ethernet
7.4 Wireless Ethernet
7.4.1 Topology
7.4.2 Media Access Control
Associating with an AP
Distributed Coordination Function
Point Coordination Function
7.4.3 Wireless Ethernet Frame Layout
7.4.4 Types of Wireless Ethernet
7.4.5 Security
MAC Address Filtering
7.5 The Best Practice LAN Design
7.5.1 Designing User Access with Wired Ethernet
7.5.2 Designing User Access with Wireless Ethernet
7.5.3 Designing the Data Center
7.5.4 Designing the e-Commerce Edge
7.5.5 Designing the SOHO Environment
7.6 Improving LAN Performance
7.6.1 Improving Server Performance
7.6.2 Improving Circuit Capacity
7.6.3 Reducing Network Demand
7.7 Implications for Management
Chapter 8 Backbone Networks
8.1 Introduction
8.2 Switched Backbones
8.3 Routed Backbones
8.4 Virtual LANs
Benefits of VLANs
How VLANs Work
8.5 The Best Practice Backbone Design
8.6 Improving Backbone Performance
8.6.1 Improving Device Performance
8.6.2 Improving Circuit Capacity
8.6.3 Reducing Network Demand
8.7 Implications for Management
Chapter 9 Wide Area Networks
9.1 Introduction
9.2 Dedicated-Circuit Networks
9.2.1 Basic Architecture
Ring Architecture
Star Architecture
Mesh Architecture
9.2.2 T Carrier Services
9.2.3 SONET Services
9.3 Packet-Switched Networks
9.3.1 Basic Architecture
9.3.2 Frame Relay Services
9.3.3 Ethernet Services
9.3.4 MPLS Services
9.3.5 IP Services
9.4 Virtual Private Networks
9.4.1 Basic Architecture
9.4.2 VPN Types
9.4.3 How VPNs Work
9.5 The Best Practice WAN Design
9.6 Improving WAN Performance
9.6.1 Improving Device Performance
9.6.2 Improving Circuit Capacity
9.6.3 Reducing Network Demand
9.7 Implications for Management
Chapter 10 The Internet
10.1 Introduction
10.2 How the Internet Works
10.2.1 Basic Architecture
10.2.2 Connecting to an ISP
10.2.3 The Internet Today
10.3 Internet Access Technologies
10.3.1 Digital Subscriber Line (DSL)
Types of DSL
10.3.2 Cable Modem
Types of Cable Modems
10.3.3 Fiber to the Home
Types of FTTH
10.3.4 WiMax
Types of WiMax
10.4 The Future of the Internet
10.4.1 Internet Governance
10.4.2 Building the Future
10.5 Implications for Management
Part Four Network Management
Chapter 11 Network Security
11.1 Introduction
11.1.1 Why Networks Need Security
11.1.2 Types of Security Threats
11.1.3 Network Controls
11.2 Risk Assessment
11.2.1 Develop risk measurement criteria
11.2.2 Inventory IT assets
11.2.3 Identify Threats
11.2.4 Document Existing Controls
11.2.5 Identify Improvements
11.3 Ensuring Business Continuity
11.3.1 Virus Protection
11.3.2 Denial of Service Protection
11.3.3 Theft Protection
11.3.4 Device Failure Protection
11.3.5 Disaster Protection
Avoiding Disaster
Disaster Recovery
Disaster Recovery Outsourcing
11.4 Intrusion Prevention
11.4.1 Security Policy
11.4.2 Perimeter Security and Firewalls
Packet-Level Firewalls
Application-Level Firewalls
Network Address Translation Firewalls
Firewall Architecture
Physical Security
11.4.3 Server and Client Protection
Security Holes
Operating Systems
Trojan Horses
11.4.4 Encryption
Single-Key Encryption
Public Key Encryption
Encryption Software
11.4.5 User Authentication
Access Cards
Central Authentication
11.4.6 Preventing Social Engineering
11.4.7 Intrusion Prevention Systems
11.4.8 Intrusion Recovery
11.5 Best Practice Recommendations
11.6 Implications for Management
Chapter 12 Network Management
12.1 Introduction
12.2 Designing for Network Performance
12.2.1 Managed Networks
Network Management Software
Network Management Standards
12.2.2 Managing Network Traffic
Load Balancing
Policy-Based Management
12.2.3 Reducing Network Traffic
Capacity Management
Content Caching
Content Delivery
12.3 Configuration Management
12.3.1 Configuring the Network and Client Computers
12.3.2 Documenting the Configuration
12.4 Performance and Fault Management
12.4.1 Network Monitoring
12.4.2 Failure Control Function
12.4.3 Performance and Failure Statistics
12.4.4 Improving Performance
12.5 End User Support
12.5.1 Resolving Problems
12.5.2 Providing End User Training
12.6 Cost Management
12.6.1 Sources of Costs
12.6.2 Reducing Costs
12.7 Implications for Management
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Test Bank for Business Data Communications and Networking 12th Edition Jerry FitzGerald


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