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Business Data Networks and Security 11th Edition Panko Solutions Manual.

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Business Data Networks and Security 11th Edition Panko Solutions Manual

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ISBN-10 ‏ : ‎ 0134817125
ISBN-13 ‏ : ‎ 978-0134817125
Author: Ray Panko

With a clear writing style and a focus on contemporary technologies, Business Data Networks and Security guides readers through the details of networking, while effectively training them for the demands of the modern workplace. Authors Panko and Panko start with the basics –including the Internet, security, and network design – and move on to the latest in networking techniques and wireless networking, all while emphasizing security. The 11th Edition helps readers form a firm foundation, including sound job-related training, in the context of the latest updates and advances in the field.

Table contents:

Chapter 1 Core Network Concepts and Terminology
Learning Objectives
A State of Siege1
Anything, Anytime, Anywhere
Test Your Understanding
The Internet Reorganizes to Get Commercial
Internet Service Providers
Hosts
E-Commerce
Test Your Understanding
Old Yet Always New
No Longer New?
Growing Speed
Growing Ubiquity and Reliability
The Emerging Internet of Everything
Test Your Understanding
Owning and Managing the Internet
Test Your Understanding
The Snake in the Garden
Test Your Understanding
Next Steps
Test Your Understanding
Outside the Internet
Test Your Understanding
Client and Server Hosts
Client Hosts
Server Hosts
Test Your Understanding
Networked Applications
Test Your Understanding
The Job of the Source Host
Sending Short Application Messages
The Final IP Packet
Sending Long Application Messages
Test Your Understanding
The Job of the Destination Host
Freeing the Application Program from Networking Details
Test Your Understanding
Inside the Internet
The Main Characters: IP Addresses, Packets, Routers, Data Links, and Routes
IP Addresses
Binary to Decimal
Decimal to Binary
IP Version 6 Addresses
Test Your Understanding
IP Packets
Test Your Understanding
Routers
Routing
On Router B
Test Your Understanding
Data Links and Routes
Test Your Understanding
The Transport and Internet Processes in the Network Stack
Test Your Understanding
Supervisory Standards: Beyond TCP and IP
Supervisory Protocols
Test Your Understanding
Dynamic Host Configuration Protocol (DHCP)
Test Your Understanding
Domain Name System (DNS)
Test Your Understanding
Single Networks, Data Links, and Physical Links
Point-to-Point Single Networks
Test Your Understanding
Ethernet Single Networks
Ethernet Frames and Data Links
Ethernet Physical Links (versus PPP Physical Links)
Test Your Understanding
Frames and Packets
Test Your Understanding
Single Network Addresses
Test Your Understanding
Internet Routers and Personal Access Routers
Internet Core Routers
Residential Access Router
Corporate Access Point
Test Your Understanding
Where to Next?
End-of-Chapter Questions
Thought Questions
Perspective Questions
Chapter 1a Hands-On: A Few Internet Tools
Learning Objectives
Hands-On Exercises
Chapter 2 Network Standards
Learning Objectives
How Internet Standards Come to Be
Introduction
Standard = Protocol
What Are Network Standards?
The Importance of Standards
Test Your Understanding
Creating Standards
Standards Agencies
Test Your Understanding
Standards Architectures
Layering
Specialization in Design
Changing a Single Layer
Test Your Understanding
The OSI Standards Architecture
The TCP/IP Standards Architecture
When Do We Capitalize “Internet?”
The Hybrid TCP/IP–OSI Standards Architecture
Application Standards
Test Your Understanding
The Five Layers
Test Your Understanding
Repeated Concepts at Layers 2 and 3
Packets Are Carried Inside Frames
Test Your Understanding
Message Ordering (Plus Reliability and Connection Orientation) in Standards
Simple Message Ordering in HTTP
Test Your Understanding
Message Ordering and Reliability in TCP at the Transport Layer
Connections
TCP Segments
The Three-Step Opening
Control Segments
Test Your Understanding
Sequence Numbers
Test Your Understanding
Carrying Application Data
Reliability
Test Your Understanding
The Four-Step Closing
Test Your Understanding
Message Syntax in Standards
Syntax: General Message Organization
Data Fields, Headers, and Trailers
Fields
Test Your Understanding
The Syntax of the Internet Protocol (IP) Packet
32 Bits per Row
Source and Destination IP Address Fields
Unreliability
A Connectionless Protocol
Test Your Understanding
Transmission Control Protocol (TCP) Segment Syntax
Fields in TCP/IP Segments
Flag Fields
Sequence Numbers
Acknowledgment Numbers
Dual-Purpose Segments
Test Your Understanding
User Datagram Protocol (UDP) Datagram Syntax
Test Your Understanding
Port Numbers
Server Port Numbers
Client Port Numbers
Sockets
Test Your Understanding
Frame Syntax
Octets
The Ethernet II Frame
Test Your Understanding
Encoding Application Messages into Binary
Encoding
Test Your Understanding
Encoding Text as ASCII
Test Your Understanding
Converting Integers into Binary Numbers (1s and 0s)
Encoding Small Decimal Integers to Binary Using Your Brain
Encoding Decimal Integers to Binary Using a Computer
Converting Binary to Decimal Using Your Brain
Test Your Understanding
Encoding Alternatives
Test Your Understanding
Protocols in this Chapter
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Internet Research: April 1 RFCs
Perspective Questions
Chapter 3 Network Management
Learning Objectives
Introduction
Network Quality of Service (QoS)
Test Your Understanding
Transmission Speed1
Bits per second (bps)
Application Requirements
Test Your Understanding
Rated Speed and Throughput
Shared Speed: Aggregate and Individual Throughput
Test Your Understanding
Transmission Capacity on Multiplexed Transmission Links
Why Multiplexing?
The Downside of Sharing
Test Your Understanding
Other Quality-of-Service Metrics
Availability
Error Rates
Latency
Jitter
Engineering for Latency and Jitter
Test Your Understanding
Service Level Agreements (SLAs)
Worst-Case Specification
Percentage-of-Time Elements
Corporations versus Individuals
Test Your Understanding
Network Design
Traffic Analysis
Two-Site Analysis
Three-Site Analysis
Four-Site Analysis
Test Your Understanding
Reliability Through Redundancy
Failed Transmission Line
Adding Redundancy
Test Your Understanding
Traffic Requirements versus Leased Lines
Test Your Understanding
Momentary Traffic Peaks
Adding More Capacity
Priority
Quality-of-Service Guarantees
Traffic Shaping
Test Your Understanding
Centralized Network Management
Ping
Reachability
Latency Problems
Traceroute
Test Your Understanding
The Simple Network Management Protocol (SNMP)
SNMP Agents
SNMP Get Commands
SNMP Management Information Base (MIB)
SNMP Set Commands and Security
SNMP Trap
Network Visualization Program
Test Your Understanding
Automation
Test Your Understanding
Software-Defined Networking (SDN)
Traditional Configuration and Its Discontents
The Forwarding Function
The Control Function
Policy-Based Configuration
Control Agility
Software-Defined Networking Operation
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Perspective Questions
Chapter 3a Hands-On: Microsoft Office Visio
Learning Objective
What is Visio?
Using Visio
Hands-On Exercises
Chapter 4 Network Security
Learning Objectives
The Target Breach
The POS Attack
Test Your Understanding
Damages
Test Your Understanding
Perspective
Introduction
Test Your Understanding
Types of Attacks
Malware Attacks
Test Your Understanding
Vulnerabilities and Patches
Test Your Understanding
Social Engineering: No Vulnerability Necessary
Test Your Understanding
Types of Malware
Viruses
Worms
Trojan Horses
Test Your Understanding
Payloads
Erasing or Encrypting Your Hard Drive
Turn Your Computer into a Spam or Pornography Server
Spyware
Credit Card Number Theft
Identity Theft
Test Your Understanding
Human Break-Ins (Hacking)
What Is Hacking?
Test Your Understanding
Denial-of-Service (DoS) Attacks
Test Your Understanding
Advanced Persistent Threats (APTs)
Test Your Understanding
Types of Attackers
Cybercriminals
Test Your Understanding
Employees, Ex-Employees, and Other Insiders
Test Your Understanding
Business Competitors
Test Your Understanding
Cyberterrorists and National Governments
Test Your Understanding
Protecting Dialogues Cryptographically
Encryption for Confidentiality
Encryption for Confidentiality
Keys
Key Length
Test Your Understanding
Electronic Signatures: Message Authentication and Integrity
Test Your Understanding
Host-to-Host Virtual Private Networks (VPNs)
Test Your Understanding
Authentication
Authentication Terminology and Concepts
Test Your Understanding
Reusable Passwords
Ease of Use and Low Cost
Picking Poor Passwords
Traditional Advice on Reusable Passwords
National Institute of Standards and Technology
Ever-Smaller Scope of Usefulness
Test Your Understanding
Other Forms of Authentication
Access Cards
Biometrics
Digital Certificate Authentication
Two-Factor Authentication
Test Your Understanding
Firewalls and Intrusion Detection Systems
Dropping and Logging Provable Attack Packets
Test Your Understanding
Stateful Packet Inspection (SPI) Firewalls
Test Your Understanding
Next-Generation (Application Aware) Firewalls (NGFWs)
Test Your Understanding
Intrusion Detection Systems (IDSs)
False Positives (False Alarms)
No Alternatives
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Harder Thought Questions (You May Not Get These, but Try)
Perspective Questions
Chapter 5 Ethernet (802.3) Switched LANs
Learning Objectives
Ethernet Begins
Introduction
Local Area Networks
Test Your Understanding
Perspective: Layer 1 and Layer 2 Standards
Test Your Understanding
Basic Physical Layer Terminology
Workgroup Switches and Core Switches
Access Links and Trunk Links
Test Your Understanding
Ethernet Physical Layer Standards
Test Your Understanding
Signaling
Bits and Signals
Binary Signaling
Digital Signaling
Binary Is a Special Case of Digital
Clock Cycles
Test Your Understanding
4-Pair Unshielded Twisted Pair (UTP) Physical Links
4-Pair Unshielded Twisted Pair (UTP) Cables
Parallel Transmission
Radiative Attenuation
Test Your Understanding
Maximum Cord Distance
The 10 Gbps Problem
2.5 Gbps and 5 Gbps for Wi-Fi Access Points
Test Your Understanding
Optical Fiber (Fiber)
Test Your Understanding
Multimode Fiber Propagation Limitations
Test Your Understanding
Maximum Optical Fiber Transmission Distances
The Coming Explosion in Multimode Fiber Speed Standards
Test Your Understanding
Link Aggregation (Bonding)
Test Your Understanding
Perspective on Purchasing Physical Links in Ethernet
Test Your Understanding
The Ethernet Data Link Layer Switching and Frame Syntax Standard
Physical Link and Data Link Length Restrictions
Switches versus Transmission Lines
Test Your Understanding
Ethernet Data Link Layer Switch Operation
Frame Forwarding
Test Your Understanding
Hierarchical Switch Organization
Test Your Understanding
Core Fields in the Ethernet Frame
Test Your Understanding
Management
SNMP
Test Your Understanding
Reliability
Test Your Understanding
Ethernet Security
Ethernet Security in Perspective
Virtual LANs (VLANs) for Network Segregation
Test Your Understanding
Initial User Authentication Through 802.1X
Test Your Understanding
802.1AE Switch-to-Switch Protection
Test Your Understanding
ARP Cache Poisoning
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Design Questions
Troubleshooting Question
Perspective Questions
Chapter 5a Hands-On: Cutting and Connectorizing UTP1
Learning Objectives
Introduction
Solid and Stranded Wiring
Solid-Wire UTP versus Stranded-Wire UTP
Relative Advantages
Adding Connectors
Cutting the Cord
Stripping the Cord
Working with the Exposed Pairs
Pair Colors
Untwisting the Pairs
Ordering the Pairs
Cutting the Wires
Adding the Connector
Holding the Connector
Sliding in the Wires
Some Jacket Inside the Connector
Crimping
Pressing Down
Making Electrical Contact
Strain Relief
Testing
Testing with Continuity Testers
Testing for Signal Quality
Test Your Understanding
Chapter 6 Wireless LANs I
Learning Objectives
Introduction
OSI Standards
Test Your Understanding
802.11 = Wi-Fi
802.11
Wi-Fi
Test Your Understanding
Basic Access Point Operation
Test Your Understanding
Radio Signal Propagation
Perfidious Radio
Test Your Understanding
Frequencies
Test Your Understanding
Antennas
Test Your Understanding
Wireless Propagation Problems
Inverse Square Law Attenuation
Absorptive Attenuation
Dead Zones
Multipath Interference
Electromagnetic Interference (EMI)
Frequency-Dependent Propagation Problems
Test Your Understanding
Service Bands and Bandwidth
Service Bands
The Frequency Spectrum
Service Bands
Channels
Test Your Understanding
Signal and Channel Bandwidth
Test Your Understanding
Licensed and Unlicensed Service Bands
Licensed Service Bands
Unlicensed Service Bands
Test Your Understanding
Channel Use and Co-Channel Interference
Test Your Understanding
The 2.4 GHz and 5 GHz Unlicensed Service Bands
The 2.4 GHz Unlicensed Service Band
The 5 GHz Service Band
Test Your Understanding
Spread Spectrum Transmission
Normal versus Spread Spectrum Transmission
Test Your Understanding
Orthogonal Frequency Division Multiplexing (OFDM) Spread Spectrum Transmission
Test Your Understanding
802.11 WLAN Operation
From 802.11 to 802.3
Test Your Understanding
Wireless Networks with Multiple Access Points
Test Your Understanding
Media Access Control
Test Your Understanding
802.11 Transmission Standards
Channel Bandwidth and Service Band Bandwidth
Test Your Understanding
Speed and Market Status
Test Your Understanding
Your Service Speed Will Vary. A Lot
Test Your Understanding
Multiple Input/Multiple Output (MIMO)
Test Your Understanding
Beamforming and Multiuser MIMO
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Troubleshooting Question
Hands On
Perspective Questions
Chapter 6a Hands-On: Using Xirrus Wi-Fi Inspector
Learning Objectives
Introduction
The Four Windows
The Radar Window (Read the Fine Print)
Relative Direction (Meaningless)
Distance From the Center (Signal Strength)
Measuring Signal Strength
Expanding the Radar Window
Connection Window
The Networks Window
Signal History
Other Groups on the Ribbon
Help Group
Settings Group
Tests Group
Tests
Connection Test
Speed Test
Quality Test
Hands-On Exercises
Questions
Activity
Chapter 7 Wireless LANs II
Learning Objectives
Child’s Play1
Test Your Understanding
802.11i WLAN Security
802.11i
Test Your Understanding
802.11i Stages
Test Your Understanding
Pre-Shared Key (PSK) Initial Authentication Mode in 802.11i
Pre-Shared Session Keys
Unshared Pairwise Session Keys
Security Threats in 802.11i PSK Mode
Test Your Understanding
802.1X Initial Authentication Mode Operation
The Elements of 802.1X Initial Authentication Mode
The 802.1X Authentication Process
Test Your Understanding
Beyond 802.11i Security
Rogue Access Points
Test Your Understanding
Evil Twin Access Points and Virtual Private Networks (VPNs)
Evil Twin Access Points
Normal Operation
Using a VPN to Defeat Evil Twins
Test Your Understanding
802.11 Wi-Fi Wireless LAN Management
Access Point Placement
Initial Planning
Installation and Initial Site Surveys
Ongoing Site Surveys
Test Your Understanding
Centralized Management
Test Your Understanding
Peer-to-Peer Protocols for The Internet of Things (IoT)
Bluetooth
Classic Bluetooth and Bluetooth Low Energy (LE)
Classic Bluetooth
Bluetooth Low Energy
Dual-Mode and Single-Mode Device
Test Your Understanding
One-to-One, Master–Slave Operation
One-to-One Connections
Master–Slave Control
Multiple Slaves and Masters
Test Your Understanding
Bluetooth Profiles
Test Your Understanding
Bluetooth Low Energy
Advertisements and Connections
Beacons
Profiles
Test Your Understanding
Other Promising IoT Transmission Standards
Near Field Communication (NFC)
Test Your Understanding
Wi-Fi Direct
Test Your Understanding
Zigbee and Z-Wave
Zigbee Controller (and Often Gateway)
Zigbee End Devices
Zigbee Routers
Dual-Band Use in Zigbee
Z-Wave
Test Your Understanding
Security in the Internet of Things
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Perspective Questions
Chapter 8 TCP/IP Internetworking I
Learning Objectives
Introduction
Test Your Understanding
IP Routing
Test Your Understanding
Hierarchical IPv4 Addressing
Single Networks versus “Networks” on the Internet
Hierarchical Addressing
Network Part
Subnet Part
Host Part
Variable Part Lengths
Hierarchical IPv6 Address
Test Your Understanding
Routers, Networks, and Subnets
Border Routers Connect Different Networks
Internal Routers Connect Different Subnets
Test Your Understanding
Network and Subnet Masks
32-Bit Strings
Prefix Notation for Masks
Masking IPv4 Addresses
Network Masks
Subnet Masks
Test Your Understanding
How Routers Process Packets
Switching versus Routing
Test Your Understanding
Routing Table
Rows Are Routes for All IPv4 Addresses in a Range
Test Your Understanding
Step 1: Finding All Row Matches
Row Number Column
Row Matches
Mask and Compare
The Default Row
The Need to Look at All Rows
Test Your Understanding
Step 2: Selecting the Best-Match Row
List of Matching Rows
Basic Rule (Always Used): Longest Match
Tie-Breaker Rule (Only When Needed): Best Metric Value
Test Your Understanding
Step 3: Sending the Packet Back Out
Interface
Next-Hop Router
Test Your Understanding
Cheating (Decision Caching)
Test Your Understanding
Routing Tables for IPv6 Addresses
The Internet Protocol Version 4 (IPv4) Fields
The First Row
Test Your Understanding
The Second Row
Test Your Understanding
The Third Row
IP Time to Live (TTL) Field
IP Protocol Field
Test Your Understanding
IP Options
Test Your Understanding
IP Version 6 (IPv6)
Outgrowing IPv4
Test Your Understanding
IPv6
Test Your Understanding
Writing IPv6 Addresses in Canonical Text Notation (RFC 5952)
Step 1: Convert to Hexadecimal Notation
Step 2: Remove Leading Zeroes from Segments
Step 3: Reducing Multiple Single-Zero Fields
Test Your Understanding
The IPv6 Main Header
Version Number Field
Traffic Class and Flow Label Fields
Payload Length
Hop Limit Field
No Checksum Field?
Test Your Understanding
Extension Headers
Main Header and Extension Header
Next Header Field
Test Your Understanding
The Transmission Control Protocol (TCP)
Fields in TCP/IP Segments
Sequence Numbers
Acknowledgment Numbers
Flag Fields
Options Fields
Test Your Understanding
Openings and Abrupt TCP Closes
Test Your Understanding
The Limited Maximum Length of User Datagram Protocol (UDP) Datagrams
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Perspective Questions
Chapter 8a Hands-On: Wireshark Packet Capture
Learning Objectives
Introduction
Getting Wireshark
Using Wireshark
Getting Started
Starting a Packet Capture
Getting Data
Stopping Data Collection
Looking at Individual Packets
Packet Summary Window
Window with Detailed Information on the Selected Packet
Hex Window
Options
Hands-On Exercises
Chapter 9 TCP/IP Internetworking II
Learning Objectives
Introduction
IP Subnetting
IPv4 Subnet Planning
The N = 2b-2 Rule
Balancing Subnet and Host Part Sizes
Test Your Understanding
IPv6 Subnetting
The Three Parts
The Fixed-Length 64-Bit Interface ID
Routing Prefix and Subnet ID
Creating the 64-Bit Interface ID
Canonical Text Representation and Modified EUI-64 Addresses
Test Your Understanding
Other TCP/IP Standards
Network Address Translation (NAT)
NAT Operation
NAT and Security
Expanding the Effective Number of IP Addresses
Using Private IP Addresses
Transparency and Problems
Test Your Understanding
The Domain Name System (DNS)
IP Address Lookup
Test Your Understanding
What Are Domains?
Root
Top-Level Domains
Second-Level Domains
Lower-Level Domains
Test Your Understanding
Domain Records
Test Your Understanding
DHCP Servers
Up-to-Date Configuration Information
Test Your Understanding
Simple Network Management Protocol (SNMP)
The Management Information Base (MIB)
SNMP Set Security
Test Your Understanding
Dynamic Routing Protocols
Interior Dynamic Protocols: OSPF and EIGRP
Exterior Dynamic Protocol: BGP
Test Your Understanding
Internet Control Message Protocol (ICMP) for Supervisory Messages at the Internet Layer
Supervisory Messages at the Internet Layer
Error Advisement
Echo (Ping)
Test Your Understanding
IPsec
Core IPsec Principles
Encapsulating Security Payload (ESP) and Authentication Header (AH)
ESP Transport and Tunnel Modes
Test Your Understanding
VPNs
IPsec Gateways
Test Your Understanding
Applying ESP Protections
ESP in Transport Mode
ESP Additions in Tunnel Mode
ESP Additions in IPv6
Test Your Understanding
Security Associations (SAs)
Methods and Options
Security Associations
Security Associations Can Be Asymmetric
Test Your Understanding
Creating Security Associations
Weak Methods and Options in Security Associations
Test Your Understanding
SSL / TLS VPNs
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Troubleshooting Question
Hands-On Project
Perspective Questions
Chapter 9a Cisco’s IOS Command Line Interface (CLI)
Command Line Interfaces (CLIs)
Test Your Understanding
CLI Essentials
Command Modes
Test Your Understanding
A More Complex Cisco IOS Interaction
Test Your Understanding
Activity
Chapter 10 Carrier Wide Area Networks (WANs)
Learning Objectives
LANs and WANs (and MANs)
LANs versus MANs and WANs
On and Off the Customer Premises
Economics
Technologies
Test Your Understanding
Other Aspects of WANs
Metropolitan Area Networks (MANs)
Single Networks versus Internets
Test Your Understanding
Carrier WAN Components and Business Uses
Test Your Understanding
The Telephone System
Test Your Understanding
Residential Wired Internet Access
Residential Asymmetric Digital Subscriber Line (ADSL) Service
Digital Subscriber Lines
Residential Customer Equipment and Service
Carrier End Office Equipment
Fiber to the Home (FTTH)
Test Your Understanding
Cable Modem Service
Telephone Service and Cable TV
Cable Modem Service
Test Your Understanding
ADSL versus Cable Modem Service
Test Your Understanding
Cellular Data Service
Cellular Service
Cells and Cellsites
Mobile Telephone Switching Office (MTSO)
Cellsite
Handoffs
Test Your Understanding
Why Cells?
Test Your Understanding
Cellular Data Speeds
Test Your Understanding
Cellular Generations: 3G, 4G, and 5G
Test Your Understanding
Wired Business WANs
Leased Lines
Test Your Understanding
Reaching the ISP via a Leased Line
Test Your Understanding
Leased Line Private Corporate WANs
Applying Figure 10-14
Managing the WAN
Test Your Understanding
Carrier WAN Services
Carrier Ethernet
Test Your Understanding
Multiprotocol Label Switching (MPLS)
Making Routing More Efficient
Operation
Benefits
Carrier MPLS
An Expensive Service
Extendibility
Test Your Understanding
WAN Optimization
Compression
Caching
Traffic Shaping
Application and Network Protocol Acceleration (Tuning)
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Hands-On
Perspective Questions
Chapter 11 Networked Applications
Learning Objectives
Introduction
Networked Applications and Application Architectures
Programming Networked Applications
Changing Server Locations
Test Your Understanding
Application Security
Cross-Site Scripting (XSS)
Test Your Understanding
Netflix Dives into the Amazon1
Netflix
Requirements
Server Outsourcing
Content Delivery
Test Your Understanding
Virtualization and Agility
Test Your Understanding
Infrastructure as a Service (IaaS) and Software as a Service (SaaS)
Infrastructure as a Service
Software as a Service
“As a Product” versus “As a Service”
Test Your Understanding
Clients Move into the Cloud
Test Your Understanding
Rain Clouds: Security
Test Your Understanding
Networks and The Cloud
Test Your Understanding
The World Wide Web
HTTP and HTML Standards
Test Your Understanding
Complex Webpages
Test Your Understanding
The Hypertext Transfer Protocol (HTTP)
HTTP Request Messages
HTTP Response Message
Test Your Understanding
Electronic Mail (E-Mail)
Delivery Standards
The Delivery Process
Transmission to the Sender’s Mail Host Using the Simple Mail Transfer Protocol (SMTP)
Web Mail and HTTP
SMTP between Mail Hosts
Immediate Delivery
Test Your Understanding
Receiving Standards
Test Your Understanding
E-Mail File Format Standards
ASCII and Searchable Header Fields
Graphics in E-Mail Messages
UNICODE
Test Your Understanding
Cryptographic E-Mail Protections
Link Encryption
End-to-End Encryption
File Encryption on Mail Hosts and Clients
Internal versus External Transmission
Test Your Understanding
Voice Over IP (VoIP)
Test Your Understanding
CODEC
Test Your Understanding
External Components
Test Your Understanding
VoIP Signaling
Test Your Understanding
The VoIP Transport Packet
VoIP Transport Packets
UDP with RTP at the Transport Layer
Test Your Understanding
Peer-to-Peer (P2P) Applications
Test Your Understanding
Skype
Test Your Understanding
Tor
Tor Routing
Anonymity, not Confidentiality
What Does the Exit Node Know?
Test Your Understanding
End-of-Chapter Questions
Thought Questions
Appendix Managing the Security Process
Learning Objectives
Failures in the Target Breach
The Plan–Protect–Respond Cycle
Security Planning Principles
Risk Analysis
A Risk Analysis Example
Countermeasure A
Countermeasure B
The Decision
Countermeasure Costs
Test Your Understanding
Comprehensive Security
Test Your Understanding
Defense in Depth and Weakest Links
Defense in Depth
Identify and Manage Weakest Links
Defense in Depth versus Identifying and Managing Weakest Links
Test Your Understanding
Identify and Manage Single Points of Takeover
Test Your Understanding
Least Permissions
Authorizations
Authorizations (Permissions)
Authorizations and Authentication Servers
Least Permissions
Example of Least Permissions
Test Your Understanding
Identity Management
Identity Management Mandates in Compliance Regulation
Directory Servers
Role-Based Access Control
Test Your Understanding
Segment the Network
Test Your Understanding
Organizational System Security
Goals
People and Training
Procedures, Processes, and the Separation of Duties
Organizational Structure and Roles
Policies, Priorities, and Culture
Communication
Active Management
Test Your Understanding
Policy-Based Security Management
Policies versus Implementation
Policies (What to Do)
Implementation (How to Do It)
Test Your Understanding
Oversight
Audits
Reading Log Files
Vulnerability Testing
Test Your Understanding
Implementation Guidance
Standards
Guidelines
But Considering Guidelines Is Mandatory
Test Your Understanding
Policy-Based Centralized Management
Test Your Understanding
Response
Test Your Understanding
Normal Incidents
Test Your Understanding
Major Incidents
Test Your Understanding
Rehearsing for Major Incidents
Desktop Exercises
Live Exercises
Test Your Understanding
Real-Time Fail-Over
Test Your Understanding
Intrusion Detection Systems (IDSs)
Intrusion Detection Systems
The Problem of Vigilance
Log Files
Distributed and Integrated Log Files
Alarms
Querying the Integrated Log File
Test Your Understanding
Some Final Pictures
End-of-Chapter Questions
Thought Questions
Log File Analysis Questions
Perspective Questions
Glossary
Index

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