Contents
Introduction
Part I: Networking Basics
Day 31: Network Devices, Components, and Diagrams
CCNA 640-802 Exam Topics
Key Points
Devices
Switches
Routers
Media
LANs and WANs
Networking Icons
Physical and Logical Topologies
The Hierarchical Network Model
The Enterprise Architecture
Network Documentation
Study Resources
Day 30: Network Models and Applications
CCNA 640-802 Exam Topics
Key Points
The OSI and TCP/IP Models
OSI Layers
TCP/IP Layers and Protocols
Protocol Data Units and Encapsulation
Growth of Network-Based Applications
Quality of Service
Increased Network Usage
The Impact of Voice and Video on the Network
Study Resources
Day 29: Network Data Flow from End-to-End
CCNA 640-802 Exam Topics
Key Points
The TCP/IP Application Layer
The TCP/IP Transport Layer
TCP Header
Port Numbers
Error Recovery
Flow Control
Connection Establishment and Termination
UDP
The TCP/IP Internet Layer
The TCP/IP Network Access Layer
Data Encapsulation Summary
Using Layers to Troubleshoot
Study Resources
Part II: Switching Concepts and Configuration
Day 28: Connecting Switches and Ethernet Technology
CCNA 640-802 Exam Topics
Key Topics
Ethernet Overview
Legacy Ethernet Technologies
CSMA/CD
Legacy Ethernet Summary
Current Ethernet Technologies
UTP Cabling
Benefits of Using Switches
Ethernet Addressing
Ethernet Framing
The Role of the Physical Layer
Study Resources
Day 27: Network Segmentation and Switching Concepts
CCNA 640-802 Exam Topics
Key Topics
Evolution to Switching
Switching Logic
Collision and Broadcast Domains
Frame Forwarding
Switch Forwarding Methods
Symmetric and Asymmetric Switching
Memory Buffering
Layer 2 and Layer 3 Switching
Accessing and Navigating Cisco IOS
Connecting to Cisco Devices
CLI EXEC Sessions
Using the Help Facility
CLI Navigation and Editing Shortcuts
Command History
IOS Examination Commands
Subconfiguration Modes
Storing and Erasing Configuration Files
Study Resources
Day 26: Basic Switch Configuration and Port Security
CCNA 640-802 Exam Topics
Key Topics
Basic Switch Configuration Commands
Configuring SSH Access
Configuring Port Security
Shutting Down and Securing Unused Interfaces
Study Resources
Day 25: Verifying and Troubleshooting Basic Switch Configurations
CCNA 640-802 Exam Topics
Key Points
Troubleshooting Methodology
Verifying Network Connectivity
Interface Status and the Switch Configuration
Interface Status Codes
Duplex and Speed Mismatches
Common Layer 1 Problems On �Up� Interfaces
CDP as a Troubleshooting Tool
Study Resources
Day 24: Switching Technologies and VLAN Concepts
CCNA 640-802 Exam Topics
Key Points
VLAN Concepts
Traffic Types
Types of VLANs
Voice VLAN Example
Trunking VLANs
Dynamic Trunking Protocol
VTP Concepts
VTP Modes
VTP Operation
VTP Pruning
STP Concepts and Operation
RSTP Concepts and Operation
Configuring and Verifying STP
PVST+, PVRST, and MIST
Configuring and Verifying the BID
PortFast
Configuring RSTP
Troubleshooting STP
Study Resources
Day 23: VLAN and Trunking Configuration and Troubleshooting
CCNA 640-802 Exam Topics
Key Points
Sample Topology
VLAN Configuration and Verification Commands
Configuring and Verifying Trunking
Troubleshooting VLAN and Trunking Problems
Study Resources
Day 22: VTP and InterVLAN Routing Configuration and Troubleshooting
CCNA 640-802 Exam Topics
Key Points
VTP Configuration and Verification
VTP Troubleshooting
Inter-VLAN Routing Configuration and Verification
Troubleshooting Inter-VLAN Routing
Study Resources
Part III: Addressing the Network
Day 21: IPv4 Address Subnetting
CCNA 640-802 Exam Topics
Key Topics
IPv4 Addressing
Header Format
Classes of Addresses
Purpose of the Subnet Mask
Subnetting in Four Steps
Determine How Many Bits to Borrow
Determine the New Subnet Mask
Determine the Subnet Multiplier
List the Subnets, Host Ranges, and Broadcast Addresses
Subnetting Example 1
Subnetting Example 2
Subnetting Example 3
VLSM
Summarizing Subnet Addresses
Private and Public IP Addressing
Study Resources
Day 20: Host Addressing, DHCP, and DNS
CCNA 640-802 Exam Topics
Key Topics
Addressing Devices
ARP
DNS
DHCP
Configuring on a Cisco Router as a DHCP Server
Network Layer Testing Tools
Ping
Study Resources
Day 19: Basic IPv6 Concepts
CCNA 640-802 Exam Topics
Key Topics
Overview of IPv6
IPv6 Address Structure
Conventions for Writing IPv6 Addresses
Conventions for Writing IPv6 Prefixes
IPv6 Global Unicast Address
Reserved, Private, and Loopback Addresses
The IPv6 Interface ID and EUI-64 Format
IPv6 Address Management
Transitioning to IPv6
Study Resources
Part IV: Routing Concepts and Configuration
Day 18: Basic Routing Concepts
Key Topics
Packet Forwarding
Path Determination and Switching Function Example
Routing Methods
Classifying Dynamic Routing Protocols
IGP and EGP
Distance Vector Routing Protocols
Link-State Routing Protocols
Classful Routing Protocols
Classless Routing Protocols
Dynamic Routing Metrics
Administrative Distance
IGP Comparison Summary
Routing Loop Prevention
Link-State Routing Protocol Features
Building the LSDB
Calculating the Dijkstra Algorithm
Convergence with Link-State Protocols
Study Resources
Day 17: Connecting and Booting Routers
CCNA 640-802 Exam Topics
Key Topics
Router Internal Components
IOS
Router Bootup Process
Router Ports and Interfaces
Router Connections
Study Resources
Day 16: Basic Router Configuration and Verification
CCNA 640-802 Exam Topics
Key Topic
Basic Router Configuration
Verifying Network Connectivity
Study Resources
Day 15: Managing Cisco IOS and Configuration Files
CCNA 640-802 Exam Topics
Key Topics
The Cisco IOS File System
IFS Commands
URL Prefixes for Specifying File Locations
Commands for Managing Configuration Files
Cisco IOS File Naming Conventions
Manage IOS Images
Backing Up an IOS image
Restoring an IOS Image
Recovering an IOS Image Using a TFTP Server
Recovering an IOS Image Using Xmodem
Recovering a Lost Password
Study Resources
Day 14: Static, Default, and RIP Routing
CCNA 640-802 Exam Topics
Key Topics
Static Route Configuration
Static Routes Using the �Next Hop� Parameter
Static Routes Using the Exit Interface Parameter
Default Static Routes
RIP Concepts
RIPv1 Message Format
RIPv1 Operation
RIPv1 Configuration
RIPv1 Verification and Troubleshooting
Passive Interfaces
Automatic Summarization
Default Routing and RIPv1
RIPv2 Configuration
Disabling Autosummarization
RIPv2 Verification and Troubleshooting
Study Resources
Day 13: EIGRP Routing
CCNA 640-802 Exam Topics
Key Topics
EIGRP Operation
EIGRP Message Format
RTP and EIGRP Packet Types
DUAL
Administrative Distance
EIGRP Configuration
The network Command
Automatic Summarization
Manual Summarization
EIGRP Default Route
Modifying the EIGRP Metric
Modifying Hello Intervals and Hold Times
EIGRP Verification and Troubleshooting
Study Resources
Day 12: OSPF Routing
CCNA 640-802 Exam Topics
Key Topics
OSPF Operation
OSPF Message Format
OSPF Packet Types
Neighbor Establishment
Link-State Advertisements
OSPF Network Types
DR/BDR Election
OSPF Algorithm
Link-State Routing Process
OSPF Configuration
The router ospf Command
The network Command
Router ID
Modifying the OSPF Metric
Controlling the DR/BDR Election
Redistributing a Default Route
Modifying Hello Intervals and Hold Times
Verifying and Troubleshooting OSPF
Study Resources
Day 11: Troubleshooting Routing
CCNA 640-802 Exam Topics
Key Topics
The Basic Commands
VLSM Troubleshooting
Discontiguous Networks
Troubleshooting RIP
Troubleshooting EIGRP and OSPF Interface Issues
Troubleshooting Neighbor Adjacency Issues
Study Resources
Part V: Wireless Concepts and Configuration
Day 10: Wireless Standards, Components, and Security
CCNA 640-802 Exam Topics
Key Topics
Wireless Standards
Wireless Modes of Operation
Wireless Frequencies
Wireless Encoding and Channels
Wireless Coverage Area
CSMA/CA
Wireless Security Risks
Wireless Security Standards
Study Resources
Day 9: Configuring and Troubleshooting Wireless Networks
CCNA 640-802 Exam Topics
Key Topics
Implementing a WLAN
Wireless LAN Implementation Checklist
Wireless Troubleshooting
Study Resources
Part VI: Basic Security Concepts and Configuration
Day 8: Mitigating Security Threats and Best Practices
CCNA 640-802 Exam Topics
Key Topics
The Importance of Security
Attacker Terminology
Thinking Like an Attacker
Balancing Security and Availability
Developing a Security Policy
Common Security Threats
Vulnerabilities
Threats to Physical Infrastructure
Threats to Networks
Types of Network Attacks
General Mitigation Techniques
Host and Server Security
Intrusion Detection and Prevention
Security Appliances and Applications
Maintaining Security
Study Resources
Part VII: ACL and NAT Concepts and Configuration
Day 7: ACL Concepts and Configurations
CCNA 640-802 Exam Topics
Key Topics
ACL Concepts
Defining an ACL
Processing Interface ACLs
Types of ACLs
ACL Identification
ACL Design Guidelines
Configuring Standard Numbered ACLs
Standard Numbered ACL: Permit Specific Network
Standard Numbered ACL: Deny a Specific Host
Standard Numbered ACL: Deny a Specific Subnet
Standard Numbered ACL: Deny Telnet Access to the Router
Configuring Extended Numbered ACLs
Extended Numbered ACL: Deny FTP from Subnets
Extended Numbered ACL: Deny Only Telnet from Subnet
Configuring Named ACLs
Standard Named ACL Steps and Syntax
Standard Named ACL: Deny a Single Host from a Given Subnet
Extended Named ACL Steps and Syntax
Extended Named ACL: Deny a Telnet from a Subnet
Adding Comments to Named or Numbered ACLs
Complex ACLs
Study Resources
Day 6: Verifying and Troubleshooting ACL Implementations
CCNA 640-802 Exam Topics
Key Topics
Verifying ACLs
Troubleshooting ACLs
Problem 1: Host Has No Connectivity
Problem 2: Denied Protocols
Problem 3: Telnet is Allowed #1
Problem 4: Telnet Is Allowed #2
Problem 5: Telnet Is Allowed #3
Study Resources
Day 5: NAT Concepts, Configuration, and Troubleshooting
CCNA 640-802 Exam Topics
Key Topics
NAT Concepts
A NAT Example
Dynamic and Static NAT
NAT Overload
NAT Benefits
NAT Limitations
Configuring Static NAT
Configuring Dynamic NAT
Configuring NAT Overload
Verifying NAT
Troubleshooting NAT
Study Resources
Part VIII: WAN Concepts and Configuration
Day 4: WAN and VPN Technologies
CCNA 640-802 Exam Topics
Key Topics
WAN Technology Concepts
WAN Components and Devices
WAN Physical Layer Standards
WAN Data Link Protocols
WAN Switching
WAN Connection Options
Dedicated Connection Options
Circuit-Switched Connection Options
Packet-Switched Connection Options
Internet Connection Options
Choosing a WAN Link Option
VPN Technology
VPN Benefits
Types of VPN Access
VPN Components
Establishing Secure VPN Connections
Study Resources
Day 3: PPP Configuration and Troubleshooting
CCNA 640-802 Exam Topics
Key Topics
HDLC
HDLC Encapsulation
Configuring HDLC
Verifying HDLC
PPP Concepts
The PPP Frame Format
PPP Link Control Protocol (LCP)
PPP Configuration and Verification
Basic PPP
Study Resources
Day 2: Frame Relay Configuration and Troubleshooting
CCNA 640-802 Exam Topics
Key Topics
Frame Relay Concepts
Frame Relay Components
Frame Relay Topologies
NBMA Limitations and Solutions
Inverse ARP and LMI Concepts
Inverse ARP and LMI Operation
Configuring and Verifying Frame Relay
Full Mesh with One Subnet
Partial Mesh with One Subnet per PVC
Frame Relay Verification
Troubleshooting WAN Implementations
Troubleshooting Layer 1 Problems
Troubleshooting Layer 2 Problems
Troubleshooting Layer 3 Problems
Study Resources
Day 1: CCNA Skills Review and Practice
Key Topics
CCNA Skills Practice
Introduction
Topology Diagram
Addressing Table
VLAN Configuration and Port Mappings
ISP Configuration
Task 1: Configure Frame Relay in a Hub-and-Spoke Topology
Task 2: Configure PPP with CHAP
Task 3: Configure Static and Dynamic NAT on HQ
Task 4: Configure Default Routing
Task 5: Configure Inter-VLAN Routing
Task 6: Configure and Optimize EIGRP Routing
Task 7: Configure VTP, Trunking, the VLAN Interface, and VLANs
Task 8: Assign VLANs and Configure Port Security
Task 9: Configure STP
Task 10: Configure DHCP
Task 11: Configure a Firewall ACL
CCNA Skills Practice (Answers)
Task 1: Configure Frame Relay in a Hub-and-Spoke Topology
Task 2: Configure PPP with CHAP
Task 3: Configure Static and Dynamic NAT on HQ
Task 4: Configure Default Routing
Task 5: Configure Inter-VLAN Routing
Task 6: Configure and Optimize EIGRP Routing
Task 7: Configure VTP, Trunking, the VLAN Interface, and VLANs
Task 8: Assign VLANs and Configure Port Security
Task 9: Configure STP
Task 10: Configure DHCP
Task 11: Configure a Firewall ACL
CCNA Skills Challenge
Part IX: Exam Day and Post-Exam Information
Exam Day
What You Need for the Exam
What You Should Receive After Completion
Summary
Post-Exam Information
Receiving Your Certificate
Determining Career Options
Examining Certification Options
If You Failed the Exam
Summary
Index
