You Will Learn How To
- Configure, maintain and troubleshoot multiple network configurations
- Configure and test network adapters for optimum LAN performance
- Install a switched network with VLANs
- Access and secure your wireless network
- Manage IP address assignments and subnetting
- Identify and resolve application layer issues using protocol analysis
Course Benefits
Providing users with constant access to critical data is essential for the success of today's rapidly evolving networks. In this course, you gain the skills necessary to configure networks and resolve problems related to cables, wireless connections, protocols and applications. You learn to configure, maintain and troubleshoot networks using a comprehensive set of tools and techniques.
Who Should Attend
Anyone involved in designing, configuring, installing or maintaining a network. Networking experience at the level of Course 450, "
Networking Comprehensive Introduction," or equivalent knowledge is assumed.
Hands-On Training
You gain hands-on experience configuring and troubleshooting a network. Exercises include:
- Testing cables and connections using a cable scanner
- Diagnosing cable and connection configuration to ensure operation
- Analyzing traffic with Wireshark
- Upgrading to a switched network
- Implementing VLANs and 802.1X
- Troubleshooting Virtual Machines
- Setting up a wireless network
- Allocating an IP address with DHCP
- Interpreting a routing table
- Troubleshooting name resolution
Course 451 Content
Networking Overview
Fundamentals of a network
- Types of networks
- Hardware and software
Applying the OSI model to troubleshooting
- The 7-layer model
- Executing a troubleshooting methodology
- Employing fault isolation at each layer
Connecting the Physical Layer
Distinguishing media terminology
- Twisted pair
- Fiber
- Wireless
- EIA/TIA standards
Cabling and port configuration
- Strategies for successful configuration
- Validating wiremap with cable scanner
- MDI/MDI-X port configuration
- Specifying various fiber types
Building the Data Link Layer
Working with network adapters
- Designating Layer 2 MAC address
- Demystifying access methods: Collision Detection/Avoidance
- Displaying NIC configuration
Assessing LAN topologies
- Logical and physical topologies
- Star
- Hybrid
- Mesh
LAN and WAN standards at Layer 2
- 802 standards
- Wireless
- Fast and Gigabit Ethernet
- xDSL
- Cable modem
- Frame Relay
- ATM
Interfacing with the network
- Testing speed and duplex settings
- Authenticating using 802.1X and EAP
Switching at the Data Link Layer
Analyzing protocols
- Differentiating between Ethernet and 802.3 frame formats
- Choosing a hardware or software analyzer
- Capturing and filtering traffic with Wireshark
Solving network congestion
- Deploying switches
- Interpreting Layer 2 traffic
- Upgrading to a switch
Implementing VLANs
- Defining the VLAN
- Interconnecting VLANs across switches
- Port tagging with 802.1Q
Wireless Networking
Traversing the wireless topology
- Network types and standards
- Selecting infrastructure or ad hoc mode
- IBSS
- BSS
- ESS
Building the wireless network
- Setting up the access point
- Configuring the SSID on a client
- Securing the wireless traffic
Integrating the Network and Transport Layers
The role of TCP/IP
- The TCP/IP protocol suite
- OSI model vs. TCP/IP model
Configuring IP addresses
- Characterizing NetID and HostID
- Public vs. private addresses
- Allocating addresses with DHCP
- Managing addresses with ifconfig/ipconfig
- Resolving address conflicts
Enabling the routing function
- Subnetting and the adjacency test
- Interpreting a routing table
Investigating protocol headers
- TCP
- UDP
- IP
- ARP
- ICMP
- Identifying common protocol issues
Troubleshooting the Application Layer
Managing OS functions
- File
- Print
- Messaging
- Database
Fine-tuning network services
- DNS
- Web services
- Debugging name resolution with nslookup
Managing Your Network
- Identifying network management components using SNMP
- Querying the MIB for device status
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