Network Configuration and Troubleshooting Training

The ability to provide users with constant access to critical data is essential for the success of today's rapidly evolving networks. In this Network Configuration and Troubleshooting training course, you gain a comprehensive set of tools and techniques needed to configure and maintain networks proficiently and identify and resolve problems related to cables, wireless connections, protocols, and applications. In addition, you will learn to implement VLANs in a switched network, access and secure your wireless network, and manage IP address assignments and subnetting.

Network Configuration and Troubleshooting Training Benefits

• In this Networking course, you will learn how to:

  • Configure, maintain, and troubleshoot multiple network configurations.
  • Implement VLANs in a switched network.
  • Access and secure your wireless network.
  • Manage IP address assignments and subnetting.

• Prerequisites

  Attendees should have networking experience at the level of Learning Tree course 450, Introduction to Networking Training.

Network Configuration and Troubleshooting Training Outline

Module 1: Networking Overview

Fundamentals of a network

• Types of networks
• Hardware and software

Applying the OSI model to troubleshooting

• Executing a troubleshooting methodology
• Employing fault isolation at each layer

Module 2: 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

Module 3: Building the Data Link Layer

Working with network adapters

• Designating Layer 2 MAC address
• Demystifying access methods
• 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

Module 4: Switching at the Data Link Layer

Analyzing protocols

• Differentiating Ethernet and 802.3 frame formats
• Capturing and filtering traffic with Wireshark

Solving network congestion

• Deploying switches
• Interpreting Layer 2 traffic

Implementing VLANs

• Defining the VLAN
• Port tagging with 802.1Q
• Interconnecting VLANs across switches

Module 5: 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

Module 6: Integrating the Network and Transport Layers

The role of TCP/IP

• TCP/IP protocol suite
• OSI model vs. TCP/IP model

Configuring IP addresses

• 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

Module 7: Troubleshooting the Application Layer

Managing OS functions

• File
• Print
• Messaging
• Database

Fine-tuning network services

• DNS
• Web services
• Debugging name resolution with nslookup