Network Configuration and Troubleshooting Training

Course 451

  • Duration: 4 days
  • Labs: Yes
  • Language: English
  • 23 CompTIA CEUs
  • 23 NASBA CPE Credits (live, in-class training only)
  • Level: Intermediate

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 Delivery Methods

  • In-Person

  • Online

Network Configuration and Troubleshooting Training Information

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.


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

Network Configuration and Troubleshooting Training Outline

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

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

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

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

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

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

Managing OS functions

  • File
  • Print
  • Messaging
  • Database

Fine-tuning network services

  • DNS
  • Web services
  • Debugging name resolution with nslookup

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Network Configuration and Troubleshooting Training FAQs

A number of various tools are used in this course to provide you with troubleshooting experience at all levels of the network configuration and maintenance process. Those tools include: NIC diagnostic, Protocol analyzer, ping, PathPing and TRACERT, and PC configuration and diagnostic utilities.

Yes! We know your busy work schedule may prevent you from getting to one of our classrooms which is why we offer convenient online training to meet your needs wherever you want, including online training.

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