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Network Configuration and Troubleshooting



Course Number



4 Days

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The ability to provide users with constant access to critical data is essential for the success of today's rapidly evolving networks. In this training course, you gain a comprehensive set of tools and techniques needed to proficiently configure and maintain networks, as well as identify and resolve problems related to cables, wireless connections, protocols, and applications.

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

Important Course Information


  • Networking experience at the level of:

Course Outline

  • 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
  • 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
  • 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

Analysing 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
  • 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

  • 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
  • Troubleshooting the Application Layer

Managing OS functions

  • File
  • Print
  • Messaging
  • Database

Fine-tuning network services

  • DNS
  • Web services
  • Debugging name resolution with nslookup
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Convenient Ways to Attend This Instructor-Led Course

Hassle-Free Enrolment: No advance payment required to reserve your seat.
Tuition Fee due 30 days after you attend your course.

In the Classroom

Live, Online

Private Team Training

In the Classroom — OR — Live, Online

Tuition Fee — Standard: £2095  

8 - 11 Oct ( 4 Days)
9:00 AM - 4:30 PM BST
London / Online (AnyWare) London / Online (AnyWare) Reserve Your Seat

4 - 7 Feb ( 4 Days)
9:00 AM - 4:30 PM GMT
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14 - 17 Apr ( 4 Days)
9:00 AM - 4:30 PM BST
London / Online (AnyWare) London / Online (AnyWare) Reserve Your Seat

AFTERNOON START: Attend these live courses online via Anyware

24 - 27 Sep ( 4 Days)
2:00 PM - 9:30 PM BST
New York / Online (AnyWare) New York / Online (AnyWare) Reserve Your Seat

19 - 22 Nov ( 4 Days)
2:00 PM - 9:30 PM GMT
Herndon, VA / Online (AnyWare) Herndon, VA / Online (AnyWare) Reserve Your Seat

31 Mar - 3 Apr ( 4 Days)
2:00 PM - 9:30 PM BST
New York / Online (AnyWare) New York / Online (AnyWare) Reserve Your Seat

19 - 22 May ( 4 Days)
2:00 PM - 9:30 PM BST
Herndon, VA / Online (AnyWare) Herndon, VA / Online (AnyWare) Reserve Your Seat

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Private Team Training

Enrolling at least 3 people in this course? Consider bringing this (or any course that can be custom designed) to your preferred location as a private team training.

For details, call 0800 282 353 or Click here »

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Tuition Fee


In Classroom or



Private Team Training

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Course Tuition Fee Includes:

After-Course Instructor Coaching
When you return to work, you are entitled to schedule a free coaching session with your instructor for help and guidance as you apply your new skills.

Free Course Exam
You can take your Learning Tree course exam on the last day of your course or online any time after class.


Training Hours

Standard class hours:
9:00 a.m. - 4:30 p.m.

Last day class hours:
9:00 a.m. - 3:30 p.m.

Free Course Exam – Last Day:
3:30 p.m. - 4:30 p.m.

Each class day:
Informal discussion with instructor about your projects or areas of special interest:
4:30 p.m. - 5:30 p.m.

AFTERNOON START class hours:
2:00 p.m. - 9:30 p.m.

Last day class hours:
2:00 p.m. - 8:30 p.m.

Free Course Exam – Last Day:
8:30 p.m. - 9:30 p.m.

Each class day:
Informal discussion with instructor about your projects or areas of special interest
9:30 p.m. - 10:30 p.m.

Enhance Your Credentials with Professional Certification

Learning Tree's comprehensive training and exam preparation guarantees that you will gain the knowledge and confidence to achieve professional certification and advance your career.

This course is approved by CompTIA for continuing education units (CEUs). For additional information and to confirm which courses are eligible towards your CompTIA certification, click here.

“Learning Tree instructors actively work in their field. That means they can discuss the subject thoroughly”.

- D. Bailey, Analyst Programmer
Thames Valley University

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