CompTIA Network+
  • Introduction
  • 1.Computer Network Fundamentals
    • 1.1.Network Components
    • 1.2.Networks Defined by Geography
    • 1.3.Bus Topology
    • 1.4.Star Topology
    • 1.5.Hub-and-Spoke Topology
    • 1.6.Full-Mesh Topology
    • 1.7.Peer-to-Peer Networks
    • 1.8.Client/Server Networks
    • 1.9.Internet, Intranet, and Extranet
  • 2.The OSI Reference Model
    • 2.1.The OSI Model
    • 2.2.Layer 1: The Physical Layer
    • 2.3
    • 2.4.Layer 3: The Network Layer
    • 2.5.Layer 4: The Transport Layer
    • 2.6.Layer 5: The Session Layer
    • 2.7.Layer 6: The Presentation Layer
    • 2.8.Layer 7: The Application Layer
  • 3.Network Components
    • 3.1.Network Hierarchy
    • 3.2.Three-layer hierarchical network design
    • 3.3.Two-Tier Collapsed Core Design
    • 3.4.Twisted-Pair Cable
    • 3.5.Wiring Standards
    • 3.6.Rack
  • 4. Ethernet Technology
    • 4.1.Principles of Ethernet
    • 4.2.CSMA/CD
    • 4.3.Collision Domain
    • 4.4.Distance and Speed Limitations
  • 5.IPv4 and IPv6 Addresses
    • 5.1.IPv4 Addresses
    • 5.2.Types of Addresses
  • 6.Routing IP Packets
    • 6.1.Basic Routing Processes
    • 6.2.Directly Connected Routes
  • 7.Wide-Area Networks
    • 7.1.WAN Connection Types
  • 8.Wireless LANs
    • 8.1.WLAN Concepts and Components
    • 8.2.Antennas
    • 8.3.Frequencies and Channels
    • 8.4.WLAN Standards
    • 8.5.Types of WLANs
    • 8.6.Security Standards --288
    • 8.7.Wireless AP Placement
    • 8.8.Wifi Analyzer
  • 9.Network Optimization
    • 9.1.Single points of failure
  • 10.Command-Line Tools
    • 10.1.ipconfig command
    • 10.2.ping command
    • 10.3.tracert command
  • 11.Network Security
    • 11.1.Security Fundamentals
  • Practice Tests - Part 1
  • Practice Tests - Part 2
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  1. 1.Computer Network Fundamentals

1.6.Full-Mesh Topology

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Last updated 5 years ago

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1.Every site has a direct WAN connection to every other site.

Benefit: An optimal route exists between any two sites.

Drawback: A full-mesh network can be difficult and expensive to scale, because the addition of one new site requires a new WAN link between the new site and every other existing site.

2.The number of required WAN connections can be calculated with the formula w = n * ( n – 1) / 2, where w = the number of WAN links and n = the number of sites. For example, a network with 10 sites would require 45 WAN connections to form a fully meshed network: 45 = 10 * (10 – 1) / 2.

Benefit: A full-mesh network is fault tolerant because one or more links can be lost and reachability between all site might still be maintained.

3.Troubleshooting a fullmesh network is relatively easy because each link is independent of the other links.