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• Cloud computing network primer

  Cloud computing network architecture is moving toward a flat, leaf-spine topology, enabling reduced latency and balancing bandwidth, providing any-to-any connectivity within and between servers. Learn more in this primer. Continue Reading

• 10 Gigabit Ethernet tutorial: Connecting data centers, storage, LAN and beyond

  As IT teams build 10 Gigabit Ethernet networks, they'll have to choose the right 10 Gigabit Ethernet cabling and components in order to ensure data center optimization and prevent latency in the network. They''ll also need to be sure their networks ... Continue Reading

• NIS (Network Information System)

  NIS (Network Information System) is a network naming and administration system for smaller networks that was developed by Sun Microsystems. Continue Reading

• ROADM (reconfigurable optical add-drop multiplexer)

  An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network. ... (Continued) Continue Reading

• Introduction -- Chapter 1 of 'Network Analysis, Architecture and Design'

  This chapter introduces the analysis, architecture, and design processes. Described are the fundamental concepts of the processes of network analysis, architecture, and design; systems and services; as well as their characteristics and prepares the ... Continue Reading

• Definitions to Get Started

  • What is Cisco Certified Internetwork Expert (CCIE) certification?
  • What is Cisco Performance Routing (PfR)?
  • What is a MAC address and how do I find it?
  • What is cloud networking?

  • What is IPv6 (Internet Protocol version 6)?
  • What is TCP/IP?
  • What is ICMP (Internet Control Message Protocol)?
  • What is asynchronous?

  View All Definitions

• CCNA exam preparation guide

  A learning guide for CCNA exam preparation with book chapters, expert advice and quiz.Continue Reading

• maximum segment size (MSS)

  The maximum segment size (MSS) is the largest amount of data, specified in bytes, that a computer or communications device can handle in a single, unfragmented piece.Continue Reading

• Kbps (kilobits per second)

  In the U.S., Kbps stands for kilobits per second (thousands of bits per second) and is a measure of bandwidth (the amount of data that can flow in a given time) on a data transmission medium.Continue Reading

• Routing versus routed protocols and the CCNA

  Many networking professionals don't really know what a routing protocol is or does. There are those who also couldn't tell you the difference between a routing protocol and a routed protocol. If you are working as a network engineer or preparing to ...Continue Reading

• OpenNMS, an introduction: Affordable network management

  Open source expert Maria Winslow brings network managers up to speed about the free open source enterprise-grade network-management system OpenNMS.Continue Reading

• Wireless networking (CWNA)

  Do you think you know a lot about wireless networking? Are you interested in taking the Certified Wireless Network Administrator (CWNA) exam? Test your knowledge with our 13-question quiz on wireless networking!Continue Reading

• Content Delivery Networking: an introduction

  Doug Downer gives an overview of Content Delivery Network (CDN) technology and its components, which bring together the functionality of file access, caching, multimedia delivery and application processing.Continue Reading

• Securing your Layer 2 network: Don't overlook the basics

  Before dropping substantial cash on a fancy surveillance system, most sensible home owners would ensure that their doors and windows were locked. Similarly, there are simple security measures you can take to configure your systems for Layer 2 ...Continue Reading

• home server

  A home server is a computer that functions as a server in a client-server home network.Continue Reading

• 802.11 Learning Guide

  802.11 is perhaps the fastest-changing network protocol around. We've gathered a wealth of information to get you up-to-speed quickly on the various specifications. Learn about all the 802.11 wireless LAN (WLAN) specifications in this learning guide.Continue Reading

• Wireless LAN quiz

  Take our wireless LAN quiz to find out how much you know about WLAN technologies.Continue Reading

• Wireless LAN quiz answers

  Wireless LANs quiz answer key.Continue Reading

• Cisco Certified Network Professional (CCNP)

  Cisco Certified Network Professional (CCNP) is an intermediate-level certification in the Cisco certified professional program.Continue Reading

• connection

  In telecommunication and computing in general, a connection is the successful completion of necessary arrangements so that two or more parties (for example, people or programs) can communicate at a long distance.Continue Reading

• well-known port numbers

  The well-known port numbers are the port numbers that are reserved for assignment by the Internet Corporation for Assigned Names and Numbers (ICANN) for use by the application end points that communicate using the Internet's Transmission Control ...Continue Reading

• Guide to network performance management

  This guide introduces you to network management best practices and pitfalls to avoid, and provides troubleshooting help and advice for monitoring and maintaining your network for best performance.Continue Reading

• What are the basic features of CIDR and what are its advantages and disadvantages compared to IPv6?

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• I need a very basic VPN solution to connect two offices to allow two servers to talk to one another.

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• Which networking courses, such as MCSE, CCNA, etc., are best to learn the basics?

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• Learning Guide: Voice over IP basics

  This guide contains all the VoIP basics and essentials you will need when implementing an IP telephony network.Continue Reading

• LearnIT: Virtual LANs

  What is a virtual LAN? This guide explains the basics in one easy to read format.Continue Reading

• Virtual LAN quiz

  This quiz corresponds with Learn IT: virtual LANContinue Reading

• WAN technology quiz

  Test your knowledge of WAN design quiz with our Networking Know IT All quiz.Continue Reading