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SearchNetworking : Network operations news, advice and technical information
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Get the latest on network support, troubleshooting and daily maintenance, helpdesk management and training.
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Cisco's Information Security Specialist Certification
Cisco dishes up an entry-level security certification that meets tough government security standards.
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How can you update your certifications on the job?
In this response, our Cisco certifications expert, David Minutella, answers how one might obtain a certification on the job.
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The official protocol of the Internet! -- Chapter 1 of "TCP/IP first-step"
Chapter 1 of TCP/IP first-step by Mark Sportack describes the basics of TCP/IP and illustrates how it relates to the Internet. Further, it explains the five critical communications functions that TCP/IP performs and explains what TCP/IP can't do.
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AP data rates
Our expert, Mike Puglia, gives us a synopsis on WLAN APs and their rates compared to client data rates.
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What's the difference between DNS and WINS?
In this response, our expert, Chris Partsenidis, explains the differences between DNS and WINS.
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What can you get with MCSE, CCNA and CCNP certifications?
In this Q&A, our expert, David Minutella, tells us what you can get career-wise after obtaining MCSE, CCNA and CCNP certifications.
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How a Switch Works -- Chapter 6 of 'LAN Switching First-Step'
How a Switch Works explains how to differentiate among unicast, multicast, and broadcast transmission methods; store-and-forward, cut-through, and fragment-free switching mechanisms and then describes Layer 2 and Layer 3 switching operation.
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Implementing 802.11g: Stop dropped connections
What happens when you try implementing wireless 802.11g in a place with no open spaces? You probably get unreliable service. Lisa Phifer takes the mystery out of dropped connections in this tip.
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Are there any certifications that are globally recognized?
In this response, our expert, Ed Tittel, answers whether or not there are any globally recognized certifications.
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How to Build a Local (Network) Roadway -- Chapter 4 of 'Computer Networking First-Step'
How to Build a Local (Network) Roadway covers basics on how networks work, what they're made of, and the benefits of using a structured cabling system. You will learn how computers can communicate binary 1s and 0s using electricity, list the components of popular LAN cables and connectors, compare and contrast straight-through and cross-over Ethernet cables, explain the operation of an Ethernet hub, and summarize the benefits of using a structured cabling system.
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