Network Management Strategies for the CIO
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port interface card (PIC)
A port interface card (PIC) is a computer circuit board that provides multiple, diverse interfaces for connections to external networks. In effect, a PIC is an enhanced network interface card (NIC)... (Continued) Definition
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Why do Linksys WMP300N wireless cards have three antenna connectors?
Before you make a larger antenna for your wireless network card, know how the Linksys WMP300N connects to its antenna, and understand why it has three connectors. Ask the Expert
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thermoelectric cooling
Thermoelectric cooling is a way to remove thermal energy from a medium, device or component by applying a voltage of constant polarity to a junction between dissimilar electrical conductors or semiconductors...(continued) Definition
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Why are patch panels required for cabling networks?
When cabling networks, you may wonder why it's a requirement to have patch panels and why they aren't connected to switches. This expert response explains why and how they're used in a rack with multiple switches and ports. Ask the Expert
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How to configure Cisco's 3750 Layer 3 switch for fallback IOS booting
Our switching expert explains how to configure your Cisco 3750 Layer 3 (L3) switch to automatically boot your system from the IOS kept on the TFTP server, in this response on fallback booting. Ask the Expert
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On a full-duplex T1 circuit, what's the bandwidth speed in both directions?
Find out if a full-duplex T1 circuit splits its bandwidth between the TX and RX directions. Ask the Expert
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Simulators for practicing Cisco's CCNP routing and switching exam
To practice for the CCNP routing and switching exam our Cisco expert, David Minutella, recommends this simulator. Ask the Expert
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How can I resolve this remote worker's VPN connection problem?
Our network administration expert explains why this remote worker cannot connect to their company's virtual private network (VPN) through their Linksys router, in this expert response. Ask the Expert
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Retrospective network analysis might have found Google's lost billions
When Google's stock price mysteriously dropped hundreds of points within minutes, network professionals probably called on retrospective network analysis technology to solve the problem. Article
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What is the main advantage of having a Layer 3 switch over a router?
In this Q&A, our router expert, Sudhanshu Gupta, talks about the advantages of having an L3 switch over a router. Ask the Expert