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How do I switch from Telecom to Global System for Mobile communication (GSM)?
Learn how to start a Global System for Mobile communication (GSM) career with your Telecom experience, in this expert response from our training and certification expert, Ed Tittel.31 Aug 2007
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Are high-gain antennas needed on both AP and client sides?
See if you need a high-gain antenna on both the AP and client side to boost wireless range and signal quality. Wireless expert Lisa Phifer elaborates on the metrics and reasoning.31 Aug 2007
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Must my server's wireless card have a static IP address?
Are you able to reach the server but not the Internet over the server's wireless uplink? Find out if your server's wireless card needs to have a static IP address in this expert response.31 Aug 2007
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What is layered defense approach to network security?
Learn what the layered defense approach to network security is in this expert response.31 Aug 2007
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What is FEC in MPLS?
Learn what Forwarding Equivalence Class (FEC) is and how it works with Multiprotocol Label Switching (MPLS).31 Aug 2007
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How can I secure VoIP conversations using free softphone?
Can you secure VoIP conversations using free softphone? Find out from our network security expert.31 Aug 2007
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What are TCP Wrappers? How do they work?
Network security expert, Puneet Mehta, explains TCP Wrappers and how they work in this Ask the Expert.31 Aug 2007
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Network access control vendors: Attraction vs. retention
Network access control (NAC) vendors who are the most attractive to potential users aren't always the ones that are deployed and used, a recent study by Current Analysis found.30 Aug 2007
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Are there non-vendor specific certifications for VoIP?
To obtain a VoIP related certification, does it have to be from Cisco to be worthwhile? Find out from certification expert Ed Tittel.30 Aug 2007
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Frame relay, ATM, and Gigabit Ethernet pros and cons
Frame relay, ATM, and Gigabit Ethernet have pros and cons for basing network infrastructure off of, according to our networking fundamentals expert.30 Aug 2007
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How are TCP/IP and HTTP related?
Understand how TCP/IP and HTTP protocols are related in this networking fundamentals expert response.30 Aug 2007
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How do you check if TCP/IP is installed on the system?
Understand the TCP/IP stack and how to check if it is installed on your system in this networking fundamentals expert response.30 Aug 2007
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How to build a database server farm using different topologies
Learn how to build a database server farm using different topologies, from network fundamentals expert Chris Partsenidis.30 Aug 2007
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Wireless network security: Controlling secondary connections
Corporate wireless networks can be jeopardized by workers who use unsecured secondary connections. A few steps can help protect the network against these unwanted connections.29 Aug 2007
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Troubleshoot network problems with Network Monitor
Learn how Network Monitor can be used to troubleshoot various types of network problems in this tip from WindowsNetworking.com.28 Aug 2007
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New tools help to diagnose LAN application problems
New tools are available to assist in the diagnosis of problems in complex network-based applications running over the LAN. These tools are much easier to use than old-style sniffers and guesswork, ...27 Aug 2007
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Fiber cable: Cabling tips for network professionals, lesson 6
Fiber optic cabling, inlcuding 62.5/125 micron loose tube and single-mode and multi-mode, is discussed in this tip.26 Aug 2007
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100Base-(T) TX/T4/FX - Ethernet: Cabling tips for network professionals, lesson 5
100Base-(T) TX/T4/FX - Ethernet fundamentals are discussed in this tip.25 Aug 2007
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Will phasing in new Cisco devices interfere with network performance?
Wireless expert Lisa Phifer explains how phasing in new Cisco devices might nterfere with network performance while your system continues to run.23 Aug 2007
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Cisco Information Security Specialist (CISS)
Cisco Information Security Specialist (CISS) is an entry-level certification attesting that the holder has demonstrated the foundational knowledge and skills required to install and support a Cis...23 Aug 2007
Network Management Strategies for the CIO