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- Get real-world examples for applying network troubleshooting methodologies
- A few weeks ago, David Davis wrote an article about choosing a network troubleshooting methodology and introduced you to three approaches to network troubleshooting. This week, he revisits those approaches and offers up some real-world examples for applying them to your network. A few weeks ago, I wrote an...
- Technical articles 2005-11-17
Additional Resources
- Get IT Done: Implement a four-layer virus prevention strategy
- Prevent computer virus infection with a four-layer security strategyThe threat of damaging computer viruses and the need for good antivirus software are greater than ever. Many organizations have already learned the painful and costly reality of leaving their networks unprotected against viruses. Once you are on board with the idea...
- Technical articles 2001-07-18
- Folders-Full Set 1.0.1 (Mac)
- A donationware, open ended project to provide you with endless numbers of folder icons to replace all the default blue Apple folder icons on your Mac. Icons are provided for the HD, applications folders, home and for every layer of folders on the Mac starting from the first HD subdirectory...
- Software downloads 2008-05-30
- NoahFex's MP3 Plugin 1.0d38 (Mac)
- A plugin for REALbasic (www.realbasic.com) to allow you to implement high quality MPEG 1 Layer III (Also known as MP3), Layer II, and Layer 1 playback into REALbasic as well as CD audio playback. Features a professional, high quality, and versatile MP1, MP2, and MP3 encoder. Contains royalty free use...
- Software downloads 2000-11-28
- Super Layer 1 (Windows)
- Super Layer is an easy-to-use utility software help you to export psd layers, convert ico and extract gif frames to bmp, png, jpeg. With Super Layer, You can, view photoshop .psd layers in built-in viewer. export any photoshop .psd layers to bmp, png, jpeg and gif files. view ico, gif...
- Software downloads 2008-06-26
- Simple DirectMedia Layer 1.2.13 (Windows)
- Simple DirectMedia Layer was designed to be a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. It is used by MPEG playback software, emulators, and many popular games, including the award winning Linux port of "Civilization:...
- Software downloads 2008-01-24
- Pipe Layer 1.0 (Mobile)
- Pipe Layer is a two-player game played with two grids of dots, each belonging to a player. The players take turns moving by connecting two dots. A player can connect the dots that are adjacent horizontally or vertically and also only dots of his own color. To win a player...
- Software downloads 2010-01-08
- Test your OSI knowledge
- OSI is an abbreviation, not an acronymOSI is an abbreviation, not an acronym.Not a TLA?From Dictionary.com:acronymn : a word formed from the initial letters of a multi-word name. . .See also TLA.tla :Three-Letter AcronymYes, it is a TLA.TLA - Three Letter AbbreviationConfusing answers...Question 12. Layer 2 is not Application....OSI is...
- Discussion threads 2005-04-18
- Difference Between L3 & L2 Switches
- Hi Techies.Please give me the differneces of Layer-3 & Layer-2 Switches. Pls Help..thanks & reg'dsSreea layer 2 device is a switchcommunicates at frame level, a layer 3 is a routercommunicates at packet level.a layer 2 device is a switchcommunicates at frame level, a layer 3 is a router(communicates at packet...
- Q&A 2005-10-06
- Build Your Skills: The three-layer hierarchical model
- Explains the three layers critical to network design: Access, Distribution, and CoreAnyone involved in networking and/or telecommunications should be somewhat familiar with the use of layers. Many communications systems, computer operating systems, and software packages are designed in layers or modules. When a network or operating system is designed and...
- Technical articles 2002-02-28
- TechRepublic Tutorial: Document your network with help from the OSI model
- Use the OSI model to help your documentation effortI've talked to many network administrators over the years, and I've visited and consulted for a variety of operations that had anywhere from 10 to 600 clients. The one characteristic that all the organizations have had in common is the lack of...
- Technical articles 2002-03-27
- Talking Shop: Use the OSI reference model to aid in topology decisions
- Use this starting point to fully understand OSI layers.Knowing the seven layers of the Open Systems Interconnection OSI reference model and understanding where your network devices fit in that model can prove to be a valuable asset when it comes to adding devices to different segments of your network and...
- Technical articles 2001-06-07
- How do I... Animate photographic elements with masks in Flash?
- One of the reasons Flash files and applications are so popular across the Web is that the combination of vector-based graphics and the ActionScript scripting language provides lightweight, fast-loading files that have almost limitless interactive possibilities. But what if you want to animate in Flash using a...
- Blog posts 2008-02-25
- Choose a network troubleshooting methodology
- Many network administrators don't use an official methodology when it comes to troubleshooting network problems, but there's something to be said for taking a more formal approach. David Davis examines three network troubleshooting methodologies and discusses the advantages of each approach. A decent portion of every network administrator's job...
- Technical articles 2005-10-20
- Troubleshoot ISDN problems on your Cisco router
- Choosing ISDN for your company's backup dialing needs can be a reliable approach. But like any technology, ISDN isn't bulletproof, and it can still go down. David Davis walks you through the process of troubleshooting ISDN on your Cisco router and shares some troubleshooting commands that can come in handy....
- Technical articles 2005-07-28
- Build Your Skills: ATM's fixed-length cells speed data transit
- Take a look back at the Asynchronous Transfer Mode switching model to see how it enhances network speed.You’ve probably experienced it in your enterprise. The number of enterprise networks that must support data, voice, and video is growing rapidly.Supporting such networks requires enormous amounts of bandwidth and throughput. What’s the...
- Technical articles 2000-03-30
- How do I... Create animation with ActionScript 3.0 in Flash CS3?
- In a previous How Do I..? blog entry, I showed you how easy it is to create an animated movie using Flash CS3's Timeline, utilizing keyframes and Motion Tween actions. However, it's well-known among professional Flash developers that if you want really responsive, snappy and attention-getting animation, you should animate...
- Blog posts 2007-12-17
- How to study for and pass the Cisco CCNA 2.0 exam
- Need a reference point to show you just what to study for the Cisco CCNA 2.0 exam? Look no further. In this Daily Feature, Todd Lammle shows you where you can find the information you need.The Cisco Certified Network Associate CCNA 2.0 exam was designed to test the skills of...
- Technical articles 2001-04-16
- Introduction to SSL VPNs
- In the beginning, there was dialup remote access. Users whoneeded to access resources on the company LAN from home, while on the road, ata customer's location or when otherwise off-site could use a modem to dial intoa server on the LAN. Due to the limitations of modem technology, this was...
- Technical articles 2005-05-05
- How do I... Use Flash animation to duplicate the marquee tag effect?
- Most Web designers and developers are glad that the marquee tag is dead and buried. However, if you have a boss or a client that is insistent upon using the marquee tag in a Web site, you do have an option that allows for a lot more control in the...
- Blog posts 2008-03-14
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