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Troubleshooting DNS with NSLookup and dig

To be proficient at troubleshooting name server problems, you'll need a special tool to make DNS queries, one that gives you complete control. We'll cover nslookup in this tutorial because it's distributed with Windows Server 2003 and with many other operating systems. We'll also cover another query tool, dig, that isn't part of Windows. It provides similar functionality and doesn't suffer from nslookup's deficiencies.

Difference between RIPv1 and RIPv2

The main difference between RIPv1 and RIPv2 is classless routing. RIPv2 incorporates the addition of the network mask in the update to allow classless routing advertisements. This is extremely important for the flexibility needed to efficiently utilize network assignments for an ever-shrinking pool of IP addresses.

Install Roles on Windows via PowerShell

Just because you don't have a GUI on your Windows Server 2012 doesn't mean you can't install roles and features at will. Use PowerShell, and the job gets easy.

What is a network patch panel ?

Patch panels are used as the central point in a network where all the network cables terminate. It is the grand central station of the network. Networks that use patch panels (and almost all modern networks use this technology) are consider “star-networks” or they use the term “star-topology.”

What is the difference between running isinteg - fix and edbutil /d /r or eseutil /p?

First of all, edbutil /d /r (Exchange 4.0 and 5.0) or eseutil /p (Exchange 5.5) is strictly a last resort for repairing a database file: it fixes only low-level database corruption (bad pages). The isinteg -fix command works at the information store level, fixing objects, schemes, and other high-level data/structure problems. If for some reason you don’t have a backup to restore from or log files to play forward and you have to run edbutil /d /r or eseutil /p, be sure to run isinteg -fix after it.

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Job Spam: Calance

This guy doesn't know the difference between contract and FTE.

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Msflxgrd/ssTab problems


Learning Networking - Help ?

What is the difference between ping, telnet, console port ?...

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