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Cisco CallManager-CCME
This article introduces basic CallManager Express (CCME) concepts by covering how a CCME router operates, how calls are setup between Cisco IP phones but also the role of a CCME router in this proces…
Network Protocol Analyzers
Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troubleshoot as the problem occurs at random times with a ra…
Network Fundamentals
Measuring network performance has always been a difficult and unclear task, mainly because most engineers and administrators are unsure which approach is best suited for their LAN or WAN network. A…
Windows Servers
Using Hyper-V Server virtualization technology, you can virtualize your physical environment to reduce the cost of physical hardware. As part of IT best practices, you implement monitoring solutions…
Spanning Tree Protocol (STP)
Spanning Tree Protocol, Rapid STP port costs and port states are an essential part of the STP algorithm that affect how STP decides to forward or block a port leading to the Root Bridge. In our prev…
Network Protocols
IPSec’s protocol objective is to provide security services for IP packets such as encrypting sensitive data, authentication, protection against replay and data confidentiality. As outlined in our IP…
Network Cabling
This article covers the commonly known Unshielded Twisted Pair (UTP) cable and shows how many pairs the UTP Cat5, Cat5e, Cat6 & Cat7 cables consists of, the colour coding they follow, the differe…
Cisco Services & Technologies
This article shows to how correctly install Cisco VPN Client (32 & 64 bit) on Windows 10 (32 & 64 bit) using simple steps, overcome the ‘This app can’t run on this PC’ installation error, plu…
Linux - Unix
A file system is nothing more than the way the computer stores and retrieves all your files. These files include your documents, programs, help files, games, music etc. In the Windows world we have t…
SASE & SD-WAN Networks
The digital transformation is pushing applications to the cloud, the 2020-2022 pandemic shifted employees to work from home, and the number of resulting new use cases is sending IT leaders scrambling…
Linux - Unix
Installing software in Linux is very different from Windows for one very simple reason: most Linux programs come in 'source code' form. This allows you to modify any program (if you're a programmer)…
Windows Servers
The Windows Server 2008 first carried FSRM or Fie Server Resources Manager, which allowed administrators to define the file types that users could save to file servers. Windows FSRM has been a part o…

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