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Excel to vCard Format – Import Excel Contacts to VCF

Need for Excel to vCard Conversion It’s always better to save contacts in a unified format supported by a wide range of devices and programs. And vCard is the most popular and highly supported format. It has replaced the Excel file, which was commonly used for storing contacts. To export all the contacts from an Excel file to vCard format, you can try two different solutions: Either an easy manual trick Or a third-party Excel to vCard Converter tool I always recommend the manual tricks before using any 3rd party tool. Sometimes the manual tricks resolve our issues without requiring any other tool. Though a manual trick is considered the most inexpensive way, but it may sometimes require higher human efforts and enough time while execution. If any sort of mistake or error takes place while performing any manual trick, this may lead to loss of crucial data and information. To perform the manual trick, you need to convert Excel to CSV (Comma Separated Values) for

Mikrotik Router Basic Configuration with Winbox

Winbox is a small utility that allows administration of Mikrotik RouterOS using a fast and simple GUI. It is a native Win32 binary, but can be run on Linux and Mac OSX using Wine. All Winbox interface functions are as close as possible to Console functions, that is why there are no Winbox sections in the manual. Some of advanced and system critical configurations are not possible from winbox, like MAC address change on an interface. Starting the Winbox Winbox loader can be downloaded directly from the router. Open your browser and enter router's IP address, RouterOS welcome page will be displayed. Click on the link to download winbox.exe When winbox.exe is downloaded, double click on it and winbox loader window will pop up: To connect to the router enter IP or MAC address of the router, specify username and password (if any) and click on Connect button. You can also enter the port number after the IP address, separating them with a colon, like

Network Architecture: Protocol

What are protocol and network architecture? Protocol : In a computer network, entities in different hosts need to communicate. For two entities for successfully communicate, they must “speak the same language”. What is communicated must conform to same manually accepted set of conventions is referred to as protocol, which may be defined as a set of rules governing the exchange of data between two entities. Network architecture: A protocol may be monolithic or structured. The task of communication between entities on different hosts is too complex to be handled as a unit. An alternative is to use structured design and implemented techniques. Instead of a single protocol, there is a set of protocols that exhibit a hierarchical or layered structure. More primitives functions are implemented in lower-level entities that provide service to higher-level entities when structured protocol design is used, we refer to the hardware and software used to implement the communications functio

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