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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.

Layer 2 Encapsulation Protocols

High-Level Data Link Control (HDLC) - HDLC is the default encapsulation type on point-to-point, dedicated links, and circuit-switched connections. It is used typically when communicating between two Cisco devices. It is a bit-oriented synchronous data link layer protocol.

Seven Layers of the OSI Model

Various mnemonics have been created over the years to help remember the order. Probably the most taught and text-book found ones are:

LLC Sublayer Details

According to the IEEE 802 family of standards, Logical Link Control (LLC) is the upper sublayer of the OSI data link layer. The LLC is the same for the various physical media (such as Ethernet, token ring, and WLAN).

MAC Sublayer Details

The Media Access Control (MAC) data communication protocol sub-layer, also known as the Medium Access Control, is a sublayer of the data link layer specified in the seven-layer OSI model (layer 2). It provides addressing and channel access control mechanisms that make it possible for several terminals or network nodes to communicate within a multipoint network, typically a local area network (LAN) or metropolitan area network (MAN).

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Five Latest Forum Posts

Job Spam: Enterprise Solutions Inc

Enterprise Solutions Incorporated has joined the legion of job spammers. I received the below posting that I supposedly am a match for. Note that I DO NOT have any of the skills required. The only commonality is that I have the word "Windows" on my resume, and this posting contains the word "Windows". I can only imagine that the spammer did a search for that word, and sent messages to all the candidates that happen to have that word on their resume.

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Top 5 Links

OpenNap: Open Source Napster Server

Includes source for Napster type servers. Napster protocols are also listed.

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Top 5 Questions

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