Flux Tools

All computers attached to an IP network (such as the Internet) are uniquely identified by a 32-bit number, usually expressed in decimal notation and with each byte (or octet) separated by a period. Because each portion of the address specifies two bits, the decimal range is between 0 and 255 for each of the four bytes. For example:

10.191.31.10

If you ever see an IP address expressed in decimal notation with a number ING higher than 255, the address is not a valid IP address.

This address must be unique to the specific computer to which it is assigned- no other computer can have this address if it is attached to the same internetwork (i.e., the Internet). If two computers ever do have the same address, unpredictable routing errors will result. IP addresses are analogous to house addresses in that no two are ever the same and each element (in the case of house addresses, elements would be states, cities, streets, and numbers) is increasingly specific.

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Virtual LAN’s are better known as VLAN’s in the networking community. Local Area Networks (LAN’s) by definition is a common group of devices withing the same broadcast domain. The broadcast domain with the featured group of network devices receives a copy of any frame sent by any device on that network. In other words when one device sends data, every other device will receive a copy of that data no matter if the devices wanted to receive it or not!

Without the use of VLAN’s a switch considers all of its port interfaces to be within the same broadcast domain or LAN by default. With VLANs, a switch can put some interfaces into one broadcast domain and some into another. There are many benefits separating one broadcast domain into multiple domains. By separating and creating multiple VLANs, you create smaller groups of devices on each particular LAN therefore cutting down on processing time considerably. Another reason includes better flexibility and management for the network administer due to being able to group devices by type, office department, etc.

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MCSE stands for Microsoft Certified Systems Engineer. This is a certification provided by Microsoft and works across various Windows platforms. This is an IT professional course that carries 1-2 years of experience specifically in working with network based systems. The best part of MCSE certification is that you get the qualification directly from Microsoft, which is without a question, one of the leading software companies in the world today.

Role of the Microsoft Certified Systems Engineer

The role of the MCSE is to show clients owning a Windows network system how to plan and execute the Windows-based infrastructure that they need to fulfill their requirements. The engineer is responsible for installing the applications on the various systems that the client owns and configuring it so that it best meets the client’s needs. The engineer helps with the troubleshooting of these applications as well.

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