Executive SummaryThe objective at hand was to build a network from the ground up. This was accomplished by breaking down all of the sections and building upon all previous assignments. This was a good course as I learned a lot about all of the different sections of building a network.
The pros are now I know how to build a network on the design side from the ground up. I learned quite a bit about using a lot of the technologies associated with networking and it allowed me to learn quite a few new concepts.
Some of the downfalls about this course and what I have learned are I did not feel I accomplished much as there is no hands on training associated with the course. I do not feel like concepts and design ideas are a great resource to actually learn how to use any of the systems but they do give a pretty good idea.
Cabling SpecificationsEthernet is a Local Area Network (LAN) technology with a transmission rate of 10 Mbps and has a typical star topology. Computers and devices must wait-and-listen for transmission time on the network as only one device can transmit at any one time. In order to operate with this network strategy, Ethernet incorporates CSMA/CD (Carrie Sense Multiple Access with Collision Detection). Each device on the network listens for the network to be clear before transmitting data. If more than one computer or device transmits data at the same time, then collisions occur. Once collisions are detected, all devices stop transmitting for a period of time until one of the devices senses the line is free and will then gain control of the line to transmit its data. Receiving devices just sit there waiting and listening for transmissions that are meant for them, which are determined by an IP (Internet Protocol) address.
The main advantage to Ethernet is it is one of the cheapest networks to put into service. Compared to other hardware for Token Ring, Ethernet equipment such as hubs, switches, network interface cards, and cable (Cat5 common) is inexpensive.
The main disadvantage to Ethernet is related to the collisions that occur on the network. Even though Ethernet cable (Cat5) is fairly inexpensive, it can become a cost issue if designing a large network as each device or computer requires its own cable connection to the central hub. Another disadvantage is distance limitation for node connections. The longest connection that can occur within an Ethernet network without a repeater is 100 meters.
Today's Ethernet standards, 100 Mbps and 1000 Mbps, incorporate switched technology, which for the most part, eliminates collisions on the network. The IEEE (Institute of Electrical and Electronics Engineers) specification for Ethernet is 802.3 with three-part names designating the different types. For example, 10BASE-T is for 10 Mbps, and 100BASE-TX is for 100 Mbps.
Token RingToken was developed by IBM as an alternative to Ethernet. The network is physically wired in star topology, but is arranged in a logical ring. Instead of a hub or switch...