ABSTRACT
In this paper, we will conduct a comparison on Fast Ethernet Network Switches and Gigabit Ethernet Network Switches offered by 3COM. We will review a few specific components, as well as compare features, pricing and preferred usage.
DEFINITION
In order to have a greater understanding of the terminology and descriptions offered in this paper, we must first understand what a network switch is. A brief definition of a network switch is a computer networking device that connects network segments. It uses the logic of a Network bridge, but allows a physical and logical star topology. It is often used to replace network hubs. A switch is also often referred to as an intelligent hub.
A switch can be used to make various connections. Ethernet, Token Ring, and various other types of packet switched network segments together to form a heterogeneous network operating at OSI Layer 2.
Traditional Ethernets, in which all hosts compete for the same bandwidth, are called shared Ethernets. Switched Ethernets are becoming very popular because they are an effective and convenient way to extend the bandwidth of existing Ethernets.
PRODUCTS
3COM offers a wide variety of networking solutions. From Switches to Hubs to Gateways, 3COM is one of the frontrunners in the networking industry. In this comparison of Fast Ethernet Networks and Gigabit Ethernet Networks, before discussing the similarities with the various components and their respective operations, we must discuss the differences between the two.
Fast Ethernet Network was developed as an upgrade to traditional Ethernet Networking. Fast Ethernet improved traditional Ethernet by increasing transfer rates 10 times, from 10 Megabit to 100 Megabit speed.
Gigabit Ethernet Network is an upgrade on Fast Ethernet Network equivalent to Fast Ethernet Networks improvement over Fast Ethernet Network, offering speeds of 1000 Megabits (1 Gigabit). Gigabit Ethernet was first made to travel over optical and copper cabling, but the 1000Base-T standard successfully supports it as well. 1000Base-T uses Category 5 cabling similar to 100 Mbps Ethernet, although achieving gigabit speed requires the use of additional wire pairs.
Also, Gigabit Ethernet Networks can process Traditional, Fast, and Gigabit Ethernet transfer rates, as opposed to Traditional – Traditional and Fast – Traditional/Fast.
The products will be reviewed by cost as well as functionality, comparing components most closely related to one another.
COMPONENTS
3COM OfficeConnect Dual Speed 5 Port Switch
This switch is a member of 3COM’s OfficeConnect family of products. It is used primarily for small business and small offices.
...dustrial automation and for input/output functional needs. The low cost per signal line, minimal power consumption, overall Ethernet network capabilities, and self-request maintenance allow for home/office automation, controlled machinery, system monitoring, and remote access control. With key features for industry requirements, the IRP module is an ideal tool for networking needs.
...igger people get mean and start to defend what they think is legally theirs. These little quarrels often ended in big trouble and sometimes even war with native people or other countries like England.
... access to what and in which sequence. The router connects the LAN to other networks, which could be the Internet or another corporate network so that the LAN can exchange information with networks external to it. The most common LAN operating systems are Windows, Linux, and Novell. Each of these network operating systems supports TCP/IP as their default networking protocol. Ethernet is the dominant LAN standard at the physical network level, specifying the physical medium to carry signals between computers, access control rules, and a standardized set of bits used to carry data over the system. Originally, Ethernet supported a data transfer rate of 10 megabits per second (Mbps). Newer versions, such as Fast Ethernet and Gigabit Ethernet, support data transfer rates of 100 Mbps and 1 gigabits per second (Gbps), respectively, and are used in network backbones.
An educator must have the ability to notice the value of extending planning and subject matter. In addition, educators need to be flexible enough to change the curriculum based upon state standards and the student’s ability to absorb information.
It just doesn't get much simpler than the physical bus topology when it comes to connecting nodes on a Local Area Network (LAN). The most common implementation of a linear bus topology is IEEE 802.3 Ethernet. All devices in a bus topology are connected to a single cable called the bus, backbone, or ether. The transmission medium has a physical beginning and an end. All connections must be terminated with a resistor to keep data transmissions from being mistaken as network traffic. The terminating resistor must match the impedance of the cable.
People today are not completely educated about schizophrenia. Schizophrenia is a mental disorder that affects millions from country to country. In today’s up and coming world, men and women over the age of eighteen that suffer from schizophrenia, has developed to 1.1% (“Schizophrenia” 1). Schizophrenia, on average, begins between the ages of sixteen and thirty, and men normally accumulate the disease before women. With the mental disorder, “positive” and negative symptoms occur. “Positive” symptoms include: hallucinations, messy speech, delusions, and catatonic behavior. Negative symptoms include: loss of interest and drive, roller coaster emotions, the difficulty to extract obvious hints, and come across as being in a mood that is difficult to understand, such as depression (Frankenburg 1).
Schizophrenia is a disorder that affects about 1 in 100 people at different stages in their lives and is very difficult to diagnose. It has many symptoms that typically begin to appear around age 18-30 (2). Signs of Schizophrenia can be misread and sometimes overlooked due to the amount of other disorders that share many of the symptoms. Autism is one example. Symptoms can be classified into "negative" and "positive." Negative symptoms could be seen as those that are absent but should be present. Examples of negative symptoms include lack of motivation or apathy, blunted feelings, depression, and social withdrawal (1). Positive symptoms are those that should be present but are absent. Some examples of positive symptoms are hallucinations, delusions, thought disorder, and an altered sense of self (1). It is thought that hallucinations are the...
The topic of alternate policies to the U.S. Drug War has always been an interesting and thought provoking topic for me. Over nearly the past four decades, the U.S. government, along with state and local agencies, have spent billions of dollars, hundreds of thousands of man hours, and many lives with little to show for stopping the flow of drugs into or the use of drugs in this country. The only true outcome from these expenditures and all of this enforcement are more robust resupply networks, more refined and potent drugs, deepening psychological issues, and alienating specific aspects of American society.
The United States Drug Policy evolved after the 1900s when laws dictating drug abuse became prevalent. The targeted audience for the War on Drugs was aimed at helping the upper-class citizens and not the lower-class citizens which ultimately caused the government to become hypocrites. The United States War on Drug Policy was supposed to help America as a whole and not select classes. The supply of drugs entering into the United States did not seem to be affected after numerous different strategies were instilled by different presidents and government officials. Without a successful strategy to end the spread of drug usage we as a country have lost the War on Drugs. An unintended consequence from the United States drug policies to thwart drug
According to the Diagnostic and Statistical Manual, schizophrenia is characterized by the development of two or more symptoms in a one-month period. At least one of the two symptoms must be delusions, hallucinations, or disorganized speech. Schizophrenia has always been a disorder shrouded in mystery. There have been many hypotheses from varying perspectives offering up causation for it and some have research, while some lack support. It is important when trying to comprehend and appreciate the disorder that its history is taken into consideration. This way the full extinct to which each branch of the disorder has developed can be absolutely understood. Learning from the past is the only way to proceed towards the future. With schizophrenia, it starts in the dark and works it ways towards the light.
In order to solve this vast and complex problem of drugs in America, we must first acknowledge that the "War on Drugs" is not actually a war at all, but is instead an attempt to avoid the real challenges involved with addressing our shortcomings as a society, as individuals, and as a nation, by imagining that drugs themselves are to blame. Perhaps today, as we see our armed forces engaged in warfare abroad, our economy in flux, and our nation heavily involved in a global "War on Terror," the illumination of the facts will yield the collective will necessary to disengage from this domestic battle of our own creation, and finally declare an end to the “War on Drugs.”
being corrupted and molded from birth into an adult the had not choice but to become, it becomes abundantly clear that the “war on drugs” is simply a variable in the problem, not the problem itself. Critics may shout the exact opposite, facts are facts, though. The United states has been struggling for a very long time, with the debt that it owes to other countries, with civil unrest, racial disparities, extreme poverty, drugs, and much more. The U.S. is sick, and those that are fighting only certain issues must understand that it is futile to fight the symptoms of a disease when those efforts could instead be focused on developing a cure to fix the problem in its
The first variation on the original variety of Ethernet was simply to use a thinner coaxial cable and relax the constraints on how and where transceivers can connect. 10BASE-2 does this with coaxial cable that looks just like the cable used for receiving cable television or hooking up a television set to an antenna. The only difference in the cable itself is the impedance rating. A television cable is rated at 75 ohms and a 10BASE-2 cable is rated at 50 ohms. In a pinch, a small length of one can be substituted for the other.
Local Area Networks also called LANs have been a major player in industrialization of computers. In the past 20 or so years the worlds industry has be invaded with new computer technology. It has made such an impact on the way we do business that it has become essential with an ever-growing need for improvement. LANs give an employer the ability to share information between computers with a simple relatively inexpensive system of network cards and software. It also lets the user or users share hardware such as Printers and scanners. The speed of access between the computers is lighting fast because the data has a short distance to cover. In most cases a LAN only occupies one or a group of buildings located next to each other. For larger area need there are several other types of networks such as the Internet.
The demand for narcotics in the United States has remained very strong, and even increased, since the War on Drugs was declared. The United States continually points to the suppliers of the narcotics and foreign mafia bosses who run organizations as the primary causes of the difficulty of the War. It is portrayed by the media...