A. Routers have much faster CPUs and can do the hard work to translate the incoming datalink header into the outgoing data-link format…
6. What are three main types of high-bandwidth connection options used by medium- to large-sized businesses?…
The next evolution was Asymmetrical Digital Subscriber Line (ADSL). ADSL also utilizes the traditional POTS system, but utilizes frequencies that are not used for telephone voice. Creating an advantage over the 56k modem as the telephone can be used at the same time. Similar to its predecessor using the POTS system, but ADSL uses different modulation schemes i.e. PSK and PQSK. Most of the bandwidth is used upstream to the provider which allows the user the ability to watch low quality videos allowing the user more bandwidth faster downloads, although slower upload speeds. The disadvantages of ADSL are expenses, and ADSL was not available to everyone. The external modem and twisted pair cables were not common during ADSL’s timeframe. Providers also needed repeaters to reach homes making the product…
7. DSL- A type of internet access service in which the data flows over the local loop cable from home to the telco central office, where a DSLAM uses FDM technology to split out the data and send it to a router, and split out the voice frequencies and send them to a traditional voice switch.…
Dial up: the least expensive; your regular phone lines to connect to the network. Slow and can tie up your phone line while you are online.…
1. Place the following networking technologies in the order of their highest speed, from slowest to fastest: Fiber optic, dial-up networking, cable modem, Fast Ethernet…
What are the various types of Internet connectivity available today? How do they differ from each other? Explain your answer.…
Fixed networks can come in many shapes, sizes, costs and speeds. Prices range widely, and differ depending upon the provider, but the equipment used is usually very similar. You’ve got dial-up, which uses existing phone lines to provide a very low speed, unreliable connection. There is also DSL, which uses those same telephone lines, but only works a certain distance away from your telephone company’s central office. Then you’ve got services like AT&T’s U-Verse, which also uses telephone lines in a similar manner as DSL, but has the capacity to produce much higher speeds and provide video services as well.…
Broadband allows data to flow faster in one direction than the other. This is why download speeds are greater than upload speeds. You can use the telephone while using the internet without any interference. When using broadband a micro filter is fitted to the internal phone socket which prevents crackling on your phone line. Depending on the distance from the telephone exchange has an effect on your broadband speeds. The closer to the exchange the faster the connection. Modem routers are used which plug into the phone line and then into the computer or can be used wirelessly. Wireless connection means you are able to use the internet without having to attach any cables from your pc or lap. A wireless router is used which sends a signal out. This router is plugged into the phone line and acts as the hub for wireless network. Sometimes signals can suffer through thick walls, or dead spots in your home.…
Fixed lines have just as many pros and cons as cellular phones. To receive or transmit data over the fixed line a modem is needed on each end of the line. The modem takes the digital information and turns it into tones that have been specifically selected for the transmission over telephone network. The modem at the other end is responsible for turning the tones back into digital data. Data rates were limited until digital subscriber line (DSL) was introduced. DSL used the existing…
The Federal Communications Commission (FCC) in 2015 voted to change the definition of broadband internet from 4 Mbps to 25 Mbps download speed and changed the upload speed to 3 Mbps from 1Mbps (Pramuk, 2015). Existing copper telephone cable is currently used to bring the internet into the home if fiber is not available, this method of receiving the internet is outdated and unreliable in rural communities that have not had any updates to the telephone exchanges. Once this fiber is brought into these rural communities; schools, businesses, and farming changes…
Copper: A copper connection is the most likely type to be found in most households as it is the cheapest and easiest to use. If your house is far away from an ISP it will take longer to transmit data over long distances. Copper also uses a lot of power. Two copper wires running down a cable. Cheaper than fibre optic but is slower as electrical signal moves slower than the speed of light lose some of the signal if you live further away…
Cable modems are devices that allow high-speed access to information at a distant server may it be Internet server or video on demand server, via a cable television network. While similar to the traditional (analog) dialup modems, a cable modem is significantly more powerful, capable of delivering data approximately 500 times faster. During the early to mid - 1990s, the two-way interactive communication capability of the existing cable network infrastructure was realized which would imply a much greater bandwidth for accessing the Internet. This realization resulted in several field trials being conducted in various areas of United States and western European countries. As a result of these field trials, several types of cable modems were developed. For millions of people, television brings news, entertainment and educational programs into their homes. Many people get their TV signal from cable television, because cable TV provides a clearer picture and more channels. Many people who have cable TV can now get a high-speed connection to the Internet from their cable provider. Cable modems compete with technologies like Asymmetric Digital Subscriber Lines (ADSL).Through the use of a cable modem you can have a broadband Internet connection that is designed to operate over cable TV lines. The coaxial cable used by cable TV provides much greater bandwidth than telephone lines, a cable modem can be used to achieve extremely fast access to the Web. This, combined with the fact that millions of homes are already wired for cable TV, has made cable Internet service something cable TV companies have really jumped onboard with. Traditional dial-up modems provide online access through the public telephone network. A cable modem, on the other hand, gives users high-speed Internet access through a cable TV network. Let us take a close look on…
Q.1) What are the characteristics of services that will be most appropriate for internet delivery? Internet service can be provided through telephone lines .Internet connection speed can generally be divided into two categories: dialup and broadband Characteristics of the Internet:…
Does your ISP take a lot of time to connect to the Internet? The latest computers are capable of working at high speeds, so should your internet. Broadband Internet is very popular with most PC users today. It gives superb high-speed connectivity and clarity for audio and video files as well. Besides, it enables much quicker downloads and sending/receiving large files online.…