Wireless Lan Cards example essay topic
351 words
A wireless LAN, as the name implies, is a LAN without any wires to connect different nodes in the network, because in these LAN's wireless media or unguided media is used for this purpose. Most wireless LAN's today work either on Infra-red (IR) or Radio Frequencies (RF). Infra-red devices have a problem of "line of sight", while radio frequencies are more immune to noise etc. Just like any network a wireless LAN also has to follow a standard, some protocol, some handshaking mechanism.
The standards for Wireless LAN's which are most commonly used are 802.11 by I and Hiper LAN (used in europe). Although most wireless LAN cards normally connect directly with your PC and enable you to communicate with other nodes in the network over wireless media, a different approach could be to build a device equipped with a RF-module or simply a FM transmitter / receiver. This device should be able to communicate with the standard Ethernet LAN cards and transmit their data over radio frequencies using the RF-module. If in a Ethernet every node is equipped with such a device, the LAN can be safely termed as a wireless LAN. At the very first look it may seem impossible, but if we consider the fact that in a 802.3 network (Ethernet) the LAN cards don't send any acknowledgments and don't wait for them either, things become pretty simple. Whenever a LAN card gets some data from the upper layers, it simply frames the packet and sends it on the outgoing link, without caring whether the packet will reach its destination or not, this worrying is done by the upper layers (transport layer) and even if the upper layer is sending some ack or nack it will look just like a normal packet to the LAN card.
So all this proves that the LAN card will show no hesitance in sending its data to the wireless device. How the wireless device is going to decode the Manchester encoded data sent by the LAN card is another story altogether.
Things every student should keep in mind
- Free example essays found anywhere online are available to anyone, which makes them used, re-used, paraphrased, and abused millions of times.
- Watch out, some are poorly written!
- We strongly discourage you to submit free essays or any of their parts for credit at your school -- they are easily detected by PLAGIARISM CHECKERS.
- Get a brand-new, 100% original paper that will be written especially for you following YOUR EXACT instructions.
100% money back, no questions asked if you paper is plagiarized (this won't happen anyway).
We use a simple but effective principle: one satisfied customer will come back for more, but one who was cheated and misled will tell 10 others too.
Our clients are treated with the highest level of respect that a legitimate student deserves. You, as a customer, will feel this attitude starting from your first contact with our essay service and all the way through.
A significant percentage of cheap essay writing services have also been the source of complaints from students for selling cut and pasted work off the net -- this is a world away from the personalized essay service that EssayPride offers. All our guarantees are always kept -- we are nothing without quality, affordable prices, and the high degree of customer satisfaction!
What our customers say
Piotr S.
Toronto, Canada
I am an ESL student and I am only learning how to write good papers in English. Thanks to EssayPride I am mastering this skill much faster. They help me because they always respond any questions and explain me things I do not understand. They also strictly follow the deadlines and I am never late with my assignments. Thank you very much, guys, your hard work is appreciated. I will surely be ordering more.
Lindsay M.
Winston Salem, NC
Oh my Gosh! My life has become sooo much easier after I've come across this website. I am a working student, so sometimes I am too overwhelmed with so many things and I really need a hand with my papers. I am glad I have found a company I can trust. I have confidence in these guys, because they proved to be good quite a few times.
Kirk N.
Austin, TX
I never leave reviews for products or services because I am quite particular and picky. Surprisingly enough, EssayPride has managed to satisfy all of my requirements, even though I asked for several alterations to the paper they've sent initially. My assignments are quite complicated and it is essential to possess a certain level of knowledge in order to write a decent paper. These guys have managed, so I give them four stars.
Emma Ch.
Birmingham, UK
Customer service is very responsive to your queries, they answer any question within an hour. Even if you have a problem with an order, you can contact them and they will fix it promptly. The quality of writing is very good, writer knows what he is talking about. I had a very positive experience using this website, I will be a returning customer.
Travis J.
Perth, Australia
I used this website more than once and every time my experience turned out to be extremely positive. I think their price-quality ratio is very good, because I couldn't find anyone writing better than these guys, who would work for this money. Thank you!
Myung O.
Seoul, South Korea
I am a Korean student studying in the US. I would like to thank essaypride staff, especially writer Jeff P., for helping me out so much. My grades are good with all your help and I keep calm about the results of my year.
Boyi Zh.
St. Louis, MO
As probably any student, I was quite hesitant about asking somebody else to do my assignments at first. However, after EssayPride has sent me my first paper and I've read it, I understood that I could actually learn a lot from them. The research they've done was impressive and I understood the topic even better than after going to class and reading my textbook. I am not using this website to "cheat", I am using it as a tutoring service, they help me to understand the material better.
