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NTC 362 Week 4 DQs


NTC 362 Week 4 DQs fin571

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NTC 362 Week 4 DQs
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This 5 page Study Guide was uploaded by an elite notetaker on Wednesday November 11, 2015. The Study Guide belongs to fin571 at Kaplan University taught by in Fall 2015. Since its upload, it has received 25 views.

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Date Created: 11/11/15
Week 4 DQ 1 Chapter 2 of Telecom Essentials describes various traditional transmission media.  PICK ONE,  and only ONE type media and answer the DQ:   Briefly describing the benefits of the physical media type you chose.   Briefly compare and contrast the media you chose with the others covered in the chapter. Describe why a business would choose this media.  Be specific. Answer: The media type that I picked is fiber optics. Fiber optics have been around for such a long time  that few people realize that this technology has been around for well over 200 years. Know this  does not mean that the fiberoptics cord or connections has been around that lon, but the idea has.  There are many benefits to using fiber over Cat5. The first one that I can think of is the security  of the line. Fiber optics can be tapped into, however this is not as see as it seems and if done  incorrectly will break the line thus severing any communication. On the other hand CAT5 can  easily be spliced and tapped into meaning that the connection and information can be stolen with  ease compared to the fiber lines. Another benefit is that speed that this product can provide from  multi mode to single mode fiber that are both a fast option that can get communication going for  any company. CAT5 is a good medium to use for networking, but this is not as fast as the fiber  lines. The one major benefit that fiber provides any company that has the funds to buy it is the speed  that it offers. In the world that we live in today everyone is looking for the next best thing and  fiber provides one of the fastest speeds when it comes to networking. This is one aspect that  helps corporations communicate over long distances as well. The other great aspect of fiber is the fact that it is not as susceptible to ease dropping as CAT5 so this means that it provides some  security with it and this is should be important to any company.  The bottom line is that fiber optics offer great speeds and security for any network and  corporation that implements it as long as they have the funds to buy it because it does not come  cheap. Week 4 DQ 2 Answer by Day 5 Check out these websites on WiMax (,   Combined the readings in Telecom Essentials, do additional research (such as the ERR, library  and internet research), and answer the following questions: Briefly describe WiMax.  What was the original intent of WiMax?  How has it evolved?  What  are some of the upcoming visions for WiMax?  Would you consider WiMax as a WAN  alternative?  Why/why not? Answer: Briefly describe WiMax  What was the original intent of WiMax? Wow... This was a great read and is something that looks to be real interesting in the months to  come. WiMax is wifi on steroids. What I mean by this is that WiMax is a wireless solution to  provide anyone who has the access a massive coverage area so that you can be connected to the  internet anywhere at any time. The speeds of this service are supposed to be 40Mbps that would  be a hugh improvement from were we are today. In fact when and if the technology catches on  this would move the United States in to first place in countries that provide the fastest speeds. I  wouldn't mind that at all. What was the original intent of WiMax? However with all this great stuff that looks to be coming down the pipe line WiMax was not  intended for this use at all. When the idea first came up it was supposed to offer the smaller rural  communities and towns away to connect to the internet at better speeds. This was supposed to be  the solution for all those people living in the small mom and pop towns. I just wish I had this  when I was growing up on our farm.  How has it evolved?   WiMax from the looks of it evolved from the wireless networks that have been a round for about  10 years. Then with the advancements in the cell carrier services to the 3G network it seems to  have taken on a totally new perspective in the type of service that it is tying to offer. This is  taking the home network and using it on a bigger scale so that everyone is able to use it  anywhere at any time. What are some of the upcoming visions for WiMax? From the looks of where WiMax is looking to go is to create the first world wide wireless  network. This to me is a little extreme, but I guess they are trying to go big things over at intel.  The idea looks good on paper, but actually creating this network is another story. I think giving  everyone access within a metropolitan area would be cool to see, but I think that they are going  to be running into some issues when it comes to the scalability of the entire project. The fact is  that they want to create this hugh network of coverage, but we don't even have total nation wide  coverage with the cell company's. One of the other issues are the players involved such as the  cell providers, but I think something will come of this because it would make since for them to  jump on this an utilize this type of network for there coverage, but time will only tell. Would you consider WiMax as a WAN alternative? I think when it boils down to it I would have to sit back and wait to see how everything worked  out over the first year. The security for something like this would be a head ache because hackers and script kitties will have access just like everyone else. I could just see them having a field day  with this with the ability to run attacks from anywhere at any time. This to me is a little  disconcerting because I work in the network intrusion field and I have seen what dome of these  attacks can produces and it is not a pretty site. So with that said I would have to wait and see  before I jumped in the pool. Week 4 DQ 3 NOTE:  you may want to check out Chapter 9 of Business data networks… before answering the DQ   What is a LAN subnet?  What are some of the strategies for a network administrator to consider  use subnetting (why do it)?  What, if any, equipment is needed?  Are there other alternatives that  can accomplish similar results?   Answer: What is a LAN subnet?   A subnet on a LAN is another way to breakdown a network into individual networks within a  network. The best way to look at this is with a company That has multiple departments. The  departments are as follows:   Security   Accounting  HR  Web Design Having all of these depart on the subnet could potentially cause some issue  because you should always have the security and accounting systems on a seperate network.  Subnetting allow for this to take place by assigning a subnet net to each department.   Security =  Accounting =  HR =  Web Design = With the subnetting completed each department now has there own network within the network  that is completed separated from the other departments.  This is why admin's like doing this because it allows them to keep track what is going on with  the network. This becomes almost like a electronic file cabinet that the admin's use for each  department. This also allows them to trouble shoot the network a lot faster by isolating the  problem within the problematic subnet, which will not effect the entire network. If a problem  was taking place on a network that did not implement subnetting then the admin's would have to  track down the issue which take longer and they could take the network down so that they could  isolate the issue. As you can see subnetting can be vital to a bigger network by eliminating this  from taking place. Some equipment that you might need to completed this is a router or switch. This hardware will  route the traffic to the appropriate subnet making sure that communication is taking place  between on anther. A gateway is also needed, but this is software and if you already have a  router then you should have this already. Now subnetting is one way to accomplish computer managment across a network, but there are  other way of doing this. One thing that you can do is take it virtual and create vlans within the  network. There is no need for physical hardware because it is all managed by VM's. Another way that you can provide this service is by assigning static IP's to each system and it up in such as  way that a certain amount of IP's would be assigned to each department for instance:  Security = ­  Accounting = ­  HR = ­  Web Design = ­ The bottom line is that no matter what option you choose to manage your network just remember that separating the network from other departments of systems is be a priority.


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