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Networking - Assignment Example

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To the field of computers, networking refers to the activity of connecting two or several computing devices together with the reason of sharing information. Networks are developed with a combination of computer hardware as well as system software. However, networks may be…
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Networking
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Networking To the field of computers, networking refers to the activity of connecting two or several computing devices together with the reason of sharing information. Networks are developed with a combination of computer hardware as well as system software. However, networks may be classified in different ways. One mechanism states the form of network as per the geographic part it spans. Local area networks (LANs), for instance, classically move across a unit home, while wide area networks (WANs), moves through cities, countries, or even worldwide (Wendell, Rus, Denise 69).
Items
Specifications
Reason(s)
1.
Serial port plus DB9 connector
20 pairs with equal no. of connectors
To connect old devices
2.
Parallel port with DB25 connector
10 pairs with equal no. of connectors
So as to connect printers
3.
USB ports
20(1.3,high-speed)
To connect new peripherals
4.
RJ45 connector
15 pairs
To connect computers to the network system
5.
SUB-D15
15 pairs
To hook up monitors
6.
Jacks
15 pairs
For connecting hi-fi sound systems

Advantages of constructing patch cables on site
It will save time, as it will be readily accessible
Incase of changes, it is easy to fix and convenient, this therefore, saves the expenses of purchasing new ones each time one breaks down.
Disadvantage
Requires more resources especially during initial installation
Professionals are required to handle it; such professionals are hard to find and incase it breaks down, it implies all other operations will stall.
Advantage of buying
Incase of failure or breakdown, they can be replaced by the seller, which saves resources
Disadvantage
It may fail to fit or rather be of poor quality
For this company I suggest the use of NAPT so that it can allow the company’s computers to participate concurrently in operations. This is the simplest type, which allows for one to one use of IP address. It is where the IP head checksum and IP address only needs to be changed (Kurose & Keith 93).
Advantages of using NAPT
Security reasons-this is because the system provides automatic firewall system security without any complex set up. This is because it allows for connectivity that is from inside network. This implies that an internal user is able to connect to FTP server outside the system but an outsider cannot access the internal FTP server since it does not originate from the source. This thus means that the company’s information is safe and cannot be accessed by unauthorized person (Kurose & Keith 112).
Administrative reasons-this is in terms of dividing the network into small units whereby the small parts are exposed to an IP address thus other computers can be connected or disconnected without affecting the outside networks. Again, NAT through its gateways can give a way to prohibit access to the internet, which allows the administration to restrict users from accessing bad materials. Moreover, NAT allows several computers to have connections on the same network courtesy of operations through an IP packet-level (Wendell, Rus, Denise 78).
IP address
IP address: 194. 168. 2. 2.
Subnet mask: 255. 255. 255. 0
Default gateway: 194. 168. 2. 2.
DNS server address
Preferred DNS server: 8. 8. 8. 8
Alternate DNS server: 8. 8. 4. 4.
To assign these addresses to devices, a special program will be run in the machine to install the address into its hard memory and saved. Then the program is deleted to ensure that address belongs to that devices and can never be changed any time in the future (Wendell, Rus, Denise 89).
Works cited:
Kurose James F and Keith W. Ross : Computer Networking: A Top-Down Approach Featuring the Internet. New York, NY: Pearson Education, 2005. Print.
Wendell Odom, Rus Healy, Denise Donohue. CCIE Routing and Switching. Indianapolis, IN: Cisco. 2010. Print. Read More
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