...Networking in My Life and Career Angel Salvador Maldonado DeVry University Author Note This paper was prepared for CEIS-100 taught by Professor Reinaldo Fernandez. Course Project Week #: 2 Networking in My Life and Career A network is defined as a group of computers that are connected to share information. An NIC is a Network Interface Card. It is the physical component of a computer that allows a computer to connect to a network. Three types of media used for network connections are cable television coaxial, fiber optic cable and wireless connections. There have often been times when I have had to access my home wireless internet network and have not been able too. I start to troubleshoot by disconnecting and re connecting to the wireless network in the Open Network and Sharing Center. If that does not work, I check my wireless router to see if the lights on the router are green indicating that it is working properly. If there is a red or orange light on the router, I unplug the power source of the router and let it reset. This usually resolves the issue. My career goal is to become a Network System Administrator. That being said, I will be dealing with networks on a daily basis. A Network System Administrator is responsible for designing, installing, maintaining and upgrading networks in businesses of different sizes. I still have not taken any networking classes. I do know that by the time I obtain my Associates in Network Systems Administration I will have gained...
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...headquarters. Until now, its networks have relied entirely on wired connections. The company’s CIO (chief information officer) decided long ago that she would wait until wireless technology “settled down” before investing in it. 1. What can you tell her about the wireless standards that might convince her that now is the time to adopt wireless technology? There are many advantages to wireless networks. Some advantages of a wireless network are convenience, mobility, ease of set up, the cheaper cost in the long run, and with the newest 802.11 standards the throughput could be just as good as or even better than some Ethernet connections without the hustle of all the wires. 2. Also, what can you tell her to convince her that wireless networking could improve the company’s productivity? With the implication of a wireless network it opens up more options for employees such as the ability to use laptops and their smartphones to complete work so it can be completed however they would like. 3. Which employees could make best use of wireless connections and how? The production, order fulfillment, and research departments would probably benefit the most from the wireless connections so that they can work while on the go and easily update any data even when outside the office. 4. In what type of situations would all employees benefit from wireless...
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...1. List two advantages of wireless networking. User mobility in the workplace, and cost effective networking media for use in areas that are difficult or too costly to wire. 2. What are the three areas defined for the IEEE 802.11 standard? Physical Layer (PHY): The method of transmitting the data, which may be either RF or infrared (although infrared is rarely used.) Medium Access Control (MAC): The reliability of the data service, access control to the shared wireless medium, protecting the privacy of the transmitted data. MAC management protocols and services: Authentication, association, data delivery, and privacy. 3. What is an ad hoc network? In this network, the wireless clients (stations) communicate directly with each other. 4. What is the purpose of an Extended Service Set? By adding multiple access points to the network, the range of mobility of a wireless client in the LAN is extended. 5. What are the four physical layer technologies being used in 802.11 wireless networking? Direct Sequence Spread Spectrum (DSSS), Frequency Hopping Spread Spectrum (FHSS); Infrared, and Orthogonal Frequency Division Multiplexing (OFDM) 6. Describe the frequency spectrum for the DSSS channels in 802.11b wireless networking. It implements 14 channels (each consuming 22 MHz) over approximately 90 MHz of RF spectrum in the 2.4 GHz ISM (industrial, scientific, and medical) band. 7. Define a pseudorandom sequence as it applies to FHSS. Pseudorandom means the sequence...
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...Solution | Healthcare Network Allied Telesis Healthcare Network Construction Guidebook Contents Healthcare Network Solution | Introduction Outline of a Healthcare Network Importance of the network Main requirements in designing a healthcare network Non-stop Network Network bandwidth and QoS (Quality of Service) Data capacity Network bandwidth and cost of LAN devices QoS (Quality of Service) Redundancy and proactive measures to overcome network failures Core switch redundancy Comparison of redundancy of communication Loop protection Secure and Reliable Network Security Importance of security: both physical and human factors Threats to network security Network authentication External network (Internet) connection Inter-regional cooperative healthcare network Effective use of Wireless LAN Security in Wireless LAN Install and operation of Wireless LAN Ease of Operation Critical issues for network operation SNMP (Simple Network Management Protocol) Measures against system failures; device failures, incorrect wiring Use of SNMP IPv6 Network Configuration Example Network configuration for hospitals with fewer than 100 beds Network configuration for hospitals with more than 100 and fewer than 200 beds Network configuration for hospitals with more than 200 beds (i) Network configuration for hospitals with more than 200 beds (ii) 3 4 4 5 7 7 7 8 9 10 10 11 12 13 13 13 14 15 19 20 21 21 22 23 23 24 24 25 26 27 28 30 32 34 2 | Healthcare Network Solution Healthcare Network...
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...I. Computer Dynamics Computer Dynamics is a microcomputer software development company that has a 300-computer network. The company is located in three adjacent five-story buildings in an office park, with about 100 computers in each building. Each building is approximately 90 feet long by 50 feet wide. They are set about 100 feet apart. The current network is poorly design for its current needs and must be completely replaced. Describe the network you would recommend and how it would be configured with the goal of building a new network that will support the company’s needs for the next 3 years with few additional investments. Figure 11.16 provides a list of equipment and costs you can use to build your network. You will need to make some assumptions, so be sure to document your assumptions and explain why you have designed the network in this way. We need 5 switches has 24 ports each in each floor to create the access layer of the network and also we need 100 Cat 5 cables in each floor to connect the computer to the switches. All the switches in the four floors are connected to core layer 3 switch using fiber optic cable to handle this huge number of connection. creating Vlans on each access layer switches to give privileges to each group of users can reduce the process in the core switches. then we can create a link between the core switch and the router. The router have T3 wan interface and connection with ISP pop to provide 44.370 Mbps can be pretty good for 300 users...
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...NT1210 FINAL PROJECT INTRO TO NETWORKING Computer lab design Item | Qty | Description | Price | Item code | Total | HP All-in-One PC | 32 | 18-5110 (G4B05AA#ABA) AMD Dual-Core Processor E1-2500 (1.40GHz) 4GB DDR3 500GB HDD 18.5" Windows 8.1 | $309.99 | Item#: N82E16883280514 | $9,919.68 | Tri-Band Gigabit Wireless Router | 1 | NETGEAR R8000-100NAS Nighthawk X6 AC3200 | $299.99 | Item#: N82E16833122611 | $299.99 | Laser Printer | 2 | Samsung SL-C1860FW/XAA Up to 19 ppm Color Wireless 802.11b/g/n | $224.99 | Item#: N82E16828112551 | $250.00 | 48-Port Fast Ethernet Smart Switch | 1 | NETGEAR ProSAFE FS750T2NA w/ 2 Gigabit Ports 10/100 Mbps | $214.50 | Item#: N82E16833122082 | $214.50 | Pivot-Plug Surge Protector | 3 | BELKIN BP112230-08 8 Feet 12 Outlets 4320 Joules | $33.99 | Item#: N82E16812107131 | $101.97 | Printer/Fax Stand | 1 | Safco 5206BL Under desk, 1-Shelf, 19w x 16d x 13-1/2h, Black | $56.99 | Item#: N82E16848045141 | $56.99 | Wireless Keyboard and Mouse Combo - Black | 32 | Logitech MK520 2.4GHz | $39.95 | Item #: N82E16823126192 | $1278.40 | Black Cat 6 Network Cable | 8 | Link Depot C6M-25-BKB 25 FT | $7.99 | Item #: N82E16812189032 | $63.92 | | | | | Total | 12,185.45 | Labor charge | $22.00 | 5 Technical assemblers | 20 hrs. | | $2,200 | | | | | Total | 14,385.45 | taxes | $.07 | | | | $.07 | | | | | Total | 15,392.432 | Justification for product necessity. In order to turn this classroom into a computer...
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...Varna Free University “Chernorizec Hrabar” ------------------------------------------------------------------------Institute of Technology Introduction to Computer Networking Prof. Teodora Bakardjieva 1 1.0 Introduction The purpose of the networking guidelines are as follows: to assist students in understanding the benefits of networking to help students place in context their current stage of networking development in their school. to assist students in planning the next stage of network development in their school. to provide standard networking ‘models’ and best practice to students that will assist students in their network planning. This document includes information under the following main headings: Introduction to Networking Advantages of Networking Types of Networks Models of networking appropriate to students NCTE recommendation to students Some relevant terms. 1.1. Basic of Networking A computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other. Fig 1 gives an example of a network in a school comprising of a local area network or LAN connecting computers with each other, the internet, and various servers. 2 File and Print Server CD or Multimedia Servers Access to: Internet content & learning resources, Scoilnet etc Email communication Users computers Cache, Proxy, Filtering, Firewall Server ...
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...Business networking is a socioeconomic business activity by which groups of like-minded businesspeople recognize, create, or act upon business opportunities. A business network is a type of business social network whose reason for existing is business activity. There are several prominent business networking organizations that create models of business networking activity that, when followed, allow the business person to build new business relationships and generate business opportunities at the same time. A professional network service is an implementation of information technology in support of business networking. Many business people contend business networking is a more cost-effective method of generating new business than advertising or public relations efforts. This is because business networking is a low-cost activity that involves more personal commitment than company money. Country-specific examples of informal networking are guanxi in China, blat in Russia, and Good ol' boy network(US)/Old boy network(UK). In the case of a formal business network, its members may agree to meet weekly or monthly with the purpose of exchanging business leads and referrals with fellow members. To complement this business activity, members often meet outside this circle, on their own time, and build their own one-to-one business relationship with the fellow member. Business networking can be conducted in a local business community, or on a larger scale via the Internet. Business networking...
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...WIRELESS NETWORKING Introduction A wireless network is any type of computer network that uses wireless data connections for connecting network nodes .Wireless networking is a method by which homes, telecommunications networks and enterprise (business).Installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure. Examples of wireless networks include cell phone networks, Wi-Fi local networks and terrestrial microwave networks. Wireless network made up of There are two kinds of wireless networks: * An ad-hoc, or peer-to-peer wireless network * Access point Ad-hoc or peer-to-peer wireless network It consists of a number of computers each equipped with a wireless networking interface card. Each computer can communicate directly with all of the other wireless enabled computers. They can share files and printers this way, but may not be able to access wired LAN resources, unless one of the computers acts as a bridge to the wired LAN using special software. (This is called "bridging") Each computer with a wireless interface can communicate directly with all of the others. Access point or base station A wireless network can also use an access point...
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...Wiring a LAN * * * Task 1: Communicating on a star topology Procedure 1. Disconnect your lab computer from the ITT LAN and plug in your network cable to the ITT lab computer. 2. Connect the other end of your network cable to the hub provided by the instructor. Answer the following questions: a. What is the purpose of the hub? b. What is the topology you are creating? 3. Turn on the hub and verify that a link light is illuminated both on the computer’s network interface card (NIC) and the network hub. If not, check with the instructor. Answer the question: a. What does the link light indicate? 4. On the workstation, open a command prompt by clicking START> RUN and type CMD. 5. Next, type the IPCONFIG/ALL command to determine current TCP/IP settings for clients on a network. Record the following: a. Your computer’s IP address b. Classmate’s IP address connected with your hub 6. Next, use the PING command to verify network connectivity between clients. Type PING XX.XX.XX.XX at the command prompt where XX.XX.XX.XX is the IP address that you recorded in Step 5b. 7. You will receive ICMP replies from your classmate’s computer illustrating that your computers are connected and communicating. If not, you can check with your instructor. 8. Now, unplug your network cable from the hub and repeat Step 6. What was the result? 9. Unplug your cable from the ITT computer. Replace the ITT UTP cable to the ITT computer...
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...Social networking sites are a part of everyday life and they have brought revolutionary changes in communication between people. These sites provide different resources such as email and instant messages in one place. Availability of these resources makes the communication easy and faster. When we look at the social impact of social networking sites, we find that these sites have both positive and negative effects. Because of this fact, it is necessary to analyze both advantage and drawbacks of social networking sites. Undoubtedly, social networking sites are advantageous to young generation. With the help of these sites, people can communicate and express themselves by exchanging messages and comments. Social networking sites help in establishing connection with people, friends and relatives. These sites can be accessed from any part of the globe. Therefore, a person can interact with any person from any place. For example a student can clear his doubts with the help of a teacher. People having different professions can make groups like doctors, lawyers, students, poets, writers, social workers etc. The most common disadvantage of social networking sites is addiction. Often users of these sites get addicted to it. They spend hours using these sites and it harms their performance in other fields. It causes mental health problems and sometimes it harms their body too. Sometimes users provide their personal information to others which is insecure. We can see clearly...
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...Social Networking in our daily life Social network is a structured set of organisations between a set of dyadicties. The network provides a bundle of methods to manage the pattern of social enities. Some of the methods used in social entities are related to communication. Facebook, Viber, Skype and WhatsApp are the top communities used around the world. Social network works with the help of social networking service. Social networking service is a platform to build social relation among people who share their interests and activities. There are many types of social services as Facebook, Viber, WhatsApp, Tango, WeChat, Skype and Instagram. They allow you to share your photos, feelings and other activities with your friends, by clicking a few keys on your mobile phone or PC. There are many advantages and disadvantages of social netorking. If we take a look at these communities we see many benefits crawling towards us. The most appealing benefit is that they make the way to communicate with our family and friends much more easier. We can share photos, videos and talk to them. If we even take a closer look, we see many harmful effects coming towards us. The most harm done is that our eye sight gets weak. We waste a lot of time in talking which we have to consume in our schedule to study. The final decision which comes after this whole discussion is that social networking is useful in some ways. It should be used when needed and not to spend extra time on these...
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...Brandon Hellbach Unit 6 Labs Lab 6.1: Wireless Broadcast Domains Exercise 6.1.1 – A Basic Service Set does exactly what its name says; basic wireless service, one and only one AP creates the wireless LAN. Extended Service Set extends the wireless functions of a Basic Service Set. The difference is that in a BBS uses one AP to create one wireless LAN while an ESS uses more than one AP to create one wireless LAN. Exercise 6.1.2 – IEEE 802.11 Standards Standard | Frequency (GHz) | Maximum Transmission Rate (Mbps) | Standard Indoor Transmission Range (m) | Standard Outdoor Transmission Range (m) | 802.11a | 5 | 54 | 40 | 100 | 802.11b | 2.4 | 11 | 70 | 150 | 802.11g | 2.4 | 54 | 38 | 140 | 802.11n | 2.4 or 2.5 | 600 | 75 | | Lab 6.1 Review 1. It uses a beacon like transmission to find other devices on IBSS mode and on the same SSID to connect and share. 2. Infrared has a very short range and cannot penetrate walls and other objects making radio frequency superior. 3. Although WLANs have a lower speed they are more convenient than wired LANs. So the trade-off is speed for convenience of not having wires everywhere which is why WLANs are more common in households. Lab 6.2: Identifying WLANs Exercise 6.2.1 - What information about the wireless networks is available using the utility? The utility provides the name, signal strength, and MAC address of the available wireless networks. What information is given on the wireless networks with the Windows...
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...Networking Proposal for Rubha Reidh Name Institution Table of Contents Abstract 3 Introduction 5 Overview of Satellite Link Technology 7 Overview of Fibre Optics Link Technology 9 Choice of Satellite over Fibre Internet Connection 10 Wireless Networking Design 12 Mesh Network Backbone 13 802.11 Access Points 15 Intranet Services 16 Challenges 16 Proposed System Design 17 Phase I: Bed and breakfast building to include the private rooms, common area and lounge 17 Phase II: Extending to cover the lighthouse and associated surrounding area 18 Budget 18 Phase I Deployment 18 Phase II Deployment 19 References 21 Abstract The aim of the Rubha Reidh internet project is to construct a robust computer network to encompass the whole lighthouse area using a high speed and reliable internet connection. This has been determined as mesh networking technology. This network will deliver access to email, Web pages, and internet resources for users in the lighthouse area, using both laptops and desktops, as well as mobile devices with connectivity capability. By leveraging the usage of robust and inexpensive wireless network technology, this plan will substantially decrease expenditures for ensuring internet connectivity for the whole lighthouse area, as well as allow better elasticity in planning and expansion. Rubha Reidh is an automated lighthouse that is located in the Scottish remote western coast. Its remoteness stems from the fact that its nearest neighbour is Melvaig...
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...What is Social Networking Website? The definition of social networking is “the relationships that exist between network of people” (Walter & Ribiere, 2004). Today, when we talk about social networking, we think of social networking websites like Facebook, MySpace, and Twitter, which are the top three popular social networking sites in the United States (Alexa.com, 2010). These sites are defined as web-based platforms that allow individuals to build their own profiles and reflect social relations. The users of these sites are able to “articulate a list of other users with whom they share a connection, and view and traverse their list of connections and those made by others within the system” (Boyd &Ellison, 2008). Within the system, the users are able to present themselves, articulate their social networks, and establish or maintain connections with others; moreover, these social networking websites can be oriented toward different fields like work-related, romantic relationship related, interest sharing related, or student community (Ellison, Steinfield & Lampe, 2008). Mostly, users participate in these sites for interaction with their friends or meet new people. With these sites, they provide various features such as profiles, comments, private messaging, photo-sharing, and video-sharing capabilities; moreover, with the improving technology, now users are capable of using mobile phones to achieve online interactions. How Popular are Social Networking Websites? According...
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