Routers

UNICEF (United Nations International Children Emergency Fund) is available world-wide to provide aid or response to developing countries during natural disasters such as tsunamis, floods, earthquakes or tornadoes. The main objective of the United Nation’s program is to provide relief for women and children in need. Natural disasters are unpredictable and can happen at any given time. In most cases, UNICEF is deployed in scenarios similar to war zones with many civilians undergoing strict…

When many think of the NSA’s data collection programs, the first thought is of whistleblower Edward Snowden, who leaked classified American documents in 2013. These documents revealed to Americans the ways the NSA collected their information for investigation. The agency was found wrongfully collecting information from other countries such as China to investigate previous attacks on the U.S. Department of Defense (Cate 31). Domestically, one of the biggest things Americans learned about was…

are represented by a continuous waveform? A) Optical B) Digital C) Laser D) Analog Answer: D 30. To use the analog telephone system for sending digital data, you must also use: A) a router. B) twisted wire. C) DSL. D) a modem. Answer: D 31. Which type of network is used to connect digital devices within a half-mile or 500-meter radius? A) WAN B) Microwave…

Kenneth Hartlaub 1. The Open Systems Interconnection Model (OSI) The Open Systems Interconnection (OSI) model contains seven helpful layers that perform specific services in accordance with their layer. It is a logical model of how network systems communicate to each other in a series of protocols. These layers include the Application layer, the Presentation layer, the Session layer, the Transport layer, the Network layer, the Data Link layer, and the Physical layer. The descriptions of each…

The Importance of Cybersecurity for the Future December 25th, 2014, a DDoS attack lands on major companies Sony and Microsoft. The result? Their servers were shut down for time varied on ranging from twenty-four hours to a few weeks. A DDoS is a distributed denial of service attack, and it is illegal. These attack are meant to take down companies’ servers. All of this could have been prevented if these companies focused more on their security rather than their profits. The group responsible for…

Since the first computer has been created, computer scientists and computer engineers have consistently pushed for the advancement of computational power. The computational power of hardware has grown exceptionally, yet businesses still struggled with how to properly utilize this resource. Hardware was especially expensive shortly after it was produced, and most could focus on only one specific server application which drastically hindered the network structures that users were trying to…

Assignment 2 Data Communication- Net Centric Question 1 CDMA is what that have a several protocols that was used in the 2G and 3G wireless communication. CDMA is a service that provide all the communication overall and it also provide in major service in network capacity. CDMA service is mostly used in Cell phone and it can be easily be used for communicating terminal with two base stations. CDMA is a form of multiplexing, which allow a number of signals to work on a single transmission…

Loon project will connect all the world to the internet, so people even in rural areas will have access to information and knowledge. Balloons with wifi routers will fly all over atmosphere, change positions and spread the internet. The Self-driving car is an innovation which was invented by Google X in 2009. It functions based on certain question built within it to answer while on the road. The…

Should Electronics Be More Restricted In Our Society Do you remember how when something tragic happened in your life, you could always rely on your best of best friends? You remember those hugs full of tender love that they gave to you, as you felt the harsh stinging of tears roll down the side of your face? Well to put it simply, it’s all coming to an end. Due to the constant use of electronics instead of human interaction it could be said that we as people are actually being demoralized, and…

Introduction Cisco System, Inc. an American multinational, headquartered in San Jose, California, U.S.A was founded in the year 1984 by two Stanford computer scientists. The company’s product range involved networking components with routers being the primary product. Tremendous structural \and organizational changes took place in the company during 1988, John Morgridge was hired as the CEO and was responsible to develop a professional management team. Cisco went public in the year 1990, after…