You have a small business customer who wants to use a voice over IP .pdf

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You have a small business customer who wants to use a voice over IP (VoIP) system and subscribe to this service through his ISP using DSL. What special piece of equipment will need to be installed to provide analog-to-digital signal conversion between the phones and the digital network? A. A cable modem B. A DSL modem C. An Integrated access device (IAD) D. A multimedia terminal adapter (MTA) Solution a cable modem is anetwork bridge and modem connects bi-directional data communication radio frequncy channel on a hybrid fibar co axial and radio frequncy over glass infra structure. A digital subscriber line (DSL) modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line service for connectivity to the Internet. An Integrated Access Device (or IAD) is a customer premises device that provides access to wide area networks and the Internet. A multimedia terminal adapter (MTA), or Home Phone modem, operates much the same as a cable modem, but an MTA can deliver Home Phone service in addition to High Speed Internet. so answer is B. A DSL Modem.

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In class, we talked about all sorts of experiments. I would like to sum them up here. For each of the following, name and briefly describe an experiment that... (a)...demonstrates that light behaves like a wave. (b)...demonstrates that light behaves like particles. (c)...demonstrates that electrons behave like particles. (d)...demonstrates that electrons behave like a wave. Solution a) Young\'s Double-Slit Experiment A definitive experiment was Young\'s double slit experiment, which demonstrated that light shined at two slits in a screen show an interference pattern characteristic of waves of light, rather than particles. The principle behind this phenomenon is diffraction of light due to this any point source of light spreads and behaves like a light source. In the early 19th century, English scientist Thomas Young carried out the famous double-slit experiment (also known as Young\'s experiment), which demonstrated that a beam of light, when split into two beams and then recombined, will show interference effects that can only be explained by assuming that light is a wavelike disturbance. If light consisted strictly of ordinary or classical particles, and these particles were fired in a straight line through a slit and allowed to strike a screen on the other side, we would expect to see a pattern corresponding to the size and shape of the slit. However, when this single-slit experiment is actually performed, the pattern on the screen is a diffraction pattern in which the light is spread out. The smaller the slit, the greater the angle of spread.Similarly, if light consisted strictly of classical particles and we illuminated two parallel slits, the expected pattern on the screen would simply be the sum of the two single- slit patterns. In actuality, however, the pattern changes to one with a series of alternating light and dark bands. When Thomas Young first demonstrated this phenomenon, it indicated that light consists of waves, as the distribution of brightness can be explained by the alternately additive and subtractive interference of wavefronts. b) Photoelectric effect Experiment When light is shined on clean sodium metal in vacuum then ejection of electrons was observed. Analysis of data from the photoelectric experiment showed that the energy of the ejected electrons was proportional to the frequency of the illuminating light. This showed that whatever was knocking the electrons out had an energy proportional to light frequency. The remarkable fact that the ejection energy was independent of the total energy of illumination showed that the interaction must be like that of a particle which gave all of its energy to the electron! c) and d) Feynman\'s double-slit experiment In Feynman\'s double-slit thought-experiment, a specific material is randomly directed at a wall which has two small slits that can be opened and closed at will -- some of the material gets blocked and some passes through the slits, depending on which ones are open. Ba.

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Jane Lee was employed as a secretary at Burton Trucking. She was fired when she refused to perjure herself at a trial where her employer was the defendant. She filed a wrongful discharge lawsuit against her former employer. Ms. Lee will prevail if the state where the lawsuit was filed recognizes a public policy exception to the employment-at-will doctrine prevail only if she proves she was telling the truth will lose because the employment-at-will doctrine completely insulates the employer from liability will lose because her testimony provided the basis for a defamation lawsuit by her former employer will prevail under recent amendments to the Sarbonnes-Oxley Act Solution.

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If a function F) performs the following operations, what knd of cohesion does it have? If it has the optimal cohesion, explain why. If not, correct it. turn on a LED light; send a message to a remote computer; poll a sensor to get a reading; Solution Cohesion is the term which refers to the degree by which the various elements inside a function are related to each other. In the given list of operations, there is no clear relationship between any of the operations. Turning on the LED light and sending message to a remote computer can be assumed to be a form of signalling or notification. However, polling a sensor is clearly an input operation. Also each of the operations is independent. So, the cohesion in this function is weak. It can be categorized as the coincidental cohesion. It is the worst kind of cohesion. The operations are arbitrarily jammed into the same function without any relationship. The only relationship between them is that all of them are put into the same function. Therefore, the cohesion is weak. It is coincidental and not optimal. --------------------------------------------------------------------------------------------------------------------- - If you have any queries regarding this, please ask in the comments and I will make sure to help you with it..

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How would a subculture appear if a colony containing both S. Marcescens and M. Luteus was subcultures to a slant? How would a subculture appear if a colony containing both S. Marcescens and M. Luteus was subcultures to a slant? Solution The slant would show colonies of S marcescens and M luteus as red and yellow respectively. S marcescens is a gram negative rod shaped organism who has an unique feature of producing a red colour pigment called prodigiosin at room temperature. Whereas M luteus is a gram positive coccus shaped organism who produces yellow coloured carotenoid pigments anf grows slowly at room temperature..

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