VOIP security (information technology) Essay Example | Topics and Well Written Essays - 750 words

VOIP security (information technology) - Essay Example In most of the cases the people don’t know that someone is between them and they believe that they are talking in a secure private network. (Ransome & John W, 2005) The attacker controls the entire conversation and intercepts all the messages then injects new ones. This the reason that we should not give any personal information to each other using VoIP networks because it is vulnerable to man in the middle attack. VoIP networks are also vulnerable to Phreaking attacks. Phreaking is the subculture activity of people we study and then experiment with telecommunication systems such as the public telephone systems. Today when telephone systems have become computerized this word is closely related to computer hacking. (Endler & Mark D, 2007) In a VoIP network the hackers alters different frequencies to get hold of the call. The attackers can manipulate the entire phone system. The use of Phreaking began when automatic switches were used in the telephone systems. VoIP networks are also vulnerable to vishing. It’s another term for VoIP Phishing. It is basically a criminal practice which uses social engineering over a telephone network. It can use the features used by VoIP networks to gain access to personal information of anyone for the purpose of reward. (Porter, 2006) The attacker makes a call and pretends to be a representative of a trust worthy organization such as your bank to gain access to your personal bank details. To avoid this kind of attack you should never give any private or confidential information through a telephone network. This is the reason that trusted companies like PayPal and other banks never ask for your personal information through emails and automated phone calls. (Porter, 2006) VoIP Spam is the repeated dialing of unwanted pre recorded phone calls with the help of VoIP features. This attack is

Examples of Key Literary Terms Essay Example | Topics and Well Written Essays - 500 words

Examples of Key Literary Terms - Essay Example In fact, this assumption is one that most people would make, given that the doctor's prognosis is that she died â€Å"of joy that kills† (Chopin, 25). The dramatic irony inherent in this judgment emphasizes the theme of propriety over actual emotion. Josephine felt not joy but grave disappointment at the moment of her heart attack (pun intended). Lines 114 to 128 in Tristan Bernard's 1915 French play, I'm Going!, also makes heavy use of satire to highlight the various chasms between Henri's expectations of Jeanne, Jeanne's behaviour, and the reality of a happy and trusting relationship. Jeanne appears to be acting normally, acquiescing to her husband's simple request to â€Å"show [him] the telegram† (Bernard, 125) she is sending to her friend. However, Henri insists that she is â€Å"not usually so obedient† (Bernard, 127), alerting the audience to the fact that such behaviour is not, apparently, normal for her. It is difficult to discern which character the aud ience is meant to support in this short exchange, because we cannot tell whether it is Jeanne deviating suspiciously from her norm, or Henri deviating from ours.

Professional Development and Research Essay Example | Topics and Well Written Essays - 1000 words

Professional Development and Research - Essay Example There is the need to incorporate organizations into research because individually; it is harder to pursue more complex research (Zuber-Skerritt, 1992). It is crucial to have such organizations incorporated into learning institutions because; there is a chance of increasing effectiveness from all quarters. This paper will examine articles that look into the growing career path taken by many, and how it is impacting school cultures. Article by Zuber-Skerritt, Ortrun on Professional development in higher education: A theoretical framework for action research. In this article, the biographer believes that by incorporating educational research and teaching in higher learning institutions, action research has a chance at giving professional development a theoretical framework. This means that different assumptions and theories about learning may be provided from the well-known paradigms of learning, considered by many, traditional. Action research involves the enquiry into different subjec ts, providing the results to the public, and actively participating in problem solving in many fields. The basics for the theoretical framework are provided in this article. It provides the foundation from which action research can build an institution, and help it address most of the issues it faces. Professional development is crucial in the growth and development of an institution. Professionals are likely to find out the best possible areas that need addressing. They can, therefore, provide theories, strategies and methods that build on this framework. Advocating for an action research model may assist education personnel develop an attitude toward problem-solving. Article by Darling-Hammond, Linda on Professional development schools: Schools for developing a profession. A description of recent trends affecting schools is found in this article. The acquisition of knowledge among schools is paid attention to by the author in the article. Schools are keen on getting this knowledge , and sharing it among institutions in their circle. They have one common characteristic; they depend on the collaboration between research practitioners to feed them this knowledge. The structure, function and philosophy that guide the professional development school are covered in the article. Such trends affect the learning environment positively. Research conducted in the same area or locality may provide an avenue for all the education facilitators. This is through sharing ideas about the development and growth of the learning environment. Eventually, this works in pushing for education reforms. The evaluation of professional development is expanding so as to allow for student achievement. This goes a long in promoting the education sector, and not just some its divisions. Training, implementation, and transfer to teacher’s repertoire (adapted from Joyce & Showers, 1995). In this article, cartain theories are presented to the audience. One, if a concept in an area of lea rning is introduced; there is the probability that a high number of people may understand its introduction. This goes for its modelling in the same capacity. However, in both cases, it is next to impossible for the learner to apply most of the skills they gain from such concepts. They tend to grasp little skills from the concepts from theoretical work. In other cases, it is possible for practice and coaching to achieve different results. Those

Media Research Method Essay Example | Topics and Well Written Essays - 3000 words

Media Research Method - Essay Example Being employed is a spectacular thing because one will fulfill his/her dreams. According to statistics released by BBC, the rate of unemployment is increasing rapidly. This results agrees with the findings from the Office of National statistics. The results gave an estimate of 115000 unemployed youth who are between the age of 18 and 24 years. On the other hand, economists have termed unemployment phenomenon as generation joblessness. This phrase has been used to illustrate how young people live with no source of living. Warnings such as the charity named the ‘Prince’s Trust’attracted the government’s attention because the forecast had revealed that many of the youth may remain unemployed throughout their lifetime. As a popular issue in the recent times, unemployment has not invented into the modern society, it is only a fact that it attained much popularity. Unemployment has been announced as one of the serious social problems which improving continuously, unemployment has flooded the media and to an extent paradoxical. For example, in September 2013, British Premier termed Britain as turning the corner after the rate of unemployment reduced thus reducing the rate of job seekers from 2009. Considered a spectacle, criticism of unemployment has been heard from various aspects. The government has been criticized for its inability to create jobs for the youth. Spectacle is not only a collection of images but

Art history comparison of two works Essay Example | Topics and Well Written Essays - 750 words

Art history comparison of two works - Essay Example River in the Catskills captures the effects of industrialization which was slowly but surely making its presence felt even in the bucolic landscape of the Catskill Mountains. Albert Bierstadt’s The Buffalo Trail retains much of the landscape without depicting any interference of modern life. Coles work is in contrast from his earlier work, and here we see there are no large trees to frame the picture and thus what we get is an open landscape. In the middle distance can be seen a locomotive engine and some railroad cars. In the foreground can be seen a man looking out at these modern contraptions, while beside him can be seen trees which have been cut down. Bierstadt’s painting, on the other hand, binds the attention of the viewer by the tall trees in the foreground and the beginnings of a storm which just may unleash itself at any moment. The two paintings differ from each other most pointedly in the use of color. Coles painting uses a large number of colors from the palette, while Bierstadt’s landscape is made up of muted colors, the emphasis being on the grays and browns. In Coles work there is no large tree, while the other painting shows the grandeur of nature, both by incorporating the big trees as well as the herd of buffaloes crossing the river. Thomas Cole’s River in the Catskills has confounded scholars because it â€Å"does not readily fall into an established category of landscape painting† (Wallach, Alan, June2002) but there is no doubt that it is a pastoral scene where we can see the distress of the artist at the encroachment of modernity. This painting is also more realistic, since we see the artist bringing in the idea of change that will necessarily follow whenever inventions begin to coexist in this pastoral scene. Bierstadt’s landscape is on the other hand a work in which we can see how the painter has given us an illusion of space. He achieves this by keeping the middle ground and background clear of unnecessary details and in

Implementation of a Communication Tool Kit To Enhance Communication Research Paper

Implementation of a Communication Tool Kit To Enhance Communication Between Healthcare Providers and Patients - Research Paper Example For the purpose it is important to improve or reduce the communication gap between healthcare providers such as physicians and patients. This will be beneficial for both physicians as well patient in improving the medical practice. Physician learns how to deliver bad news such as suffering from cancer to a patient, understanding the emotions of patient, helping them regarding decision-making such as signing an informed consent for a clinical trail. On the other hand the patient feels comfortable and understands the treatment strategies with confidence. The protocol as discussed by Stephanie, Anthony, Susan, and Susan (2002) is depicted in the Table 1. As reported in a publication Elliot et al (2006) a study was conducted by the American College of Physicians Foundation (ACPF) and the U.S. National Library of Medicine (NLM) from 2002-2005 regarding implementation of Information Prescription (or "Information Rx") Program. According this study internet with proper health websites can be a useful tool for improving communication between physician and patient. In this the ACPF and NLM recommended the physicians to encourage patients to visit the evidence based and health informative website MedlinePlus.gov. The physicians were provided with Information Prescription (or "Information Rx") pads. These pads were used to provide the information regarding the website the patient should visit in order to get clarity about the treatment apart from the regular prescription. In the protocol the promotional materials kit that was mailed to physicians of the American College of Physicians (ACP) as per the two project pilot states of Iowa and Geor gia. The contained the Information Prescription (or "Information Rx") pads along with supplementation of room posters and bookmarks for the waiting room. Two comprehensive evaluations were done the first one included the survey of pre and post-intervention Information Rx mail, performing telephonic interviews and using web log analyses. The second comprehensive evaluation included non-random selection of ninety-two physicians by ACP foundation to encourage the practices for the use and visit of website MedlinePlus.gov. It was concluded from the study that physician and patient communication gap was improved with use of Information Rx pads. The physicians found that MedlinePlus is a useful website in promoting the patients self efficacy, understanding the treatment procedures, believing on the physician more and reduced the time needed to spend to patients by a physician. On the other hand the patients were able make better health decisions, able to communicate and understand the tre atments and concept regarding the disease.In other study as suggested by Bauer (2010) Probability-Utility Model was studied as a model for improving communication between healthcare providers and patients. The model

Afghanistan-Pakistan Border Dispute Essay Example | Topics and Well Written Essays - 1500 words - 1

Afghanistan-Pakistan Border Dispute - Essay Example Individuals are engrossed in reflective thinking when they are faced with a problem, which does not provide answers. The answers, in this case, are uncertain and there is no authority to provide the correct answer. In this case, there is no specific correct answer and the problem has to be evaluated in the light of the past data. The subject of reflective thinking consists of the evaluation of beliefs and the integration of contrasting views. The problem faced in the borders of Pakistan and Afghanistan is intense as its base lies in the problem between the tribes of the area and the problem do not provide with suggestive answers. (On reflective thinking; Bajoria) The problem of the border of Afghanistan and Pakistan has a long history to it. The Afghanistan side of the border has a long history of various tribes fighting over the supremacy of the land. The British during its rule in the Indian subcontinent began to expand its empire in Central Asia where it faced the Russian opposition. The land of Afghanistan was fought over by both countries. The English fought wars in Afghanistan and won over the land. They demarcated a three-tier border system to distinguish the extension of their rule. The lines were drawn by negotiation with the then Afghan ruler King Abdur Rahman Khan. The first border was between Pakistan and the areas under the Pashtun rule. The second tier distinguished the Pashtun areas from that of Afghanistan. This is the Durand line. Sir Henry Mortimer Durand drew the borderline and it was named after him. The Durand line is the globally documented boundary between Afghanistan and Pakistan. The third frontier was the external bo rders of Afghanistan in the north. Most of the problems in the area of the border stem from the presence of tribal communities in the region.