what are three main functions of data link layer
Safeguarding Public and Environmental Health: What are the Necessary Requirements of UV Reactor Validation Protocols?
Ngày tải lên: 05/09/2013, 09:08
What are the possible causes of child abuse? pot
... If this What are the possible causes of child abuse? What, in your opinion, are the possible causes of child abuse? Most child-abuse victims seem to be children of parents who are too busy ... demands of work is already enough to fray the nerves of the parents. Further demands from the children at home might cause a nervous reaction on the part of the parents. Some parents, in ... So they are surely not going to be patient with someone else’s children. Child-abuse is the result, often worse than what the parents can mete out. People living in the country are less...
Ngày tải lên: 21/07/2014, 20:20
báo cáo khoa học: "Innovation in mental health services: what are the key components of success?" pot
... specific aspects of mental health treatments such as medications are often identified as problematic and needing reform [11], mental health innovation is rarely the topic of focus in and of itself. ... there appeared to be an imbalance between conducive and impeding factors, with a clear higher prevalence of conducive conditions both in terms of the volume of items and the number of occurrences. ... management are unwilling to share power [21,22]. An example of this, which jeopardized the existence of one of t he projects, relates to changes within the host organisation of one project based within...
Ngày tải lên: 10/08/2014, 11:20
báo cáo khoa học: " Introducing oral tobacco for tobacco harm reduction: what are the main obstacles?" potx
... 2 of 6 (page number not for citation purposes) are characterized by an increase in the number of smokers, mainly due to a sharp rise in female smoking [6]. As a result, hundreds of millions of ... risks of a low-nitro- samine smokeless tobacco product compared with smoking cigarettes: estimates of a panel of experts. Cancer Epidemiol Biomarkers Prev 2004, 13:2035-2042. 11. Royal College of ... self-administration of nicotine induces a feeling of pleasure, contributing to its recrea- tional use, while cigarette sharing is part of its social acceptability. In view of the popularity and...
Ngày tải lên: 11/08/2014, 18:20
Why do people in general and business managers in particular need to plan ahead? What are the side effects of not planning?
Ngày tải lên: 23/03/2015, 10:58
Tài liệu Module 7- Data Link Layer CCNA Exploration 4.0 pptx
... Data Link Layer Protocols- The Frame 31 ã Remember that although there are many different Data Link layer protocols that describe Data Link layer frames, each frame type has three basic ... Overview Upon completion of this chapter, you will be able to: ã Explain the role of Data Link layer protocols in data transmission. ã Describe how the Data Link layer prepares data for transmission ... Connecting Upper Layer Services to the Media 11 ã To support a wide variety of network functions, the Data Link layer is often divided into two sublayers: an upper sublayer and an lower sublayer. –...
Ngày tải lên: 22/12/2013, 13:17
What are the advantages and disadvantages of supermarkets
... recipt and you are given a new one or your money back. Not to forget about sales and special offers such as "buy one get one free" or "two for the pirce of one" are always found ... may be the only source of living of then. To conclude I would like to express my opinion which rather possitive. I think that supermarkets are great creatures and the more of them the better. ... actually need. For many of us the major disadvantage of shopping in supermarkets id that it is time consuming and it takes a while to getthere and back. Big stores are also quite dangerous...
Ngày tải lên: 23/10/2013, 02:15
What are the advantages of being sefl-employed
... Most of what you earn doesn't go into your pocket. In fact, the money you get from your employer is skimmed off your paycheck in many ways. What are you left with? Only a fraction of what ... http://choosing- careers.suite101.com/article.cfm/five_reasons_to_be_self_employed#ixzz0CqBmYJLX&B Here are additional benefits of self employment. ã There are no office politics. ã There are no difficult ... to pay your full share of FICA and Medicare, which up to then was half the responsibility of the employer. Unless you are willing to meticulously learn the bookkeeping end of things, you will...
Ngày tải lên: 27/10/2013, 09:15
Tài liệu The Three Principles of Data Center Infrastructure Design pptx
... Reserved WHITE PAPER Page 3 The Three Principles of Data Center Design When you understand the three principles of data center design, you are able to: ã Lower your total cost of ownership ã Support ... outside world, huge streams of data are transferred to and from equipment areas at extremely high data rates. The infrastructure must consistently support the flow of data without errors that ... percentage of terminations as copper, fiber optic cabling and connectivity is a significant part of the data center. Fiber links are also the most critical links because they carry data to and...
Ngày tải lên: 24/01/2014, 11:20
Tài liệu HOW INTERNET PROTOCOL-ENABLED SERVICES ARE CHANGING THE FACE OF COMMUNICATIONS: A LOOK AT VIDEO AND DATA SERVICES ppt
... ‘‘How Internet Protocol-Enabled Services Are Changing the Face of Com- munications: A Look at Video and Data Services.’’ Video and data are the second and third legs of the three- legged IP-enabled stool. ... is my goal to ensure that all three legs of the IP-enabled stool are covered by whatever we do. Anything short of that could ham- per deployment of the widest range of IP-enabled services to the American ... location of the device, we can make the assumption of what channels are received there. So instead of putting up an antenna, we are able to broadcast using the Internet. Now in the interest of time...
Ngày tải lên: 18/02/2014, 00:20
Nano means one billionth major aspects of nanotechnology what is it how did it come about what are the social implications
... Major Aspects of Nanotechnology Major Aspects of Nanotechnology ã What is it? ã How did it come about? ã What are the social implications? ã What does this mean for the future? ... from Kosovo) Major Aspects of Nanotechnology Major Aspects of Nanotechnology ã What is it? ã How did it come about? ã What are the social implications? ã What does this mean for the future? ... the bloodstream Major Aspects of Nanotechnology Major Aspects of Nanotechnology ã What is it? ã How did it come about? ã What are the social implications? ã What does this mean for the future?...
Ngày tải lên: 15/03/2014, 22:13
Accuracy of Clinical Signs in the Diagnosis of Pulmonary Tuberculosis: Comparison of Three Reference Standards Using Data from a Tertiary Care Centre in Rwanda doc
... Features of Different LCA Models Fitted to the Data. Numbers of Classes, Manifest Variables and Dependencies, and Goodness of Fit for the 5 Models Model Number of Latent Classes Number of Manifest ... Science Publishers Ltd. Accuracy of Clinical Signs in the Diagnosis of Pulmonary Tuberculosis: Comparison of Three Reference Standards Using Data from a Tertiary Care Centre in Rwanda Mugabekazi ... under treatment, we excluded the majority of multidrug resistant TB, though these are still rather rare in Rwanda (3.9% of new cases) [34]. The exclu- sion of miliary TB and TB pleurisy was dictated...
Ngày tải lên: 22/03/2014, 18:20
How Do Earnings Change When Reservists Are Activated - A Reconciliation of Estimates Derived from Survey and Administrative Data docx
... estimates of earn- ings changes derived from SOFS-R and administrative data differ. Matched SOFS-R and Administrative data Our analyses employ a unique dataset consisting of individual SOFS-R responses ... derived from SOFS-R and administrative data might differ for a number of reasons. e SOFS-R and administrative data differ in the samples of reservists surveyed, the way earnings are defined, and ... Activated? Table 3.3 Comparison of Mean Military Earnings in SOFS-R and Administrative Data (in dollars) SOFS-R Administrative Data SOFS-R Minus Administrative Data % Difference A. 2004, Earnings...
Ngày tải lên: 23/03/2014, 02:20
Outline môn Tiếng Anh - What are the good and bad points of advertising from the view point of a consumer?
... What are the good and bad points of What are the good and bad points of advertising from the view point of a consumer? advertising from the view point of a consumer? Topic 12 LEAFLET WEAKNESSES Advertising ... number of consumers, in short time at low cost. Besides these advertising methods also help the suppliers be active choosing what particular customers for advertisement objects . What are ... interested in the purchase of that products because she/he is their idol. For example, My Tam Singer advertised for Pepsi so there are many people use Pepsi products instead of Coca cola. Advertising...
Ngày tải lên: 02/06/2014, 15:10
báo cáo khoa học: " What are possible barriers and facilitators to implementation of a Participatory Ergonomics programme?" docx
... authors was held. For all data extracted, a qualitative software program (Atlas.ti ver- sion 5.2) was u sed to electronically code and man age data, and to generate report s of coded text for analysis. To ... on professional practice and health care outcomes. Cochrane Database Syst Rev 2008, CD004398. 24. Pope C, Ziebland S, Mays N: Qualitative research in health care. Analysing qualitative data. ... individual professional (i.e., awareness, motivation to change, and routines); the patient (i.e.,knowledge,skills,and attitude); the social context (i.e., culture of network, opinions of colleagues, and...
Ngày tải lên: 10/08/2014, 10:23
báo cáo khoa học: "Predicting prognosis of breast cancer with gene signatures: are we lost in a sea of data?" docx
... phenotypes of breast cancer explain many of these apparent contradictions in the literature. Three features of breast cancer gene expression contribute to this: the large number of individually ... be puzzled by the diversity of signatures that are being developed for the same purpose but that share few or no common genes. The history of empirical development of prognostic gene signatures ... genes are associated with outcome in homogeneous disease subsets and the magnitude of association is modest when currently available datasets are analyzed. is leads to predictors that are specific...
Ngày tải lên: 11/08/2014, 12:21
Báo cáo y học: "What are the challenges of translating positive trial results in severe sepsis into clinical practice" pptx
... time? Crit Care Med 2002, 30:461-472. 7. Matot I, Sprung CL: Definition of sepsis. Intensive Care Med 2001, 27(suppl 1):S3-S9. 8. American College of Chest Physicians/Society of Critical Care Medicine ... organ dysfunction/failure. On behalf of the Working Group on Sepsis- Related Problems of the European Society of Inten- sive Care Medicine. Intensive Care Med 1996, 22:707-710. 15. Fundamental Critical Care Support Course. ... Clermont G, Carcillo J, Pinsky MR: Epidemiology of severe sepsis in the United States: analysis of incidence, outcome, and associated costs of care. Crit Care Med 2001, 29:1303-1310. 6. Graf J, Doig...
Ngày tải lên: 12/08/2014, 18:21
