University Of Illinois - Urbana-Champaign

US Data center energy usage percentage - Answer 3% Order of power usage for wireless technologies - Answer metro & core networks < data center < wifi(local) < mobile (4g) Pn - Answer Power consumption at n percentage CPU utilization Pn = (Pmax - Pidle)*n/100 + Pidle WSC - Answer Warehouse Scale Computers type of datacenter host hardware and software for multiple units or companies on a shared resource Biggest Power usages for cloud computiing - Ans...

Week 1 - Answer If you have a table with five fields and ten records, and you pivot three of the fields, how many records does the resulting table have? 7 records 10 records 13 records 30 records - Answer 30 records When you pivot three fields, then you would replace each record in the previous table with three records in the new table. Each of those three new records would not have the three pivotted fields, but would instead have a new field indicating the previous rec...

Which of the following is NOT considered a PaaS? Google AppEngine Amazon AWS Lambda Amazon Elastic BeanStalk Microsoft Azure App Service - Answer Amazon AWS Lambda Lambda is an example of a FaaS Which of these is not considered serverless computing? Platform as a Service (PaaS) Function as a Service (FaaS) Metal as a Service (MaaS) - Answer Metal as a Service (MaaS) MaaS requires its users to run services on bare metal i.e., configure the server yourself and hence is not ...

A segmentation fault is an example of a(n) _____________ page fault - Answer Invalid The _______________ has PID 1 and has several special properties - Answer init process When a file is removed from a directory, in reality _________________ - Answer One link to it is removed A process can send data to another process via __________________ - Answer A pipe When a user-space program needs to perform a privileged operation, it ________________ - Answer Exe...

Sink - Answer A node of a DAG with no exiting edges Spanning Tree - Answer A subgraph containing all vertices for a graph if it is connected Floyd-Warshall Algorithm - Answer Computes the shortest path between all pairs of vertices. O(n^3) time. Divide and conquer three steps - Answer 1. Divide, 2. Delegate, 3. Combine Increasing recursion subsequence runtime - Answer O( n^( log( r, c ) ) ) Forward Edge - Answer An edge (u,v) such that v is a de...

is every finite language regular? - Answer yes How to show exclusion in regular languages? - Answer R w what is the precedence order for regular expressions - Answer *, then concat, then + what is 1^+ - Answer at least one 1 How is a DFA defined? - Answer M = (Q,Sigma,Delta,s,A) what does δ*(q,w) mean? - Answer the transition function for strings, applies the transition to a string of chars How to get compliment languages - Answer ...

1. List the following forms of IPC from faster performance to slower performance: files, named pipes and memory mapped files - Answer Slow/Medium (FS or network involved): Files Fast (System Calls required like context switches): Named Pipes Very Fast (Virtual Memory Manager involved): Memory Mapped Files Slow/Medium IPC - Answer Files Fast IPC - Answer Named Pipes Really Fast IPC - Answer Memory Mapped Files What are named pipes? - Answer Named pipes ...

the medical examiner or coroner completes and signs the death certificate if the cause of death was an accident, suicide, or homicide, or if the attending physician is unavailable - Answer true health insurance statistics provide a generally representative picture of the health status of the US population - Answer false studies of the effects of exposure to teratogens have used data from - Answer birth certificates

four key mathematical terms are introduced - Answer • Ratio, Proportion, Percentage, Rate • All are related to basic epidemiologic measures pertaining to: • Frequency of disease in populations • Risks associated with exposures to disease agents counting and tabulating cases - Answer • Data cleaning: the review of data for accuracy and completeness • A clean data set contains a group of data that are ready for coding and analysis graphical presentations - Answe...

A disease that’s endemic to the Western Hemisphere is a. West Nile virus because we expect cases each year b. influenza because we are seeming more cases than expected c. Zika, because it was a widespread outbreak across the region d. Ebola, because cases occurred locally in Texas - Answer a.West Nile virus because we expect cases each year The focus on examining causal hypothesis regarding the association between exposures and a health condition is quintessential to - Ans...

What is the measure for an Ecological study - Answer correlation coefficient (R) What is the measure for a Cross-Sectional study - Answer prevalence What is the measure for a Case Control study - Answer odds ratio What is the measure for a Cohort study - Answer relative risk What is the measure for an Experimental study - Answer relative risk In which 2 studies do you look exposure and disease at the same point in time? - Answer ecological & cro...

Internal Validity - Answer a study has internal validity if there have been proper selection of study groups and a lack of error in measurement. Concerned with the appropriate measurement of exposure, measurement of outcome, and association between exposure and disease. External Validity - Answer the ability to generalize beyond a set of observations to some universal statement. 2 Sources of Error in Epidemiology - Answer Random errors Systematic errors (bias) Random ...

Epidemiologic methods can be applied to which of the following public health-related fields? - Answer All of the above (health education, healthcare administration, environmental health) Which of the following is not considered a use of epidemiology? - Answer To provide healthcare services to specific individuals Whether a contaminated food, such as tomatoes, caused an outbreak of gastrointestinal disease is a simple example of: - Answer A causal association Which of t...

John Snow, Author of Snow on Cholera: - Answer Was an early epidemiologist who used natural experiments. Which of the following activities characterizes a clinical approach? - Answer Description of specific signs and symptoms in a patient Lung Cancer is the leading cause of cancer deaths among both males and females in the United States. - Answer True The Framingham Heart Study, begun in 1948, pioneered research into coronary heart disease risk factors. - Answer ...

Epidemiologic methods can be applied to which of the following public health-related fields? a. health education hcare administration c. environmental health d. all of the above - Answer d. all of the above Which of the following is not considered a use of epidemiology? a. To study the workings of health services in the community b. To diagnose the dimensions and distributions of disease within a community c. To provide healthcare services to specific individuals d. To search ...

What data source has the advantage of being almost nearly complete in the U.S.? A.Reportable disease statistics B.Mortality statistics C.Birth statistics D.B and C - Answer D. B and C (mortality statistics and birth statistics) Which of the following is not one of the four criteria for the utility of epidemiologic data? A.The nature of the data B.The completeness of the data C.The reason the data are collected D.The availability of the data - Answer the reason the data a...

determinant - Answer factor or event that is capable of bringing about a change in health. 2 types of determinants? - Answer biological and chemical distribution - Answer the frequency of disease occurring may vary from one population group to another morbidity - Answer designated illness mortality - Answer deaths that occurr epidemic - Answer occurrence in an community of cases of an illness endemic - Answer disease that is habitually ...

What is a cosmology? - Answer the understanding of the nature of the universe What is ontology? - Answer the study of being What is animism? - Answer Everything is alive and has some type of spiritual quality what is animism focused on? - Answer Less of a focus on the individual and more about their relationships and connections with each other What are the Sakha offerings? - Answer Cloth strips are tied to a tree and strung out along a rope called Salam...

Anthropology - Answer Study of humans, their cultures, and their biology. Paleoanthropology - Answer Biological study of past human populations. Bioanthropology - Answer The biological study of current human populations. Archaeology - Answer The study of past human cultures through their material remains. Ethnology - Answer The study of human cultures. Forensic Anthropology - Answer The application of the study of humans to situations of modern ...

RFLP - Answer Restriction Fragment Length Polymorphism. Isolates certain regions of DNA that are made up of core base pair sequences that are categorized by repeating a different number of times throughout the human population. Required relatively large amount of DNA to work properly. Combined DNA Testing System - Answer Under the FBI, a three-tiered ________ _________ ___________ ________ database has been created that contains nearly 10 million DNA profiles. Any department can m...