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Http Server - A company hosts its website and a product API on same server using the code below: let http = require("http"); let commonResponse = function(response){ response.writeHead(200, { "Content-Type": "text/html" }); response.write("Request Completed"); } let handleApi = function(req, res){ if(req.method == "POST"){ commonResponse(res); res.end(); } } let handleWeb = function(req, res){ commonResponse(res) res.end(); } http.createServer(handleApi).listen(4513); http.createServer(handleWeb).listen(4514); Select all the correct answers. AI-resistant Node.js Standard Library Easy 5 min mca Public
Currency Standards - Carefully read the excerpt below. The Bank of England has hardened(1) its stance on Facebook’s Libra digital currency, telling the social media company it must meet its highest standards to get the green light for launch in Britain. In its toughest intervention to date, the central bank’s financial policy committee (FPC) said digital currencies such as Libra would need to reach the same high standards as those of traditional payments. In practice, that would mean digital wallets enabled to hold Libra hitting standards that other cryptocurrencies have so far avoided. These include being part of the UK’s financial services deposit protection scheme, holding capital(2) to protect consumers, and being subjected to central bank stress tests. In a warning to Facebook, the Bank’s quarterly FPC assessment of emerging financial risks said: "If payment tokens were used widely to facilitate routine payments, they should have the same level of operational resilience(3) and safeguarding as the use of debit cards to make payments from current accounts." (Adapted from original text source.) AI-resistant English Comprehension Context Passage Set Easy 5 min mmcq Public
Malware Analysis - Your company is analyzing malware which targets numerical record files. The malware uses a sliding window over the array of numbers in a file, and tries to match the following pattern: T, -, -, X, -, -, -, T Where the position ‘X' is compared to each position 'T'. The window is moved so 'X’ passes through all the values. The malware has the following rules: If any of the ‘T' positions in the pattern are bigger or equal to 'X’ the malware replaces 'X' with 0. If the 'X' position in the pattern is near the left or right border and is missing a 'T' position neighbor, only the other side is considered. The malware finds all the positions first and only then sets them to 0. For example, if the values in a record file are the following: { 1, 2, 0, 5, 0, 2, 4, 3, 3, 3 } The expected values after the malware runs are: { 1, 0, 0, 5, 0, 0, 0, 3, 3, 0 } In this example, number 4 was set to 0 because 5 is the bigger number. Implement the simulate function so that the malware behavior is replicated for further study. New AI-resistant C Arrays Iteration Easy 20 min code Public
Performance Reviews - Your company sells tea and coffee to a variety of customers through its sales representatives. The sales manager is preparing for the annual performance reviews in which he reviews the achievements of all the sales representatives as a basis for discussing bonus compensation and raises. He asks you to prepare some pivot tables to help him prepare for these reviews: For Pivot Table 1, you’ll show Total Sales by Employee per each Category. For Pivot Table 2, you’ll show Total Sales by CompanyID and Category per each Employee. Ensure that both pivot tables match the layout shown below. (Open full-size image in a new tab.) Your task is to download the ‘PerformanceReviews-RawData.xlsx’ file and execute all parts of this request. When you have completed your work, save it in .xlsx format, then upload that file for evaluation. AI-resistant MS Excel Data Management Field Groups Pivot Tables Hard 10 min filev Public
Combining Figures 2 - Select the tile below that should be placed in the unknown tile above so that all three rows above follow the same pattern. AI-resistant Abstract Reasoning Additive Elements Three Horizontal Rows Easy 2 min mcq Public
Economic Recession - Germany's economy avoided falling into recession during the final three months of last year. This means that it avoided two consecutive quarters of negative GDP growth, which is the definition of a recession. This was a small, but positive, surprise for all analysts who, after the July-to-September period that featured a 0.3% decline, predicted the continuation of this negative trend. Reasons for slower growth last year include a slowdown in the global economy and a weaker car sector, with some German consumers less willing to buy new cars amid confusion over new emission standards. Joe Johnson, senior financial analyst, told the BBC that US tariffs on EU car exports, which US President Donald Trump has threatened, could have a major impact on Germany. He thinks that, if this happens, Germany might fall into recession. What can be concluded from the text above? AI-resistant Verbal Reasoning Critical Thinking Easy 5 min mmcq Public
Business Morals - Carefully read the CEO’s speech to the company’s investors. Our products should not be creating anger between people, even if it is profitable. As long as I’m CEO, this company will not be a supporter of that approach. As members of the community, we have other standards to measure against besides just profit and the last thing we want is for our products to cause bad behavior by their users. So even if the sales of some products stop growing, we’ll quickly get out other products that will make up for that without resorting to harmful tactics. And as we get more products to market faster, our prices will drop quickly, which will encourage more users to try them. In other words, our moral approach to business is something we, as a company, will cash in on. In the CEO’s speech below, which words best substitute for the corresponding bolded parts above? Our products should not be _____, even if it is profitable. As long as I’m CEO, this company will not be a _____ of that approach. As members of the community, we have other _____ besides just profit and the last thing we want is for our products to _____ bad behavior by their users. So even if the sales of some products _____, we’ll quickly _____ out other products that will make up for that without resorting to harmful tactics. And as we get more products to market faster, our prices will _____, which will encourage more users to try them. In other words, our moral approach to business is something we, as a company, will _____ on. AI-resistant English Comprehension Passage Set Synonym Hard 3 min fill Public
Malware Analysis - Your company is analyzing malware which targets numerical record files. The malware uses a sliding window over the array of numbers in a file, and tries to match the following pattern: T, -, -, X, -, -, -, T Where the position ‘X' is compared to each position 'T'. The window is moved so 'X’ passes through all the values. The malware has the following rules: If any of the ‘T' positions in the pattern are bigger or equal to 'X’ the malware replaces 'X' with 0. If the 'X' position in the pattern is near the left or right border and is missing a 'T' position neighbor, only the other side is considered. The malware finds all the positions first and only then sets them to 0. For example, if the values in a record file are the following: [1, 2, 0, 5, 0, 2, 4, 3, 3, 3] The expected values after the malware runs are: [1, 0, 0, 5, 0, 0, 0, 3, 3, 0] In this example, number 4 was set to 0 because 5 is the bigger number. Implement the simulate function so that the malware behavior is replicated for further study. New AI-resistant JavaScript Arrays Iteration Easy 20 min code Public
Fence - No matter how tired Billy is, he never slows down or stops painting. In fact, it would only take Billy 4 hours to paint a fence by himself. It would take Suzy 6 hours to paint the same fence by herself. On Friday, Billy and Suzy worked together to paint the fence, but Billy got tired after only 2 hours. How much time did it take to paint the whole fence? AI-resistant Numerical Reasoning Mechanics Work Rate Hard 5 min mcq Public
Years of Experience - An HR department analyzed the years of work experience of the company's two largest departments: Production and R&D. Based on the analysis the following report was produced: What can be concluded about the years of experience for each department? New AI-resistant Engineering Math Arithmetic Mean Median Standard Deviation Statistics Easy 5 min mca Public
Sales Comparison - You have been asked to create a column chart and need to make it look the same as the chart provided in the image below. Your task is to download the ‘SalesComparison-RawData.xlsx’ file and use your spreadsheet knowledge to create the chart shown here. You should attempt to recreate this chart using any columns colors you want, but be sure to: Create a clustered column chart. Set up the horizontal axis categories and remove horizontal gridlines to match the image. Adjust the vertical axis scale and remove vertical gridlines to match the image. Add a chart title, vertical axis title, and legend that match those displayed in the image above. Ensure your data series are in the correct order. When you have completed the chart, save it in .xlsx format, then upload that file for evaluation. AI-resistant MS Excel Axis Titles Charting Column Chart Easy 15 min filev Public
Teacups - For three days, Jake went to an auction where he spent a total of $150 on auction bidding for 5 porcelain teacups. On the way to the auction's first day, he stopped and spent $5 for a coffee before it started. On the second day he spent $100 more bidding for 3 porcelain teacups than he spent bidding for 2 porcelain teacups on the last day. How much did Jake spend on his second day? AI-resistant Logical Reasoning Attribute Substitution Hard 3 min num Public
Car Dealer - The charts below show the number of cars John sold last year and the profit per car he made. How much did John earn last year? AI-resistant Numerical Reasoning Chart Lookup Easy 5 min num Public
Car Dealer Profit - The charts below show the number of cars John sold last year and the profit he made per car. Considering all car types, in which quarter did John make the largest average profit per car? AI-resistant Numerical Reasoning Chart Lookup Hard 5 min mcq Public
Spot the Duplicates 1 - Select the tile below that should be placed in the unknown tile above so that all three rows above follow the same pattern. AI-resistant Abstract Reasoning Duplicate Elements Three Horizontal Rows Easy 2 min mcq Public
Photo Focus - Study the two images below. (Open full-size images in a new tab.) Original Image Edited Image (Images adapted from source by Jonathan Chng.) You were asked to make the original image above more vibrant and focused on the runners' upper bodies. Which effects and tools did you likely use on the original image to produce the edited image? New AI-resistant Graphic Design Design Tools Photo Editing Easy 2 min mca Public
Paper - Carefully read the following excerpt from an article on paper production: With the recovery rate of used paper for recycling approaching 70 percent in the United States and Europe, and approaching 80 percent in Japan, to keep up with our demand for paper we need to continue using fresh fiber as well as recycled, according to the premise set forward in a new report by the World Business Council for Sustainable Development (WBCSD). Detailing the reasons why fresh fiber combined with recycled is important for a single integrated wood fiber system, the report examines the “complementarity” of using both and discusses the functions of different types of fibers and the issues related to both recycling old fiber and sourcing fresh fiber. In 2012, 400 million tons of paper and paperboard were produced and consumed globally, which is double that in 1985, notes the report. As the population continues to expand and standards of living increase, this number is expected to climb by another 40 percent by 2028. While many would advocate for cutting down on paper use in the first place, in the face of global demand the most sustainable fiber may have to be the next best thing. But therein lies the rub: finding adequate quantities of said fiber will be the challenge of the global pulp and paper industry. Which statement most effectively summarizes the text? AI-resistant Verbal Reasoning Most Effective Summary Newspaper Excerpts Easy 3 min mcq Public
Violin Strings - As a customer support agent for a music equipment company you receive an email from Fatema about a violin she bought last week for her son. She says the strings broke while he was playing in his school’s holiday concert and he was embarrassed to tears. She asks what you can do to make it up to him. AI-resistant Customer Emails Customer Complaint Customer Service Easy 3 min mmcq Public
Arithmetic Circles 2 - Select the tile below that should be placed in the unknown tile above so that all three rows above follow the same pattern. AI-resistant Abstract Reasoning Numeric Representation Three Horizontal Rows Easy 2 min mcq Public
Ethernet Connections - Your manager hands you a computer component and asks you to install it in a user’s computer, then connect the appropriate cable. The component looks like this: AI-resistant Basic Computing Hardware Technical Support Easy 2 min mmcq Public

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