Question
Which approach is most effective in leveraging data for
fraud detection in financial transactions?Solution
In fraud detection, historical transaction data is vital for identifying anomalies that suggest fraudulent behavior. Data analysts employ machine learning algorithms and statistical models to detect unusual patterns in transaction data, such as atypical spending or high-frequency transactions. Techniques like supervised learning (for known fraud cases) and unsupervised learning (for anomaly detection) enhance fraud prevention by adapting to evolving fraud tactics, making this approach crucial for risk management in finance. Option A is incorrect as random sampling is insufficient for effective fraud detection. Option C is incorrect because demographic data alone doesn’t highlight transaction irregularities. Option D is incorrect as static models fail to capture dynamic fraud patterns. Option E is incorrect since machine learning enhances fraud detection capabilities significantly.
A printer that prints one line at a time and has a predefined set of characters is called _______
Which of the following cables can transmit data at high speeds?
 POST stands for ...........
Which RAID level provides both striping and mirroring?
What is the function of the Domain Name System (DNS) in internet communications?
Which translator program converts the entire high‑level program into machine code before execution?
Which email field allows sending a message to multiple recipients while hiding their addresses from one another?
A collection of conceptual tools for describing data, relationships, semantics and constraints is referred to as
Which interface standard is widely used to connect high‑definition displays to computers and televisions?
Which Excel chart type is most appropriate for representing the proportional distribution of categories in a dataset?