What are two safety hazards when dealing with laser printers? (Choose two.) high voltage hot components heavy metals proprietary power bricks unwieldy card cages Answers Explanation & Hints: Laser printers…
A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase? BIOS…
What is the best way to store and manage a dataset that consists of two million records? a relational database a spreadsheet a Python data analysis program a single flat…
What is a limitation of using spreadsheets in analysing data? Changing how the data is displayed in a spreadsheet may also manipulate the data. Spreadsheets are complex to learn how…
What is a feature of project portfolios that prospective employers consider to be important when recruiting potential data analysts? each portfolio clearly and uniquely presents the data projects for the…
What is a feature of Jupyter Notebooks? It provides a way to run code interactively within a web browser. It compiles Python code as it is entered. Notebook output is…
Which Python code library is commonly used when developing a program to provide complex data visualization? NumPy Pandas Matplotlib Scikit-learn Answers Explanation & Hints: NumPy adds support for arrays, matrices,…
Why is the Python programming language increasingly integral to data science? the availability of many libraries to perform data related tasks the ease of compiling and building executable data applications…
Which two programming languages are most useful for data analysis? (Choose two.) R Python C C++ Java Answers Explanation & Hints: All programming languages have some data processing features, but…
Which option should be considered when developing a data project portfolio? it should be organized and easy to navigate it should list all your school academic qualifications it should contain…
Who is the intended audience of your data project portfolio? your family social media friends prospective employers fellow students your teacher Answers Explanation & Hints: A data project portfolio is…
A person searches the internet for accessories for a newly purchased puppy. Suddenly this person begins receiving multiple promotional emails from many different pet stores. What feature of the CIA…
A corporation is vigilant about maintaining equipment, creating backups, and keeping operating systems and software up to date. Which component of the CIA triad do these measures support? Confidentiality Availability…
Which two functions help to ensure the confidentiality of personal data? (Choose two.) hashing data encryption file permissions version control multi-factor authentication Answers Explanation & Hints: Methods used to ensure…
Colleagues suggest that you should record your expected results before beginning the analysis and avoid selecting only data and methods that support your assumptions. Why are the two suggestions important?…
What impact might outliers have on an analysis? The results might be distorted or overly biased. They can cause the conclusions drawn to be skewed to support the original hypothesis.…
What statement describes the occurrence of a selection bias in an analysis of data? It can occur when historical data is included within the parameters of the analysis. It can…
What type of bias is being applied when the interpretation of data from a study is done in a way that confirms the original beliefs of the analyst? selection confirmation…
Which two methods help to ensure data integrity? (Choose two.) hashing authorization data consistency checks availability privacy repudiation Answers Explanation & Hints: Data integrity systems include one of the two…
What type of cybersecurity laws protect you from an organization that might want to share your sensitive data? confidentiality authentication nonrepudiation integrity privacy Answers Explanation & Hints: Privacy laws control…