Book Image

CompTIA Data+: DAO-001 Certification Guide

By : Cameron Dodd
Book Image

CompTIA Data+: DAO-001 Certification Guide

By: Cameron Dodd

Overview of this book

The CompTIA Data+ certification exam not only helps validate a skill set required to enter one of the fastest-growing fields in the world, but also is starting to standardize the language and concepts within the field. However, there’s a lot of conflicting information and a lack of existing resources about the topics covered in this exam, and even professionals working in data analytics may need a study guide to help them pass on their first attempt. The CompTIA Data + (DAO-001) Certification Guide will give you a solid understanding of how to prepare, analyze, and report data for better insights. You’ll get an introduction to Data+ certification exam format to begin with, and then quickly dive into preparing data. You'll learn about collecting, cleaning, and processing data along with data wrangling and manipulation. As you progress, you’ll cover data analysis topics such as types of analysis, common techniques, hypothesis techniques, and statistical analysis, before tackling data reporting, common visualizations, and data governance. All the knowledge you've gained throughout the book will be tested with the mock tests that appear in the final chapters. By the end of this book, you’ll be ready to pass the Data+ exam with confidence and take the next step in your career.
Table of Contents (24 chapters)
1
Part 1: Preparing Data
7
Part 2: Analyzing Data
13
Part 3: Reporting Data
19
Part 4: Mock Exams

Practice questions

Let’s try to practice the material in this chapter with a few example questions.

Questions

  1. A bank, Second Rational Bank, requires all of its tellers to have access to metrics such as the interest rates and fees on savings accounts, which change regularly. Which type of report would be most appropriate for this need?
    1. Point-in-time report
    2. Real-time report
    3. Research report
    4. Ad hoc report
  2. Second Rational Bank is considering buying a package of loan debts from a sister company. It wants to know what the risks are, how much it can offer the other bank while still making a profit, and what it will need to do after to collect on the loans. Which type of report would be most appropriate?
    1. Self-service report
    2. Ad hoc report
    3. Recurring report
    4. Research report
  3. A manager at Second Rational Bank wants to track the metrics of their team and make sure they are meeting all rules and regulations of the company. Which type of report is most appropriate?
    1. Recurring report...