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CompTIA Practice Questions

CompTIA Data+ Salary Practice Questions

CompTIA Data+ (DA0-001 / DA0-002) — Wondering what a CompTIA Data+ salary really looks like, and whether it's worth the money? We'll get to that. First, practice with free DA0-001 and DA0-002 style questions covering data concepts, mining, analysis, visualization, and governance. Every question has a detailed explanation, so you learn the why - not just the answer - and can decide for yourself if the certification is worth your time.

90
Total Questions
90 minutes
Time Limit
675 out of 900
Passing Score
$358
Registration Fee

Free Sample Questions

Here are 5 free sample questions from our full bank of 540+ CompTIA Data+ Salary practice questions. Try them out below — click "Show Answer" to reveal the correct response and explanation.

1

An analyst has a Customers table and an Orders table. The marketing team wants a list of EVERY customer, including customers who have never placed an order, along with their order details when they exist. Which SQL join should the analyst use?

AINNER JOIN, with Orders as the left table
BRIGHT JOIN, with Customers as the left table
CLEFT JOIN, with Customers as the left table
DCROSS JOIN between Customers and Orders
2

A real estate analyst is summarizing home sale prices for a neighborhood. Most homes sold between $250,000 and $350,000, but three luxury properties sold for over $4 million. Which measure of central tendency BEST represents a typical home price?

AMedian
BMean
CRange
DStandard deviation
3

A business analyst wants to show whether advertising spend (continuous) and monthly sales (continuous) appear to be correlated across 36 months of data. Which visualization is MOST appropriate?

APie chart
BStacked area chart
CHistogram
DScatter plot
4

A new analyst joins a team and needs to know what each column in the sales dataset means, what data type it uses, and which values are allowed. Which governance document should the analyst consult FIRST?

AData lineage map
BData dictionary
CService level agreement
DData flow diagram
5

An analyst runs a hypothesis check on whether a new checkout design changes conversion rate. The significance level (alpha) is set at 0.05, and the result returns a p-value of 0.03. What is the correct conclusion?

AReject the null hypothesis - the result is statistically significant
BFail to reject the null hypothesis - the result is not significant
CAccept the alternative hypothesis as proven beyond any doubt
DRaise alpha to 0.10 so the result becomes more convincing

Get the Full CompTIA Data+ Salary Question Bank — 540+ Practice Questions

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About the CompTIA Data+ Salary

Format & Structure

Total Questions
90
Time Limit
90 minutes
Format
Multiple choice and performance-based

Scoring & Cost

Passing Score
675 out of 900
Registration Fee
$358

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Frequently Asked Questions

What is a realistic CompTIA Data+ salary?

There isn't one official CompTIA Data+ salary, because the cert doesn't set your pay - your job title, location, and experience do. Entry-level data and reporting analyst roles that list Data+ commonly land somewhere in the $55,000 to $85,000 range in the US, with senior analyst roles climbing well past that. Treat any single number you see online as a rough guide, not a promise.

Is CompTIA Data+ worth it in 2026?

It depends on where you're starting. If you're moving into analytics from another field, or you want a vendor-neutral credential that proves you know the basics of data mining, statistics, and visualization, it can be a solid early step. If you already have a few years of analyst experience and a strong portfolio, it probably won't move the needle much. Honestly, is CompTIA Data+ worth it? For career changers and government or contractor roles, often yes.

Does CompTIA Data+ actually help you get a job?

It helps you get past resume filters and gives you a common vocabulary for interviews, but it won't land a job on its own. Hiring managers for analyst roles still want to see SQL, Excel, and a visualization tool in action. Pair the cert with two or three portfolio projects and you'll be in much better shape than with the cert alone.

What's the difference between DA0-001 and DA0-002?

DA0-002 is the updated version of the Data+ exam, refreshed to reflect how data work looks today, including more attention to data governance, cloud-based data environments, and modern analytics practices. DA0-001 is the original release and is being retired. If you're registering now, confirm which version is currently available on CompTIA's site, because the objectives and weighting differ slightly.

How much does the CompTIA Data+ exam cost?

The exam voucher is around $358 at the time of writing, though CompTIA adjusts pricing and often sells bundles with study materials or a retake. Employers and workforce programs sometimes cover the fee, so ask before you pay out of pocket. Factor in study materials too if you're weighing the full cost against a possible raise.

How does Data+ compare with the Google Data Analytics certificate?

They aim at similar early-career folks but work differently. Data+ is a proctored, vendor-neutral exam with a recognized industry body behind it, which some employers (especially in government and contracting) like to see. The Google certificate is a course-based program with tool-specific projects. Plenty of people do both - one for the credential, the other for hands-on portfolio work.

How many questions are on the CompTIA Data+ exam?

You'll see a maximum of 90 questions in 90 minutes, mixing multiple-choice with performance-based items. You need 675 out of 900 to pass. That's about a minute per question, so pacing matters. Work through the performance-based questions early, then move steadily through the rest.

How long should I study before sitting for Data+?

Most people with some Excel or SQL background need around 4 to 8 weeks of steady study. Complete beginners may want closer to 10 or 12. Mix reading with practice questions so you spot weak areas early, especially in data mining and analysis, which carry the heaviest weight.

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