1️⃣ Question 1

Which of the following is True about R language?

• ❌ R functions require lots of coding compared to other tools

• ❌ R requires installation of additional libraries to handle data analysis

• ❌ R is only for statistical inference and does not support visualization

• ✅ R supports importing of data from different sources like flat files, databases

Explanation:
R can easily import data from CSV, Excel, SQL databases, and many more sources.

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2️⃣ Question 2

Which R library is used for machine learning?

• ❌ dplyr

• ❌ ggplot

• ❌ stringr

• ✅ caret

Explanation:
caret (Classification and Regression Training) is a major R package for ML.

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3️⃣ Question 3

Which function in ggplot adds a title to a plot?

• ❌ ggplot

• ❌ library

• ✅ ggtitle

• ❌ geom point

Explanation:
ggtitle("Your Title") adds a title to ggplot visualizations.

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4️⃣ Question 4

Which function is used to name both axes in a plot?

• ❌ ggplot

• ❌ geom point

• ❌ library

• ✅ xlab and ylab

Explanation:
Use xlab("X-axis") and ylab("Y-axis") to label axes.

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5️⃣ Question 5

What is a copy of a repository?

• ✅ Fork

• ❌ Pull request

• ❌ Working directory

• ❌ SSH protocol

Explanation:
A fork is your own independent copy of a repo on GitHub/GitLab.

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6️⃣ Question 6

How does GitLab streamline testing and delivery?

• ✅ With built-in CI/CD

• ❌ With merging

• ❌ With branching

• ❌ With reviews and comments

Explanation:
GitLab has powerful built-in CI/CD pipelines for automated testing & deployment.

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7️⃣ Question 7

In GitHub, what is an organization?

• ✅ A collection of user accounts that owns repositories

• ❌ Path to code files

• ❌ Repository name

• ❌ Top level of a repo tree

Explanation:
Organizations group teams and repos under one shared account.

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8️⃣ Question 8

On which tab can you see all source files?

• ❌ Pull requests

• ✅ Code

• ❌ Issues

• ❌ Projects

Explanation:
The Code tab shows files, directory structure, and branches.

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9️⃣ Question 9

How do you save changes in the repository?

• ✅ Commit changes

• ❌ Add file

• ❌ Create new file

• ❌ Save changes

Explanation:
In Git, saving = committing.

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🔟 Question 10

Which option lets you add a file from your local machine?

• ❌ New Repository

• ✅ Upload files

• ❌ Commit changes

• ❌ Create new file

Explanation:
“Upload files” lets you browse your local system and upload.

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🧾 Summary Table