---
id: 67b32f9ba790e9c984503c55
title: Task 83
challengeType: 19
dashedName: task-83
lang: en-US
---

<!-- READING -->

# --instructions--

Read the text and answer the question below.

# --questions--

## --text--

Following their conversation, Mark sent a document to Sarah to update her on the improvements.

`Overview`

`The goal was to improve the performance of our app by speeding up the database queries. This change will help the app run faster and more efficiently.`

`Actions Taken`

`- Code Optimization: I reviewed the code that handles the database queries and optimized it to reduce delays. This ensures faster data retrieval and overall better performance.`

`- Comments Added: To make the code easier to understand, I added comments explaining the logic behind the changes. It will help the team when reviewing the code and when we need to make changes later on.`

`- Testing: I ran a series of tests to verify that the changes worked as expected. This testing process also helps us catch problems early, ensuring that the app remains stable.`

`Results`

`The improved queries should now make the app run faster. It is a big step toward a more responsive system.`

What is the goal of the changes Mark is making?

## --answers--

To fix bugs in the database.

### --feedback--

There is no mention of fixing bugs.

---

To speed up the database queries and improve the performance of the app.

---

To add more features to the app.

### --feedback--

The changes don't focus on adding new features.

---

To add more comments to the code.

### --feedback--

Although comments are added to help understand the code, this is not the main goal of the changes.

## --video-solution--

2

# --explanation--  

Look for key details in the text that describe the purpose of Mark's changes.  

Pay attention to the sentence that starts with `The goal was to improve ...` – This directly states the reason for the updates.  

Also, pay attention to the sentence `This change will help...` – This reinforces that the focus is on performance improvements.  
