---
id: 647e225e8acb466c97ccbef0
title: Guided Project - Plan a Petting Zoo Visit
challengeType: 19
dashedName: guided-project-plan-a-petting-zoo-visit
---

# --description--

This challenge will be partially completed on the Microsoft Learn platform. Follow these instructions to complete the challenge:

1. Go to <a href="https://learn.microsoft.com/training/modules/guided-project-visit-petting-zoo/" target="_blank" rel="noreferrer">https://learn.microsoft.com/training/modules/guided-project-visit-petting-zoo/</a> and complete all the tasks for the "Guided Project - Plan a Petting Zoo Visit" module. This is **required** to earn the "Create Methods in C# Console Applications" trophy on Microsoft Learn, and qualify for the certification exam.
1. When you are finished, come back and correctly answer the question below.

# --assignment--

Complete the <a href="https://learn.microsoft.com/training/modules/guided-project-visit-petting-zoo/" target="_blank" rel="noreferrer">Plan a Petting Zoo Visit</a> guided project on Microsoft Learn. Then, answer the question below.

# --questions--

## --text--

What is the purpose of defining an optional parameter in a method?

## --answers--

To cause a method to perform a different task.

---

To overload a method.

---

To simplify the required parameters when a parameter isn't significant to the result.

## --video-solution--

3

