Introduction to Mobile Development Coursera Quiz Answers

All week Introduction to Mobile Development Coursera Quiz Answers

Week 1: Introduction to Mobile Development Coursera Quiz Answers

Quiz 1: Knowledge Check – How the web works

Q 1: In the client/server model, your device is a ____________________.

• Client
• Server

Q 2: The website address that you type in your web browser to navigate to a website is called a ____________________.

• HTTP
• Domain name
• Client name

Q 3. Servers are typically stored in a building called a ____________________.

• DHCP Center
• DNS Server
• Data Center

Q 4. The physical components of a server are called the ____________________.

• Hardware
• Software

Q 5. The purpose of a web server is to ____________________.

• Receive web pages and display them in the web browser.
• Request content from a web browser and receive the response.
• Receive requests from a web browser and to respond with the correct content for that request

Q 6. True or False. A website can consist of multiple web pages linked together.

• True
• False

Q 7. The links you click on in your web browser are known as ____________________.

• Data links
• Hyperlinks
• Server links

Q 8. Which of these are the 3 main technologies of the web browser? Select all that apply.

• HTML
• C#
• JavaScript
• CSS

Q 9. When you run a website on the cloud, the website is restricted to one physical server.

• True
• False

Quiz 2: Module quiz: Mobile development

Question 1: The first Android OS was released in 2008 by ______________.

• Apple
• Microsoft
• Google
• Amazon

Question 2: What is a major advantage of a desktop browser?

• Users consume less data bandwidth.
• It allows users to visit a website offline.
• Allow full access to website content.
• It is portable.

Question 3: JavaScript is also referred to as  ______________.

• Interpreted Language
• Compiler Language

Question 4: Which one of the following is a JavaScript browser engine?

• V8
• Java
• Safari

Question 5: Which of the following is an integrated development environment? Select all that apply.

• Swift
• Kotlin
• Xcode
• Android Studio

Question 6: Kotlin is a ______________ programming language for building Android apps.

• Single-platform
• Multi-platform

Question 7: The Swift programming language gives developers the ability to build apps for which of the following?

• airOS
• tvOS

Question 8: What engine is responsible for compiling the entire website code before displaying it to users?

• Android
• JavaScript
• Swift

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Week 3: Introduction to Mobile Development Coursera Quiz Answers

Quiz 1: Knowledge check: Introduction to cross-platform mobile development

Question 1: If you are developing an app for iOS or Android, you should _______________.

• Understand a low-level language such as c++
• Have a deep understanding of the platform and its capabilities

Question 2: Hardware or software that enables one computer system to imitate another is called an _______________.

• Imitator
• Emulator

Question 3: How do you ensure that your emulator is not taxing on your hardware?

• Create different levels of hardware acceleration
• Create a partition on your local machine

Question 4: Which of the following is an advantage of using a cross-platform technology?  Select all that apply.

• Cost reduction
• Code Reuse 
• No Code

Quiz 2: Module Quiz: React and React Native

Question 1: Which of the following is a benefit of using React Native for app development?

• Code reusability
• Large developer community
• Fast refresh
• Free Deployment on App Store

Question 2: React Native is an extension of the ReactJs library.

• True
• False

Question 3: To improve performance, web servers can keep a copy of dynamic content in a ______________.

• Cloud
• DOM
• Cache

Question 4: React library was designed to help the Facebook team ______________.

• to build a dynamic and high-performing web app.
• to build a lite version for their existing web app.
• to develop an efficient back-end architecture.

Question 5: The main approach for serving code and resources in a single-page application is called?

• Packets
• Bundling
• Code Boxing

Question 6: React is a ______________ for building single-page applications.

• Library
• Framework

Question 7: Components allow developers to improve development efficiency by reusing code.

• True
• False

Question 8: A React application is built up of a tree of components called the Component ______________.

• Library
• Hierarchy
• Root
• Branch

Week 4: Introduction to Mobile Development Coursera Quiz Answers

Quiz 1: Graded assessment: Introduction to Mobile Development

Quiz 1: True or False. In the request/response cycle, the web browser sends the request.

• True
• False

Question 2: In the web browser, what is the role of HTML?

• To describe the content of the web page
• To provide interactivity and data processing
• To describe the visual look and layout

Question 3: React uses a virtual DOM to reduce updates to the browser DOM.

• True
• False

Question 4: True or False. Little Lemon will display in the web browser’s main window.

 <!DOCTYPE html>
<html>
    <head>
        <title>Little Lemon</title>
    </head>
<body>
    <p>Our Menu</p>
    </body>
</html> 

• True
• False

Question 5: Which HTML tag is used to link to other HTML documents?

• The image tag <img>
• The anchor tag <a>
• The link tag <link>

Question 6: In the following CSS rule, what part of the rule is represented by div?

div {
    width: 50%;
} 

• Property
• Selector
• Attribute

Question 7: What is the margin-box width for the following CSS rule?

div {
    width: 20px;
    padding-left: 10px;
    padding-right: 10px;
    margin-left: 10px;
    margin-right: 10px;
} 

• 20 pixels
• 40 pixels
• 60 pixels

Question 8: Kotlin is a ______________ programming language for building Android apps.

• Single-platform
• Multi-platform

Question 9: React library was designed to help the Facebook team ______________.

• to build dynamic and high-performance web apps.
• to develop an efficient back-end architecture.
• to build a lite version for their existing web app.

Question 10: React applications are built using reusable pieces of code. What are these pieces known as?

• Elements
• Components
• Snippets

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