Intro to Front End Development Questions

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A server is a computer that runs applications and services, ranging from websites to instant messaging. You have just learned about a web server which is a specific type of server. Which of the following statements are true? Choose all that apply.

A web server can handle security; function as website storage and administration; handle thousands of requests from clients per second

The website address that you type in your web browser to navigate to a website is called a _____

Domain Name

The purpose of a webserver is to ________

Receive requests from a web browser and to respond with the correct content for that request.

To reduce development time, developers use libraries in their application development. What's the main feature of a library?

Reusable pieces of code

In software development, a library provides ___________

Reusable pieces of code that can be used by your application

The programs that run on a computer are called the ______

Software

HTML describes the structure and content of a web page.

TRUE

In software development, a framework provides a structure for developers to build an application.

TRUE

In software development, an API is a set of functions that an application component or service can provide.

TRUE

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

TRUE

In software development, an API is __________

set of functions that an application component or service can provide

An integrated development environment, or IDE, is software for building applications. This kind of software application has many different features to help you as a developer. Which of the following statements are true? Choose all that apply.

-Special keywords of the programming language are highlighted in different colors to make the code easier to read. -IDEs have a feature called Error Highlighting -IDEs have a feature that can detect variables and functions and offer them as suggestions during autocomplete

As a developer, there are several web browser developer tools available to you. For example, there is a console tab that outputs JavaScript logs and errors from a web application. Which of the following statements are true? Choose all that apply.

-The network tab allows you to inspect the timeline and details of HTTP requests and responses for a webpage -The memory tab displays the parts of your code that are consuming the most resources -The sources tab shows all content resolved for the current page

Which of the following are benefits of using an Integrated Development Environment (IDE) such as Visual Studio Code?

-syntax highlighting -error highlighting -autocomplete -intelliSense -Refactoring

Which of the following are valid IP Addresses?

192.0.2.235 (Version 4) and 4527:0db8:0a00:1567:0200:ff00:0042:8329 (Version 6)

Servers are typically stored in a building called a _______

Data Center

The style of a webpage is defined using ______

CSS

In the client/server model, your device is a _____

Client

Is the following statement true or false? The payload part of IP packets supports multiple protocols to make sure that information arrives as expected. Two of these are Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). UDP is used to send data that must arrive correctly and in order.

False. TCP is used for data that must arrive correctly and in order. This is because TCP can deal with data packets arriving out of order, becoming damaged or corrupted, or dropped or lost albeit at the cost of a small delay.

True or False- A network is made up of at least two devices that connect and communicate via a wired or wireless connection. One network switch can connect to another switch to link two networks

True- Not only can two network switches be connected, but multiple ones can be connected to form an interconnected network like the internet.

When two computers connect directly to each other, this forms _______

a Network

When you type a website address (for example, coursera.org) in your web browser, which protocol is used to find the IP address of the website?

Domain Name System Protocol (DNS)

Think of your favorite interactive map, social media site or video content site. What features and functionality do you think web applications provide to their users? Select all that apply.

Dynamically updated content. A high level of interactivity. Personalized content

When using TCP, data can arrive out of order.

FALSE. Can arrive out of order with UDP

Which of the following are valid HTTP methods?

GET, POST, PUT, DELETE

The structure of a webpage is defined using _____

HTML

Which of the following technologies is used to structure content on a webpage?

HTML

Which of the following web resources can be transferred using HTTP? Select all that apply.

HTML documents, images, files

Which of these are the 3 main technologies of the web browser?

HTML, CSS, Javascript

The web browser and web server use which protocol to transfer data?

HTTP

The physical components of a server are called the ______

Hardware

The links you click on in your web browser are known as _________

Hyperlinks

To communicate with another computer on a network, your computer sends a message called an _________

IP Packet

When sending a message to another computer, the source and destination are specified using ______

IP address

Which of the following can be done using the developer tools in your browser?

Inspect the HTML elements of a web page Check javascript error logs Inspect a timeline of HTTP requests and responses Inspect the performance and memory usage of a webpage

As a developer, it is best to use a _______ to write and maintain code.

Integrated Development Environment (IDE)

A web application is more __________ compared to a website

Interactive

Computers communicate with each other using which protocol?

Internet Protocol (IP)

In the first example of a digital clock, which type of file ensured that the display updated with the correct time?

Javascript file. When referenced by the HTML file, the JavaScript code controls the functioning of the clock.

True or False. When you run a website on the cloud, the website is restricted to one physical server.

TRUE

True or false: A web browser is a software application that you use to browse the world wide web.

TRUE

True or false: Cloud hosting uses a combination of physical and virtual servers?

TRUE


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