HTTP

Question 1

Explain what happens when you send a http request

Answer 1

Your browser goes to the Domain Name Server or DNS (think of this like an address book or phone book) and finds the real address of the Google server that the website lives on (the IP address which is a series of four period-separated numbers like 52.33.229.159).

Question 2

What does URL stand for?

Answer 2

Uniform Resource Locator When we enter in the URL of http://facebook.com we expect to get Facebook’s homepage back as a resource that was located.

Question 3

What are the two parts to a URL?

Answer 3

HTTP is the protocol identifier and facebook.com is the resource name

Question 4

What is an IP Address?

Answer 4

“IP Address” is probably another one of those tech buzzwords you may have heard here and there. It may look and sound intimidating, but an IP address is simply one computer’s unique identifying address.

Question 5

What is DNS?

Answer 5

Note: When you type in www.cnn.com, your web browser visits something called the DNS (Domain Name Server), which acts like a phone book. The DNS finds the domain name of www.cnn.com, matches it with the correct IP address, and sends the request to CNN’s servers!

Question 6

What are some examples of web server technology?

Answer 6

Apache, Nginx, Tomcats, Webrick/Unicorn

Question 7

What are some examples of interpreters technology?

Answer 7

PHP, Python, Ruby, C#, Java

Question 8

What are some examples of database technology>

Answer 8

MySQL, SQLLite, Postgres, Oracle, Redis, MongoDB

Question 9

What are some frameworks for the interpreters? The tools to add functionality/library

Answer 9

PHP - CodeIgniter, CakePHP, Zend Python - Django Ruby - Rails, Sinatra C# - .NET MVC Java - Spring Framework

Question 10

Front End, Server Side, Backend, Database

Answer 10

Full-Stack Developer

Question 11

An important thing to not it that although response can be prepared in many different ways, it will always be __

Answer 11

Some combination of HTML, CSS, and Javascript

Question 12

What is back end development?

Answer 12

Everything that happens on the server-side between the accepted request and the delivered response is what we call back end development

Question 13

What is HTML?

Answer 13

HyperText Markup Language (HTML) is the main markup language for all web pages. HTML elements are the basic building-blocks of the internet.

Question 14

What is the purpose of tags?

Answer 14

HTML defines a number of tags that we can wrap the contents with. HTML is the language of the web and it gives us a communication method to work with the browser.

Question 15

What are the necessary tags for HTML>

Answer 15

HTML, Head, Body

Question 16

When tags encapsulate other tags it’s called ___

Answer 16

Nesting

Question 17

What is the DOM?

Answer 17

The hierarchy that rises from nesting is called DOM - Document Object Model?

Question 18

How do you comment?

Question 19

What does doctype do>

Answer 19

It allows the browser to know the type of document that will be used. Read in standard mode. We are using the latest accepted HTML conventions.

Question 20

What does the head do?

Answer 20

The head will eventually contain meta-data about the document, the external Stylesheets and JS libraries that the document will use, and the document’s title.

Question 21

What does the body do?

Answer 21

The body will contain the user content. Everything in the document that will be visible in the browser window

Question 22

Div?

Answer 22

For additional sectioning needs, we will use the

tag which stands for division

Question 23

How is indentation determined?

Answer 23

Determined by the PCS relationship, not by how we want the HTML to be visually rendered on the browser

Question 24

What are meta tags?

Answer 24

Meta tags make your web page more meaningful for search engines like Google.

Question 25

What does the attribute content of the description tag do?

Answer 25

Describves the basic purpose of your web page. For each web page, you should place a concise and relevant summary im this section.

Question 26

Describe

Answer 26

It is the proper encoind declared to a browser through a meta tag in the header.

Question 27

Make an image tag

Answer 27

SRC is for source where the image resides and alt is the descrition in case the image fails to load.

Question 28

What are the common elements for html?

Answer 28

Headings and Paragraphs of text, Images, Links, Lists, Tables, Forms

Question 29

Heading

Answer 29

A heading is a section title, which means that often (but not always) each section (

) will have a heading

Question 30

How do you create a link?

Answer 30

which stands for anchor tag. Links also need an attrivute called href to tell where to go

Question 31

What are the possible attributes for href?

Answer 31

An absolute URL - points to another website (like href=”http://www.example.com/default.html”) A relative URL - points to a file within a website (like href=”default.html”) An anchor URL - points to an anchor inside a page (like href=”#top”)

Question 32

What is the most common use of a list?

Answer 32

For navigation links mostly. ul and ol using li for list items

Question 33

Make a table

Question 34

Forms are

Answer 34

Responsible for all the data exchange betwen the user (front-end) and the server (back-end).

Question 35

A form is declared….

Answer 35

A form is declared using the

<form> tag which will have attributes action and method that decide where the form information gets sent, and how it gets sent respectively.
</form>

Question 36

Describe a label and input tag for a form

Answer 36

<label>First Name:</label>

<input></input>

The for and id fields are linked together. The name attribute is typically used for sending form data to the back end. It also normally corresponds to the id attribute.