2.4.2 Website Development

Question 1

Why HTML not a programming language

Answer 1

No procedures or algorithms available.
Markup language
Tags tell web browsers how to format and display content.

Question 2

Main features of HTML

Answer 2

Opening: closing tags that enclose content and instruct web browsers how that content will be displayed.
Tags can have attributes that specify further information about how content should be created.
Has been through different iterations to expand tags available and allow support for other languages css

Question 3

Features of web development package

Answer 3

File and folder organisation
Auto complete to fill in and suggest rages based on what the web developer types
Error recognition where content is not in correct syntax
Preview in browser / code view/ split view.

Question 4

Paragraph

Answer 4

<p> </p>

Question 5

Image

Answer 5

<img></img>

NO CLOSIG TAG

Question 6

Anchor

Answer 6

<a> source </a>

Question 7

Ordered list

Answer 7

<ol> name of ordered list </ol>

then <li> list item </li>

Question 8

Unordered list

Answer 8

<ul> name of unordered list </ul>

then <li> list item </li>

Question 9

Hyperlink

Answer 9

this is the hyperlink it will be underlined in blue by web browser

Question 10

Benefits css brings to web design

Answer 10

Separates formatting from html = less html = more efficient less to download.

One css statement can control presentation of many lines of html code = easier to make changes to many elements.
Easier to enforce house style across large site.

Question 11

Features of css

Answer 11

Statements enclosed in {} which follow tags from HTML
Each statement can specify size, colour, positioning.
Can be placed directly in HTML or
Or in separate .css file that is lined in the head

Question 12

E e-commerce difference between client side and server side processing

Answer 12

Client side definition - users browser in this case processes information
Validation of credit card number postcode telephone number length Check.

Server side definition
In this case requested item looked up and price returned delivery cost calculated
Authorisation request sent to bank for money transfer.

Question 13

Client side definition

Answer 13

Users computer processes the information

Question 14

See her side definition

Answer 14

Remote server carries out processing of some parts of transaction

Question 15

Benefits of client side processing in operation of an interactive website

Answer 15

Processing of interactive elements had to take place server side then more information would have to be sent received
Slower operation of site.
Client side means site can be downloaded and much of the processing can take place purely in users browser. Saves bandwidth

Question 16

Role of digital certificate in secure transfer of data

Answer 16

Digital certificate awarded to legit companies wanting to sell online.
Certificate recognised by web browsers and contains public key that will be used as part of the encryption decryption process.

Question 17

Role of digital signature on secure transfer of data

Answer 17

Used for the retailer to encrypt data they send to customers. Produced using their private key and can only be decrypted using public key that is part of that specific public/ private key pair.

Question 18

Role of https

Answer 18

Signifies that information is still being send/ received using http but that data is now being encrypted/ decrypted using ssl

Question 19

SSL

Answer 19

Set of procedures ensures that browser will only engage in secure communication with a web server with a trusted digital certificate.
Also contains procedures that will allow public/ private key pairs to be used in encryption and decryption