What is the purpose of the 'src' attribute in an tag in HTML?

To specify the URL of the image to be displayed

To define the size of the image

To describe the image content for search engines

To create a link to another webpage

What do the 'height' and 'width' attributes in a tag define?

The physical dimensions of the image on the screen

The proportion of the image compared to the original

Can a CSS class be used by multiple elements on a webpage?

A) Yes, and the styling only needs to be defined once

B) No, a class can only be used by one element

C) Yes, but the styling needs to be defined for each element

D) No, classes are unique to each webpage

Can an identifier be used by multiple elements on a webpage?

B) No, only one element can be associated with a particular identifier

A) Yes, identifiers are not unique

C) Yes, but only within the same element

D) No, identifiers must be unique to each webpage

Where is internal/embedded CSS placed in an HTML document?

Inside the style tags and entered directly into the HTML document

Inside the tag, but outside of any other tags

At the bottom of the HTML document, after the closing tag

How is external CSS linked to an HTML document?

By adding a link to the header of the HTML document with the 'rel' attribute set to 'stylesheet'

By placing the CSS directly within the HTML file

By using a tag in the HTML document

By embedding the CSS at the end of the HTML file

What is the correct syntax for defining the style of an element in CSS?

Using curly brackets {} to enclose the style definitions

Using parentheses () to enclose the style definitions

Using square brackets [] to enclose the style definitions

Using angle brackets <> to enclose the style definitions

What is the primary purpose of JavaScript according to the text?

To add interactivity to websites

Is JavaScript a compiled or interpreted language?

Neither compiled nor interpreted

Which of the following is NOT listed as an advantage of using JavaScript?

Increases the speed of the processor

Local computer can deal with invalid data before it is sent off to the servers

What does JavaScript often validate according to the text?

Input data on the client computer

What is the purpose of a search engine?

To search through a database of internet addresses based on criteria set by the client

To collect and store personal data from users

To rank websites based on their visual appeal

To serve as a personal assistant for scheduling tasks

What do web crawlers, also known as spiders, do?

They collect information about websites to build an index for search engines

They create new web pages for the internet

They serve as antivirus software for websites

They monitor user behavior on websites

What are the two factors that determine the page rank of a web page according to the PageRank Algorithm?

The number of incoming links it has from other web pages and the page rank of the web pages that link to it

The number of advertisements on the web page and the loading speed

The visual design of the web page and the number of visitors

The content quality of the web page and the number of external links

What type of data do web crawlers collect in addition to information used to build the index?

Private messages from website users

How can JavaScript be used in relation to HTML elements?

To change the attributes of an HTML element

To delete HTML elements from a webpage

To prevent HTML elements from loading

To encrypt HTML elements for security purposes

Which JavaScript command can be used to display an alert box with a message?

document.getElementById("alert").innerHTML = "Hello World"

document.write("Alert: Hello World")

How is the PageRank of a page calculated in the PageRank algorithm?

PR(x) = (1-d) + d((PageRank(T1) + Count(T1)) + ... + (PageRank(Tn) + Count(Tn)))

PR(x) = (1-d) + d(PR(T1) + Count(T1)) + ... + (PR(Tn) + Count(Tn))

PR(x) = (1-d) * d(PR(T1) + Count(T1)) + ... + (PR(Tn) + Count(Tn))

PR(x) = (1-d) + d((PR(T1) * Count(T1)) + ... + (PR(Tn) * Count(Tn))

What is server side processing?

When a client sends data to a server for it to be processed

When a server processes the data on a local device

When a client processes the data on a local device

When a server requires plugins to process data

What is client side processing?

When a client processes the data on a local device

When a server sends data to a client for it to be processed

When a client sends data to a server for it to be processed

When a server processes the data on a local device

What is a benefit of client side processing?

Webpage can immediately respond to user actions

Can perform large calculations much faster than clients

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Alsager - A2 - 1.3.4. Web Technologies

35 questions

Which of the following are components of a website's front-end development?

What is involved in the process of a search engine organizing information?

Which algorithm is used by search engines to rank web pages in their search results?

What encompasses both server and client side processing?

What is HTML used for in web development?

What are the two main sections of a webpage in HTML?

What is the purpose of the tag in HTML?

What is the purpose of the 'src' attribute in an tag in HTML?

What do the 'height' and 'width' attributes in a tag define?

How is a class defined in a CSS file?

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