IGCSEComputer ScienceCIETopic Questions5. The internet and its uses5.1 The internet and the World Wide Web

The internet and the World Wide Web (CIE IGCSE Computer Science)

Topic Questions

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1
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The website has a uniform resource locator (URL).

An example of a URL is given.

https://www.cambridgeassessment.org.uk/index.html

Complete the table to identify the name of each section of the URL.

URL section Name
https  
cambridgeassessment.org.uk  
/index.html  
[3]

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2
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Describe how the web pages for the website are requested and displayed on a user’s computer.

 [4]

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3a
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Ahmed uses the Internet for some time and is puzzled by the terminology.

a)
Draw a line to match each description to the appropriate technical term.

q7a-paper1-spec2019-cie-igcse-computerscience
[5]

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3b
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b)
Ahmed sees the message “Set your browser to accept cookies”.

Explain why some websites make this request.
[2]

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4a
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Transport Layer Security (TLS) protocol is used to secure the transmission of data over the Internet. 

a)
Identify the two layers in the TLS protocol.

Layer 1 .............................................................
Layer 2 .............................................................

[2]

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4b
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b)
The following paragraph explains how data is sent securely using the TLS protocol.

 Use the terms to complete the paragraph. Not all terms may need to be used.
  • authentic
  • binary
  • browser
  • certificate
  • internet service provider
  • signal
  • web page
  • web server
  • website


The browser requests the ................................to identify itself by providing its.......................... This is sent and a check is performed to see if it is ............................. If it is, the ............................... sends a ....................................back to the web server and data transmission begins.

[5]

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4c
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c)
Identify one other protocol that can be used to secure data transmission over the Internet.
[1]

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5
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Luke is creating a website for his t-shirt design business.

He is using HTML to create the website. HTML can be separated into structure and presentation.
 

i)
Give two examples of HTML structure.

Example 1 .........................................................................

Example 2 .........................................................................
[2]
 
ii)
Give two examples of HTML presentation.

Example 1 .........................................................................

Example 2 .........................................................................
[2]

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6a
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Tina is creating a website for charity events. She uses HTML to create the website.

a)
State what is meant by HTML.
[1]

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6b
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b)
She uses the hexadecimal colour code #43B7F0 as the background colour for her website.
 
State whether background colour is an example of structure or presentation, in the website.
[1]
 

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6c
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c)
Tina will use the TLS protocol in her website when selling tickets to people for different charity events. This makes sure that their personal data is transmitted securely.

i)
Identify the two layers that are present in the TLS protocol.

Layer 1 ......................................................................................

Layer 2 ......................................................................................

[2]
 

ii)
Explain how data is sent securely using the TLS protocol

. [6]

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