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Computer Science IGCSEPDF 63
142 pagesrevision 46930
PDF 63
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Prevents unauthorized access to or from private networks.
Act as intermediaries between the user and the web server.
Functions:
o Hides user IP address
o Filters and controls web traffic
o Blocks certain websites
o Protects the main server from DDoS or hacking attacks
A security protocol for
between a browser and
server.
Protects data transmitted online from being intercepted.
Limit visibility of user data and control who can view or interact with profiles.
Priya creates a website to sell her old comic books and superhero figures. (a) She uses
HTML to create her website. The HTML she produces has both structure and
presentation. Explain what is meant by HTML structure and presentation. Include an
example of each.
Structure.............................................................................................................................
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Presentation........................................................................................................................
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Proxy Servers
Privacy Settings
0478/12/M/J/19/Q6
SSL (Secure Socket Layer)
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encryptedcommunication
Past Paper Questions