Study resource
The Internet common mistakes
Study The Internet with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
At a glance
common mistakes
Resource type
Topic
The Internet
AqaA LevelComputer ScienceFundamentals of communication and networking
Common mistakes
Confusing DNS with a router
Stating that DNS forwards packets between networks.
Fix itDNS provides the service of associating domain names with IP addresses using Domain Name Servers. Routers forward packets between networks.
Confusing encryption with digital signatures
Saying that a digital signature's main purpose is to keep the contents of a message secret.
Fix itExplain that a digital signature provides evidence about the origin of data and whether it has been changed. Encryption is used to provide secrecy.
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