Internet Security (AQA A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary function of a firewall?
What is the primary function of a firewall?
Protects network from unauthorised access
How many network interface cards (NICs) does a packet filtering firewall typically use?
How many network interface cards (NICs) does a packet filtering firewall typically use?
Two: one for LAN, one for internet
What does stateful inspection examine that basic packet filtering does not?
What does stateful inspection examine that basic packet filtering does not?
Actual contents of data packets
What is a key characteristic of a proxy server?
What is a key characteristic of a proxy server?
No direct connection between LAN & internet
What is the main weakness of symmetric encryption?
What is the main weakness of symmetric encryption?
Key can be intercepted in transmission
In asymmetric encryption, which key is used to encrypt a message sent to someone?
In asymmetric encryption, which key is used to encrypt a message sent to someone?
Receiver's public key
What is the main purpose of a digital certificate?
What is the main purpose of a digital certificate?
Ensure message from a trusted source
What distinguishes a Trojan from other malware types?
What distinguishes a Trojan from other malware types?
Hidden in another file & doesn't replicate
What is the defining feature of a worm compared to a virus?
What is the defining feature of a worm compared to a virus?
It doesn't need attachment to a file
Which action should users take to protect against malware?
Which action should users take to protect against malware?
Don't open attachments from unknown senders