Network Security & Threats (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a Denial of Service (DoS) attack do to a network or server?
What does a Denial of Service (DoS) attack do to a network or server?
Overloads it with excessive requests
What does pharming do to users?
What does pharming do to users?
Redirects them to fake websites
What is SQL injection?
What is SQL injection?
Malicious SQL code in database queries
What does a firewall use to control network traffic?
What does a firewall use to control network traffic?
Predetermined security rules
What does a proxy server mask to enhance privacy?
What does a proxy server mask to enhance privacy?
IP addresses
What does symmetric encryption use for both encryption and decryption?
What does symmetric encryption use for both encryption and decryption?
The same key
How many keys does asymmetric encryption use?
How many keys does asymmetric encryption use?
A pair of keys
What protection does two-factor authentication provide?
What protection does two-factor authentication provide?
Security even if password compromised
How often must anti-virus software be updated?
How often must anti-virus software be updated?
Frequently
What does an Intrusion Detection System (IDS) help detect?
What does an Intrusion Detection System (IDS) help detect?
Attacks early
What is a key countermeasure against SQL injection attacks?
What is a key countermeasure against SQL injection attacks?
Parameterised queries
What approach is most effective for network security?
What approach is most effective for network security?
Multiple security measures