GCE Computer Studies 2024 Objective — Question 50
Question 50 of 50 from the General Certificate of Education (GCE) Computer Studies 2024 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about firewall is correct?
- A. A. A network transmission system that increases the speed of incoming and outgoing network traffic
- B. B. A network security system that establishes a barrier between a trusted internal network and an untrusted external network such as the InternetCorrect
- C. C. A data structure that improves the speed of data retrieval operations on a database table
- D. D. A data structure created using only two rows of a database table used to uniquely identify each record
Explanation
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks.
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