FREE APCSP Networks and the Internet Questions and Answers
Which of the following is the primary function of the Internet Protocol (IP)?
The Internet Protocol (IP) is responsible for addressing and routing data packets so that they can travel across networks and reach the correct destination. IP ensures data is sent to the right device, even across different networks.
What is the role of DNS (Domain Name System) in the operation of the internet?
The Domain Name System (DNS) is responsible for translating human-readable domain names into machine-readable IP addresses. This allows users to access websites by typing in easy-to-remember URLs rather than complex IP addresses.
What is a firewall in the context of computer networks?
A firewall is used to protect networks by filtering traffic based on security rules. It acts as a barrier between a trusted internal network and untrusted external networks, like the internet, blocking malicious or unauthorized access.
What does HTTPS stand for, and why is it important?
HTTPS (HyperText Transfer Protocol Secure) ensures that data sent between a user’s browser and a website is encrypted, providing security for sensitive information such as passwords and credit card numbers. It prevents data interception by unauthorized parties.
Which of the following is a primary security concern related to the Internet of Things (IoT)?
The Internet of Things (IoT) consists of connected devices that often have limited security features, making them vulnerable to attacks. Poorly secured IoT devices can be exploited by hackers to gain unauthorized access, potentially compromising sensitive data or causing damage.