46. What is SSL/TLS?
a) A protocol used for remote access to a network
b) A security protocol used to encrypt data transmitted over the internet
c) A type of network cable
d) A protocol used for file transfer over the internet
47. What is a proxy server?
a) A device that connects multiple devices in a LAN
b) A device that connects computers to the internet
c) A device that protects a network from unauthorized access
d) A server that acts as an intermediary between a client and the internet
48. Which layer of the OSI model is responsible for providing reliable, end-to-end delivery of data?
a) Physical layer
b) Data Link layer
c) Network layer
d) Transport layer
49. What is a domain name?
a) An IP address assigned to a device on a network
b) A unique identifier assigned to a network interface controller
c) A value used to divide a network into smaller subnetworks
d) A human-readable name used to identify a website on the internet
50. What is a Wi-Fi network?
a) A type of network cable
b) A device that connects multiple devices in a LAN
c) A type of wireless network that uses radio waves to transmit data
d) A device that protects a network from unauthorized access
