71. What is a hypervisor?
a) A network security system that monitors and controls incoming and outgoing network traffic
b) A device that connects multiple devices in a LAN
c) A type of network topology
d) A software program that creates and manages virtual machines
72. What is a Software-Defined Network (SDN)?
a) A type of network topology
b) A network security system that monitors and controls incoming and outgoing network traffic
c) A tool used to test network connectivity
d) A network architecture where the control plane is separated from the data plane and managed through a centralized software controller
73. What is a Network Address Translation (NAT)?
a) A device that connects multiple devices in a LAN
b) A tool used to test network connectivity
c) A type of network topology
d) A technique that allows multiple devices on a private network to share a single public IP address
74. What is a Network Interface Card (NIC)?
a) A device that connects multiple devices in a LAN
b) A tool used to test network connectivity
c) A type of network topology
d) A hardware component that enables a computer to connect to a network
75. What is Latency in a network?
a) The amount of time it takes for a packet to travel from one point to another on a network
b) The measure of how much data can be transmitted in a given amount of time
c) The measure of the probability of a network failure
d) The amount of data that can be transmitted in a given amount of time