Final answer:
The answer is option b) IP address. IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Step-by-step explanation:
The answer to the question 'Contains the identification number without hyphens or spaces' is option b) IP address.
IP address stands for Internet Protocol address and it is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves two main purposes - to identify the host or network interface and to provide the location of the host in the network.