What is indicated when the domain name has only two letters like .us, .uk, .au, .mx, or .ca

What is indicated when the domain name has only two letters like .us, .uk, .au, .mx, or .ca

What is indicated when the domain name has only two letters like .us, .uk, .au, .mx, or .ca



a. invalid domain

b. private domain

c. secure domain

d. country domain



Answer: d