Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?

Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?
A . docker service create –name dns-cache -p 53:53/udp dns-cache
B . docker service create –name dns-cache -p 53:53 –service udp dns-cache
C . docker service create –name dns-cache -p 53:53 ..constraint networking.protocol.udp=true dns-cache
D . docker service create –name dns-cache -p 53:53 –udp dns-cache

View Answer

Answer: A