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DCA · Question #17
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Submitted by helene.fr· Apr 18, 2026Container Orchestration
Question
Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?
Options
- Adocker service create --name dns-cache -p 53:53/udp dns-cache
- Bdocker service create --name dns-cache -p 53:53 --service udp dns-cache
- Cdocker service create --name dns-cache -p 53:53 ..constraint networking.protocol.udp=true dns-
- Ddocker service create --name dns-cache -p 53:53 --udp dns-cache
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Topics
#Docker Swarm#Service Creation#Port Publishing#UDP Protocol