Red Hat OpenShift Developer II DO288 Practice Exam

Which command creates a service of type ExternalName that points to an external host name?

oc create service externalname <servicename> --external-name <mysql_db> oc create service externalName <servicename> --external-name <mysql_db> oc create service clusterip <servicename> --external-name <mysql_db> oc create service externalname <servicename> --external-name <db>

Correct Answer:

oc create service externalname --external-name

Explanation:

ExternalName services route to an external DNS name instead of a cluster IP. You create one by specifying the service type as externalname and providing the external host with the --external-name flag. The command that fits this pattern is oc create service externalname --external-name . It uses the correct resource type and the correct flag to point to the external host. The other options fail because they either use a different service type (like clusterip), or use incorrect capitalization for the resource type or the flag, or supply a less appropriate external name.

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