From Azure cluster:
$ oc get Infrastructure/cluster -o jsonpath='{.status.platformStatus.type}'
Azure
$ oc get network.config/cluster -o jsonpath='{.status.networkType}'
OpenShiftSDN
$ oc get clusterversion
NA4.16 doesn’t has dedicated-admin namespace for SDN live migration to OVN
ME      VERSION                              AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.16.0-0.nightly-2024-04-08-024331   True        False         86m     Cluster version is 4.16.0-0.nightly-2024-04-08-024331

$ oc get project | grep dedicated-admin

From GCP cluster:
$ oc get Infrastructure/cluster -o jsonpath='{.status.platformStatus.type}'
GCP
$ oc get network.config/cluster -o jsonpath='{.status.networkType}'
OpenShiftSDN
$ oc get clusterversion
NAME      VERSION                              AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.16.0-0.nightly-2024-04-08-024331   True        False         12m     Cluster version is 4.16.0-0.nightly-2024-04-08-024331
$ oc get project | grep dedicated-admin
$ oc new-project dedicated-admin
Now using project "dedicated-admin" on server "https://api.weliang-4116.qe.gcp.devcluster.openshift.com:6443".

You can add applications to this project with the 'new-app' command. For example, try:

    oc new-app rails-postgresql-example

to build a new example application in Ruby. Or use kubectl to deploy a simple Kubernetes application:

    kubectl create deployment hello-node --image=registry.k8s.io/e2e-test-images/agnhost:2.43 -- /agnhost serve-hostname

$ oc patch Network.config.openshift.io cluster --type='merge' --patch '{"metadata":{"annotations":{"network.openshift.io/network-type-migration":""}},"spec":{"networkType":"OVNKubernetes"}}'
network.config.openshift.io/cluster patched