anchor.diff:  - **Manage xref:../security/certificates/replacing-default-ingress-certificate.adoc#replacing-default-ingress[Ingress], xref:../security/certificates/api-server.adoc#api-server-certificates[API server], and xref:../security/certificates/service-serving-certificate.adoc#add-service-serving[service] certificates**: {product-title} creates certificates
   by default for the Ingress Operator, the API server, and for
   services needed by complex middleware applications that require
  -encryption. At some point, you may need to change, add, and
  +encryption. At some point, you might need to change, add, or
   rotate these certificates.
   
   - **xref:../networking/understanding-networking.adoc#understanding-networking[Manage networking]**: Networking in {product-title} is managed by
  
positive.code: * Select the activity that interests you from the contents of this Welcome page
  
  ifdef::openshift-enterprise,openshift-webscale,openshift-origin[]
  You can start with an **xref:../architecture/architecture.adoc#architecture-overview-architecture[Introduction to {product-title}]**
  ifdef::openshift-enterprise,openshift-webscale[]
  and the xref:../release_notes/ocp-4-5-release-notes.adoc#ocp-4-5-release-notes[{product-title} {product-version} release notes].
  endif::[]
  endif::[]
  
  ifdef::openshift-dedicated,openshift-online,openshift-aro[]
  You can start with an **xref:../architecture/architecture.adoc#architecture-overview-architecture[Introduction to {product-title}]**.
  endif::[]
  
  ifdef::openshift-enterprise,openshift-webscale,openshift-origin[]
  
negative.code: xref:../storage/container_storage_interface/persistent-storage-csi.adoc#persistent-storage-using-csi[Container Storage Interface (CSI)],
  and more.
  As needed, you can
  xref:../storage/expanding-persistent-volumes.adoc#expanding-persistent-volumes[expand persistent volumes],
  configure xref:../storage/dynamic-provisioning.adoc#dynamic-provisioning[dynamic provisioning], and use CSI to
  xref:../storage/container_storage_interface/persistent-storage-csi.adoc#persistent-storage-using-csi[configure] and
  xref:../storage/container_storage_interface/persistent-storage-csi-cloning.adoc#persistent-storage-csi-cloning[clone]
  persistent storage.
  
  - **xref:../operators/olm-what-operators-are.adoc#olm-what-operators-are[Manage Operators]**: Lists of Red Hat, ISV, and community Operators can
  be reviewed by cluster administrators and xref:../operators/olm-adding-operators-to-cluster.adoc#olm-adding-operators-to-a-cluster[installed on their clusters]. Once installed, you can xref:../operators/olm-creating-apps-from-installed-operators.adoc#olm-creating-apps-from-installed-operators[run], upgrade, back up or otherwise manage the Operator on your cluster (based on what the Operator is designed to do).
  