| Subject | English | Welsh |
| comp., MS | replica set topology | topoleg set ddyblyg (The order in which changes are propagated from replica to replica. Topology determines how quickly changes in another replica appear in your replica) |
| comp., MS | replication topology | topoleg ddyblyg (In Active Directory replication, the set of connections that domain controllers use to replicate information among themselves) |
| comp., MS | server topology | topoleg y gweinydd (A graphical depiction of the configuration or arrangement of (usually conceptual) servers, including connecting lines) |