Teacher:In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Teacher: Now, understand the problem? Solve this instance: Protocols including Packet over SONET / SDH , Multiprotocol Label Switching ( MPLS ) , Asynchronous Transfer Mode ( ATM ) and Frame Relay are often used by service providers to deliver the links that are used in WANs .
Student:
Protocols including Packet over SONET / SDH , MPLS , ATM and Frame relay are often used by service providers to deliver the links that are used in WANs .