According to the International Lactation Consultant Association website, an International Board Certified Lactation Consultant (IBCLC) is a healthcare professional that specializes in the clinical management of breastfeeding.
Basically, an ad hoc network is a temporary network connection created for a specific purpose (such as transferring data from one computer to another). If the network is set up for a longer period of time, it is just a plain old local area network (LAN). Cite this definition:
Ad hoc training. In addition to our fixed date training courses, we also run training on an ad hoc basis. Our current ad hoc training includes practical necropsy, micro computed tomography (micro-CT) and phenotyping, with the possibility that other courses may be developed in the future.