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:
With the advent of wireless adapters, a new breed of peer-to-peer has risen. Ad hoc networks are user created without a connection to a LAN. One device creates the network. Then, other devices with the appropriate adapter and within range can join that network.