In a computer's IP address settings, the _____________ gateway is the address of the router to which a computer sends all packets that are intended for networks outside of its own.

A ________ that has been placed to the left of a column and/or row identifier indicates that the cell reference will not change when it is copied

A) * B) ~ C) # D) $

IANA has grown dramatically and now oversees five __________ that parcel out IP addresses to large ISPs and major corporations.

A. Domain Name Registrants (DNRs) B. Internet Registrar Accreditation Units (IRAUs) C. Internet Corporations for Assigned Names and Numbers (ICANNs) D. Regional Internet Registries (RIRs)