PPSC Past Paper Excise & Taxation Inspector Region (LAHORE) Excise, Taxation & Narcotics Control Department 2018 Solved MCQs, Computer MCQs, Internet MCQs, PPSC Solved Past Papers MCQsA ___________ is a data communication system within a building, plant, or campus, or between nearby building?A. MAN B. LAN C. WAN D. None of these The first UN Conference on Environment and Development was held in 1992 at?Which of the following Governor General of Pakistan died in exile?