This test simulates defined environmental conditions with a predetermined safety factor, the results indicating whether a given design can perform its function within the simulated environment of a system. The test usually is not conducted on models using production tooling and processes. Query A request for identification of a set of assets, expressed in terms of a set of criteria which the identified item must satisfy. Queue A store for a sequence of packets, or messages, which are waiting to be processed. A transmit queue for instance is a store of packets waiting to be transmitted. QWIP Quantum Well Infrared Photodetector.