The bastion host is usually implemented as a , as it contains two network interfaces: one that is connected to the external network and one that is connected to the internal network, such that all traffic must go through the device to move between the internal and external networks.

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

When is it appropriate to use an absolute reference