When a vendor hosts software on a website and you don't need to install the software on your device, this is known as: (1 point)freeware. software as a service. beta software. open source software?

Explain why it is reasonable to assume that receiving 3 duplicate acks in tcp is an indication that the network is not currently congested.

Amedian in the road will be marked with a white sign that has a black arrow going to the left of the median. true false

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)