A LAN has a data rate of 4 Mbps and a propagation delay between two stations at opposite ends of 20 us. For what range of PDU sizes does stop-and-wait give an efficiency of a least 70%.

Eye injuries usually occur as a result of all of the following things, except: a) proper machine operation b) battery explosion c) falling or flying debris d) electric welding arc

In the context of the box model, what is the difference between a margin and a padding? a. a padding lies outside a box border, while a margin lies inside it. b. a padding lies inside a box border, while a margin lies outside it. c. a padding can be adjusted independently, while a margin depends on the size of its box. d. a padding depends on the size of its box, while a margin can be adjusted independently.

While preforming before operation pmcs, you notice the front right tire appears slightly under-inflated. what is the proper action?