What should you do after a problem has been resolved at an on-site service call?
A. if you restored data, tell the user all their data is fully restored
B. hand the customer the bill and tell him to have a nice day
C. tell the customer that if they contracted for preventive maintenance, these problems wouldn't happen
D. if you changed anything since the last boot, reboot one more time
Answer: D
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A sorting algorithm based on a priority queue is
A) quicksort B) insertion sort C) bubble sort D) heap sort
How much data can be “in flight” between a sending ground station, a satellite, and a receiving station? To find out, compute the delay-throughput product for a GEO satellite network that operates at 3 Mbps. Assume that the satellite orbits at 20,000 miles above the earth, and that radio transmissions propagate at the speed of light.
What will be an ideal response?