Host A sends two UDP segments to Server S, one to port 1234 and the other to port 2345. Host B sends one UDP segment to Server S, port 1234. a)
The server S needs to open how many server sockets, N, to handle the three segments from Hosts A and B?
N = ?

b)
see attachment

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

What engine component is shown in the above figure?

Which company provides a crowdsourcing platform for corporate research and development? a: mtruk b: wiki answers c: mediawiki d: innocentive