Engineering, 01.11.2019 04:31 robertojr24ov5pel
(8 pts.) in an attempt to improve wep’s security a proposed modification (known as wep2) uses 128 bits for the initialization vector (iv) value. in this case, estimate how many packets does it take "on average" for an attacker monitoring wireless communications to detect a pair of duplicated ivs (initialization vectors) with at least 50% probability, assuming the iv values are generated randomly when an ap (access point) and a wireless client (station) are communicating using wep2’s 128-bit ivs. (hint: recall the birthday paradox.)
Answers: 2
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
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Engineering, 04.07.2019 18:10
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
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Engineering, 04.07.2019 18:10
Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
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Engineering, 04.07.2019 18:20
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
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(8 pts.) in an attempt to improve wep’s security a proposed modification (known as wep2) uses 128 bi...
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