A sample of 300 subscribers to a particular magazine is selected from a population frame of 9,000 subscribers. If, upon examining the data, it is determined that no subscriber had been selected in the sample more than once,
A) the sample had to have been selected with replacement.
B) the sample may have been selected without replacement or with replacement.
C) the sample could not have been random.
D) the sample had to have been selected without replacement.
B
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Capacity planning in closed-loop MRP:
A) utilizes feedback about workload from each work center. B) may make use of resource requirements profiles (load reports). C) may smooth work center loads with such tactics as overlapping and lot splitting. D) does not add capacity, but rather seeks effective use of existing capacity. E) All of the above are true.
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The most time-consuming part of firewall management is ________
A) creating ACLs B) creating policies C) reading firewall logs D) None of the above
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