Which of the following is not an advantage of Electronic Communications Networks (ECNs)?
A) All unfilled orders are available for review by ECN traders.
B) Transactions costs are lower for ECN trades.
C) Trades are made and confirmed faster.
D) ECNs work well for thinly traded stocks.
D
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When maintaining customer records, it is best practice to maintain all data in a single CMDB, accessible by all who are authorized.
Answer the following statement true (T) or false (F)
Which of the following is used to help project managers plan, schedule, monitor, and control their projects?
A) PDM B) SWOT C) DFD D) ERD
Beck seeks information about Donatello and other well-known businesspersons under the Freedom of Information Act. To obtain the informa-tion, Beck must
a. agree not to reveal any trade secrets. b. reasonably describe the information. c. get a court order. d. have the businesspersons' permission.
Each regular entity type in an E-R diagram is transformed into a:
A) row in a relation. B) column in a relation. C) relation. D) tuple in a relation. E) database.