169 Which of the following would most likely increase the accuracy of estimating the project cost？ A. Pricing out the work at lower levels in the work breakdown structure.
B. Using historical data.
C. Talking to people who have worked on similar projects.
D. All of the above.
E. A and C only
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更多“169Which of the following woul…”相关的问题
第1题
A response memo states a policy or procedure you want the reader or co-worker to follow.()
第2题
169 Which quality management tool would be used to determine potential causes of a production problem？
A. control chart.
B. Ishikawa diagram.
C. scatter diagram.
D. histogram.
E. run chart
第3题
169 Which type of process involves the agency holding discussions with each of the offerors, after receipt of their proposals, in the process of arriving at an agreement prior to the award of a contract？ A. Sealed bidding
B. Competitive proposals
C. Noncompetitive proposals
D. Formal bid
E. Verbal bid
第5题
已知G4=(VT{a，'，'，(，)}，VN={S,L，L'}，S,P)，其中P为， S→(L)|a|ξ L→SL' L'→，SL'|ξ FOLLOW(S)是(29)。
A．{'，'，ξ，}}
B．{'，'#，}}
C．{a，'，'ξ，}}
D．{a，'，'，#}
第6题
A. BGP
B. OSPF
C. IS - IS
D. EIGRP
E. RIPv2
第7题
A.Which of the following choices best explain this situation？()
B.Your maximum log file size is too small
C.No security violations have occurred
D.Event auditing is not turned on
E.The security log has been turned off
第8题
You are creating a Windows Communication Foundation (WCF) service that implements the following service contract.[ServiceContract]public interface IOrderProcessing { [OperationContract] void ApproveOrder(int id);}You need to ensure that only users with the Manager role can call the ApproveOrder method. What should you do？（）
A. In the method body, check the Rights PosessesProperty property to see if it contains Manager
B. Add a PrincipalPermission attribute to the method and set the Roles property to Manager
C. Add a SecurityPermission attribute to the method and set the SecurityAction to Demand
D. In the method body, create a new instance of WindowsClaimSet. Use the FindClaims method to locate a claimType named Role with a right named Manager
第9题
You are developing a Windows Communication Foundation (WCF) service that contains the following service contract.[ServiceContract()]public interface IPaymentService{ [OperationContract()] void RecordPayments(Person person);}public class Person{ ... }public class Employee : Person{ ... }public class Customer : Person{ ... }You need to ensure that RecordPayments can correctly deserialize into an Employee or a Customer object.What should you do？（）
A. Add the following KnownType attribute to the Employee class and to the Customer class. [KnownType(GetType(Person))]
B. Implement the IExtensibleDataObject interface in the Person class.
C. Implement the IExtension(ofType(T)) interface in the Person class.
D. Add the following KnownType attributes to the Person class. [KnownType(GetType(Employee))] [KnownType(GetType(Customer))]
第10题
Reading Comprehension
Directions:There are two passages in this part. Each passage is followed by some questions or unfinished statemerits. For each of them there are four choices marked A,B,C and D. You should decide on the best choice.
Questions 56-60 are based on Passage One:
Passage One
A recent study indicates that the “short sleepers”had been more or less average in their sleep needs until the men were in their teens. But at about age 15 0r so, the men voluntarily began cutting clown their nightly sleep time because of pressures from school, work, and other activities. These men tended to view their nightly periods of unconsciousness as bothersome interruptions in their daily routines.
In general, these“short sleepers”appeared ambitious, active, energetic, cheerful,conformist in their opinions, and very sure about their career choices. They often heldseveral jobs at once, or work full-or part-time while going to school. And many of them hada strong urge to appear “normal”or “acceptable” to their friends and associates , When asked to recall their dreams, the “short sleepers”did poorly. More than this,they seemed to prefer not remembering. In similar fashion, their usual way of dealing with psychological problems was to deny that the problem existed, and then to keep busy in the hope that the trouble woula go away.
The sleep patterns of the “short sleepers” were similar to, but less extreme than, sleep patterns shown by many mental patients categorized as manic.
The“long sleepers”were quite different indeed. According to the study, these young men had lengthy sleeps since childhood. They seemed to enjoy their sleep, protected it, and were quite concerned when they were occasionally deprived of their desired 9 hours of nightly bed rest. They tended to recall their dreams much better than did the “short sleepers”。
Many of the“long sleepers” were shy, anxious, introverted, inhibited, passive, mildly depressed, and unsure of themselves (particularly in social situations). Several openly state that sleep was an escape from their daily problems.
According to the study, ().
A. many short sleepers need less sleep by nature
B. many short sleepers are obliged to reduce their nightly sleep time because they are busy with their work
C. long sleepers sleep a longer period of time during the day
D. many long sleepers preserve their sleeping habit formed during their childhood
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