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多选题
Which statements describe guaranteed behavior of the garbage collection and finalization mechanisms？（）
A
Objects are deleted when they can no longer be accessed through any reference.
B
The finalize（） method will eventually be called on every object.
C
The finalize（） method will never be called more than once on an object.
D
An object will not be garbage collected as long as it is possible for an active part of the program to access it through a reference.
E
The garbage collector will use a mark and sweep algorithm.
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更多 “多选题Which statements describe guaranteed behavior of the garbage collection and finalization mechanisms？（）AObjects are deleted when they can no longer be accessed through any reference.BThe finalize（） method will eventually be called on every object.CThe finalize（） method will never be called more than once on an object.DAn object will not be garbage collected as long as it is possible for an active part of the program to access it through a reference.EThe garbage collector will use a mark and sweep algorithm.” 相关考题
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Which of the following statements describe(s) the properties of a purely segmented memory system?Ⅰ．It divides memory into units of equal sizeⅡ．It permits implementation of virtual memoryⅢ．It suffers from internal fragmentationA．Ⅰ onlyB．Ⅱ onlyC．Ⅲ onlyD．Ⅰand Ⅲ
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An ATM PVC is configured as atm pvc 1 0 101 aal5snap 256 128 100 .Which three statements describe the traffic management characteristics of this interface?()
A.AB.BC.CD.DE.E
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Which of the following statements describe(s)the properties of a purely segmented memory system?(73).Ⅰ. It suffers from internal fragmentationⅡ. It permits implementation of virtual memoryⅢ. It divides memory into units of equal sizeA．Ⅰ onlyB．Ⅲ onlyC．Ⅱ onlyD．Ⅰand Ⅲ
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Which two of these statements best describe the benefits of WPAv2？ （Choose two.）（）A、 SSID broadcast preventionB、 man-in-the-middle attack protectionC、 cost reduction through software upgrades in all existing hardwareD、 dynamic key generationE、 RF jamming prevention
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Which two statements describe the behavior of the server's SQL mode?（）A、The server's SQL mode determines how the server should behave when performing data validation check and interpreting different forms of syntaxB、The server's SQL mode determines whether the server should be read-only or should accept commands such as INSERT and UPDATEC、The server's SQL mode can be changed at the session level with a SET SESSION sql_mode="new_value" commandD、The server's SQL mode, when globally set on a slave server, applies to events sent from the master
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Which of the following statements is NOT true?（）A、The Bill of Rights excluded any Roman Catholics from the succession.B、The Bill of Rights confirmed the principle of parliamentary supremacy.C、The Bill of Rights guaranteed free speech within both the House of Lords and the House of Commons.D、The Bill of Rights requested that no taxes should be raised without consent of Parliament.
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Which statements describe guaranteed behavior of the garbage collection and finalization mechanisms？（） A、Objects are deleted when they can no longer be accessed through any reference.B、The finalize（） method will eventually be called on every object.C、The finalize（） method will never be called more than once on an object.D、An object will not be garbage collected as long as it is possible for an active part of the program to access it through a reference.E、The garbage collector will use a mark and sweep algorithm.
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Which two statements best describe CBWFQ？（）A、The CBWFQ scheduler provides a guaranteed minimum amount of bandwidth to each class.B、CBWFQ services each class queue using a strict priority scheduler.C、The class-default queue only supports WFQ.D、Inside a class queue， processing is always FIFO， except for the class-default queue.
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Which statements about the garbage collection are true？（） A、 The program developer must create a thread to be responsible for free the memory.B、 The garbage collection will check for and free memory no longer needed.C、 The garbage collection allow the program developer to explicity and immediately free the memory.D、 The garbage collection can free the memory used java object at expect time.
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Which statement is correct about a Routing Policy term?（）A、A term must contain a "from" statement.B、A term acts like "if" and "then" statements.C、The most specific term has precedence.D、Terms can be written in any order to achieve the same behavior.
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Which three statements describe how the strict SQL mode provides added security?（）A、It rejects statements that try to insert out-of-range valuesB、It rejects invalid datesC、It limits the operations that the server can performD、It rejects queries that produce out-of-range valuesE、It rejects dates with zero day or month values
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单选题According to the passage, which of the following statements is TRUE?A
The American ship eventually found a port and dumped its garbage before it returned home.B
Throwaway societies don’t need to transport their refuse and garbage to incinerator because they have a lot of space to put them.C
The wandering ship with garbage reflected the fact that garbage problem became very serious.D
The huge populations of rats swarm through poor neighborhood in many Western European countries because the garbage is thrown into the open dumps.
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多选题Which two statements describe the behavior of the server's SQL mode?（）AThe server's SQL mode determines how the server should behave when performing data validation check and interpreting different forms of syntaxBThe server's SQL mode determines whether the server should be read-only or should accept commands such as INSERT and UPDATECThe server's SQL mode can be changed at the session level with a SET SESSION sql_mode=new_value commandDThe server's SQL mode, when globally set on a slave server, applies to events sent from the master
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单选题Which of the following statements is NOT true?A
People may have different personalities.B
People differ from each other in appearance.C
People can learn to recognize human faces.D
People can describe all human features of others.
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单选题Which of the following statements is NOT true?A
Communities all over the world have to face the fact that the world runs out of space to put its trash.B
Having no space to dump the garbage forces some countries to begin recycling programs.C
Recycling was once unfavorably considered as a counter culture activity.D
We have to admit that recycling of the garbage will never move into the mainstream.
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多选题Which two of these statements best describe the benefits of WPAv1？ （）ASSID broadcast preventionBImproved mutual authenticationCImproved encryption through AESDImproved protection against sniffing initialization vectorsERF jamming prevention
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多选题Which three statements describe how the strict SQL mode provides added security?（）AIt rejects statements that try to insert out-of-range valuesBIt rejects invalid datesCIt limits the operations that the server can performDIt rejects queries that produce out-of-range valuesEIt rejects dates with zero day or month values
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单选题Which statements about the garbage collection are true？（）A
The program developer must create a thread to be responsible for free the memory.B
The garbage collection will check for and free memory no longer needed.C
The garbage collection allow the program developer to explicity and immediately free the memory.D
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多选题class A { } class Alpha { private A myA = new A（）； void dolt（ A a ） { a = null； } void tryIt（） { dolt（ myA ）； } } Which two statements are correct？（）AThere are no instanced of A that will become eligible for garbage collection.BExplicitly setting myA to null marks that instance to be eligible for garbage collection.CAny call on tryIt（） causes the private instance of A to be marked for garbage collection.DPrivate instances of A become eligible for garbage collection when instances of Alpha become eligible for garbage collection.
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单选题Which of the following statements best summarises the opening sentence?A
There is a connection between behavior and desired objectives.B
We can assume that behavior is dependent upon motivation.C
Satisfactory behavior is a product of motivation.D
The need to achieve is man’s strongest driving force.
考题
单选题Which of the following statements best expresses the authors view?A
The words people use can influence their behavior.B
Unpleasant words in sports are often used by foreign athletes.C
Aggressive behavior in sports can have serious consequent.D
Unfair judgments by referees will lead to violence on the sports field.
考题
多选题Which two statements best describe CBWFQ？（）AThe CBWFQ scheduler provides a guaranteed minimum amount of bandwidth to each class.BCBWFQ services each class queue using a strict priority scheduler.CThe class-default queue only supports WFQ.DInside a class queue， processing is always FIFO， except for the class-default queue.
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