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Which two statements about the DiffServ model are true？（）
A . a class can be identified as a single application， multiple applications with similar service needs，or be based on the source or destination IP address
B . a drawback of the DiffServ field in the MAC header to mark frames into behavior aggregates （BAs）
C . DiffServ uses the DiffServ field in the MAC header to mark frames into behavior
D . the DiffServ field occupies the same eight bits of the MAC header that were previously used for the ToS field
E . the first six high-order bits of the DiffServ field are used to identify the Resource Reservation Protocol （RSVP） value
F . the primary goal of DiffServ is scalability
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Which statement about the gyrocompass is FALSE（）.
A . Its accuracy remains the same at all latitudes
B . It seeks the true meridian
C . It can be used near the Earth's magnetic poles
D . If an error exists，it is the same on all heading
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Which two statements are true about the hashCode method？（）
A . The hashCode method for a given class can be used to test for object equality and object inequality for that class.
B . The hashCode method is used by the java.util.SortedSet collection class to order the elements within that set.
C . The hashCode method for a given class can be used to test for object inequality， but NOT objecte quality， for that class.
D . The only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.
E . The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.
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Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? （）
A . It releases the storage space used by the table.
B . It does not release the storage space used by the table.
C . You can roll back the deletion of rows after the statement executes.
D . You can NOT roll back the deletion of rows after the statement executes.
E . An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.
F . You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table
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Which statement is TRUE about the CacheFactory class ？（）
A . it is a topology agnostic way to access NamedCaches
B . it provides mechanisms to manage underlying remote data sources
C . both A and B are TRUE
D . Neither A nor B are TRUE
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Which of the following statements is TRUE about the reorgvg command?（）
A . No logical volumes wil be moved if write-verify is set to yes.
B . No action will be performed if it cannot fulfill the allocation requirements.
C . Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no".
D . Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.
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Which statement about the Navigation Rules is TRUE?（）.
A . The rules require vessels to comply with Traffic Separation Scheme regulations
B . The rules use the term safe speed
C . The Rules permit a stand-on vessel to take action prior to being in extremis
D . All of the above are correct
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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 of the following statements about the money market are true?
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Which of the following statement is true about the terrorist attack （）
A．It is a deadly bombing in Germany last night and is considered by the government as a right-wing terrorist attack．
B．Eleven people were found dead at two hookah bars outside Frankfurt．
C．The suspect escaped after the attack and the police has not found him yet．
D．According to media reports, the victims in the bars were from Germany’s Turkish and Kurdish communities．
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Which of the following statements is not true about the umbrella？
A．The umbrella was first invented to be used as protection against the sun.
B．The umbrella changed much in style. in the eighteenth century.
C．No one exactly knows who was the inventor of the umbrella.
D．In Europe, the Greeks were the first to use the umbrella.
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Which of the following statements is tree about the respondents？
A．Women are more willing to cooperate than men.
B．The number of male respondents is a little larger than that of the female.
C．The respondents are not willing to cooperate for the sake of privacy.
D．The number of female respondents is larger than that of the male.
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Which of the following statements is INCORRECT about the umbrella？
A．No one exactly knows who the inventor of the umbrella was.
B．The umbrella was fist invented to protect against the sun.
C．The umbrella changed much in style. in the eighteenth century.
D．In Europe the Greeks were the first to use the umbrella.
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Which of the following statements about the research is NOT the？（）
A．it was done within 30 hours.
B．It was headed by Professor Stickgold.
C．It focused on long-term memory formation.
D．There were altogether 24 subjects in the experiment.
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Which of the following statements is INCORRECT about the mounting femicides？
A．violence toward women is a common phenomenon occurring in Mexico.
B．Mexico's government kept an indifferent attitude to the violence toward women.
C．Mexico's government has exerted itself to tackle crimes against females.
D．The statistics about women victim cases is usually distorted by the government.
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Which of the following statements about the Saudi man is CORRECT？
A．He is the only one to be charged in the 2000 bombing.
B．He has already served one year in the US military prison.
C．He will probably be sentenced to capital punishment.
D．He said he had confessed to the Pentagon voluntarily.
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32 Which statement about the epidemic is NOT true？
A It starts on March 15.
B It occurs every fourth year.
C It is known as "March Madness"
D It lasts through the beginning of April.
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Which of the following statements about the little quiz is CORRECT？
A．The place of the quiz need to be fixed.
B．The purpose is to find out if your boss is a madman.
C．The only question is if a boss is a superficially charming person.
D．One of the question is if a boss has a lot of real and helpful friends.
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Which of the following statements is INCORRECT about the town？
A．The town seems to be in a terribly run-down state.
B．The weather of the town is agreeable in winter.
C．The largest building is on the brink of collapse.
D．In summer, people can see a figure in the largest building.
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Which statement is correct about the information shown in the exhibit？（）
<img src='https://img2.soutiyun.com/shangxueba/ask/17124001-17127000/17125965/b72f75ba07546ac2c64c056638aa8ab6.jpg' />
A. The factory-default configuration is running on the device.
B. The Junos OS was corrupted and did not boot correctly.
C. The device was recently upgraded to a newer version of the Junos OS.
D. The device‘s memory has been corrupted and no file system is present after a reboot.
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Which of the statement about the investment firm is INCORRECT？
A．It manages group pension funds for more than a hundred firms
B．It may have covered up losses for years according to the reports.
C．It will take every possible step to prevent further loss of funds.
D．Japan watchdog halts its operations on fears over lost asset.
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Which of the following statements about the research is NOT time？
A．It was done within 30 hours．
B．It was headed by Professor Stinkwood．
C．It focused on long-term memory formation．
D．There were altogether 24 subjects in the expedient．
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Which of the following statements about the Amber Room was wrong？
A．Gold and jewels were included in making it．
B．It must be somewhere now as a whole
C．The Amber Room would be very soft when heate
D．Frederick William I gave the Amber Room to Peter the Great．
