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Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over.
Facebook is mentioned to show that_____.
Facebook is mentioned to show that_____.
A.America needs a general data-protection law
B.online economy relies heavily on consumer data
C.online news can produce strong economic impact
D.America has benefited greatly from self-regulation
B.online economy relies heavily on consumer data
C.online news can produce strong economic impact
D.America has benefited greatly from self-regulation
参考答案
参考解析
解析：[信息锁定]第三段首先指出，美国尚未通过任何一项包罗性的数据保护法，其自我监管方式的弱点正日益突显，公司几乎可以对用户数据为所欲为。最后指出，“将8700万用户的数据转给一家政治活动公司”的行为被报道之后，脸书陷入了危机。可见，文中提及脸书意在说明自我监管方法存在缺陷、美国需要一部全面的数据保护法，A.正确。[解题技巧]B.为第三段③句所述事实，但这是背景信息，并未触及核心观点，因此并非事例说明对象。且事例本身强调的是“脸书因转移用户数据而陷入危机”，并非“脸书对用户数据的依赖”。C.对事例信息“新闻披露（news）使得脸书陷入危机”过度推导，文中并非意在强调“新闻的影响”，更未指出这是“在线新闻”。D.对第四段首句the benefits of self-regulation断章取义，结合第三段③句可知，该句是在指出“自我监管方法的益处受到质疑”，选项内容与其相悖。
更多 “Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over. Facebook is mentioned to show that_____.A.America needs a general data-protection law B.online economy relies heavily on consumer data C.online news can produce strong economic impact D.America has benefited greatly from self-regulation” 相关考题
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Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over.
It can be inferred from Paragraph 4 that privacy legislation is likely to_____A.be opposed by tech companies
B.cause concerns among consumers
C.promote corporate innovation
D.hinder the popularity of apps
考题
Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over.
The most suitable title for this text would be____A.American firms in Europe will have to comply with the GDPR
B.America should protect its citizens'privacy and its firms'health
C.America should borrow from Europe's data-privacy law
D.America's data economy is evolving into a new era
考题
Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over.
Which of the following is true,according to Paragraph 5?A.The GDPR may result in fragmentation of international law.
B.America is restricting its firms from doing business in Europe.
C.American states have detected a need for greater data privacy.
D.California is considering legislation to protect personal data.
考题
Text 2 Internet service providers have realized that they are sitting on a treasure chest of data about your online activities that they could be selling to advertisers.Recognizing the privacy threat,the Federal Communications Commission adopted rules that would have stopped them from doing so without your consent,but Congress recently shot down the regulation.This is a big deal.Privacy doesn't merely benefit individuals;it fundamentally shapes how society functions.It is crucial for marginalized communities and for social movements.Privacy enables these groups to network,organize,and develop their ideas before challenging the status quo.But when people know they're being tracked and monitored,they change their behavior.This chilling effect hurts our intellectual freedoms and our capacity for social progress.The data that tracks our behavior feeds into machine-learning algorithms that make judgments about us.When used for advertising,they can reproduce our own prejudiced behavior.Marketers can use machine learning to figure out your unique features-do you resDond better to words or to pictures?Do you make impulsive shopping decisions?-to target you with exactly the advertisement that will best persuade you.When consequential decisions about employment or loans are made using this kind of data,the result can feel absurd and incomprehensible,because these systems aren't programmed to explain their decisions.There aren't yet effective ways for humans to hold algorithms accountable for how they categorize us.The good news is how effective technology can be in preventing tracking.We found that ad blockers and other browser-privacy tools can decrease tracking by 80 percent or more.More complex tools can be even more effective.In other worcls,the more technically savvy among us can enjoy dramatically better privacy and digital freedoms.But this has resulted in a technological"arms race,"which is worrying by itself,but also because such technical skill correlates with historically advantaged groups.Meanwhile,publishers are caught in the ad-blocking crossfire,endangering the free press.One bright spot is that online privacy research has had a tremendous effect.It has helped regulators curb the worst of the offenses,forced companies to roll back invasions because of public-relations pressure,spurred the development of privacy tools,and developed a healthy public debate about online tracking.The fight for privacy is now closely linked to the fight for digital civil liberties and democratic values,and it is a movement that includes activists,artists,journalists,researchers,and everyday users of technology.There's tremendous power in your hands to take charge of your own privacy as well as foster these societal values.
It can be learned from Paragraph 3 that data-driven algorithms could____A.overcome personal prejudices
B.produce unconvincing advertisements
C.form unreliable hiring decisions
D.categorize humans reasonably
考题
Text 2 Internet service providers have realized that they are sitting on a treasure chest of data about your online activities that they could be selling to advertisers.Recognizing the privacy threat,the Federal Communications Commission adopted rules that would have stopped them from doing so without your consent,but Congress recently shot down the regulation.This is a big deal.Privacy doesn't merely benefit individuals;it fundamentally shapes how society functions.It is crucial for marginalized communities and for social movements.Privacy enables these groups to network,organize,and develop their ideas before challenging the status quo.But when people know they're being tracked and monitored,they change their behavior.This chilling effect hurts our intellectual freedoms and our capacity for social progress.The data that tracks our behavior feeds into machine-learning algorithms that make judgments about us.When used for advertising,they can reproduce our own prejudiced behavior.Marketers can use machine learning to figure out your unique features-do you resDond better to words or to pictures?Do you make impulsive shopping decisions?-to target you with exactly the advertisement that will best persuade you.When consequential decisions about employment or loans are made using this kind of data,the result can feel absurd and incomprehensible,because these systems aren't programmed to explain their decisions.There aren't yet effective ways for humans to hold algorithms accountable for how they categorize us.The good news is how effective technology can be in preventing tracking.We found that ad blockers and other browser-privacy tools can decrease tracking by 80 percent or more.More complex tools can be even more effective.In other worcls,the more technically savvy among us can enjoy dramatically better privacy and digital freedoms.But this has resulted in a technological"arms race,"which is worrying by itself,but also because such technical skill correlates with historically advantaged groups.Meanwhile,publishers are caught in the ad-blocking crossfire,endangering the free press.One bright spot is that online privacy research has had a tremendous effect.It has helped regulators curb the worst of the offenses,forced companies to roll back invasions because of public-relations pressure,spurred the development of privacy tools,and developed a healthy public debate about online tracking.The fight for privacy is now closely linked to the fight for digital civil liberties and democratic values,and it is a movement that includes activists,artists,journalists,researchers,and everyday users of technology.There's tremendous power in your hands to take charge of your own privacy as well as foster these societal values.
According to Paragraph l,Congress intends to____.A.protect citizens'personal data
B.monitor advertisers'online activities
C.allow ISPs to sell users'data
D.approve the FCC's privacy rules
考题
Text 2 Internet service providers have realized that they are sitting on a treasure chest of data about your online activities that they could be selling to advertisers.Recognizing the privacy threat,the Federal Communications Commission adopted rules that would have stopped them from doing so without your consent,but Congress recently shot down the regulation.This is a big deal.Privacy doesn't merely benefit individuals;it fundamentally shapes how society functions.It is crucial for marginalized communities and for social movements.Privacy enables these groups to network,organize,and develop their ideas before challenging the status quo.But when people know they're being tracked and monitored,they change their behavior.This chilling effect hurts our intellectual freedoms and our capacity for social progress.The data that tracks our behavior feeds into machine-learning algorithms that make judgments about us.When used for advertising,they can reproduce our own prejudiced behavior.Marketers can use machine learning to figure out your unique features-do you resDond better to words or to pictures?Do you make impulsive shopping decisions?-to target you with exactly the advertisement that will best persuade you.When consequential decisions about employment or loans are made using this kind of data,the result can feel absurd and incomprehensible,because these systems aren't programmed to explain their decisions.There aren't yet effective ways for humans to hold algorithms accountable for how they categorize us.The good news is how effective technology can be in preventing tracking.We found that ad blockers and other browser-privacy tools can decrease tracking by 80 percent or more.More complex tools can be even more effective.In other worcls,the more technically savvy among us can enjoy dramatically better privacy and digital freedoms.But this has resulted in a technological"arms race,"which is worrying by itself,but also because such technical skill correlates with historically advantaged groups.Meanwhile,publishers are caught in the ad-blocking crossfire,endangering the free press.One bright spot is that online privacy research has had a tremendous effect.It has helped regulators curb the worst of the offenses,forced companies to roll back invasions because of public-relations pressure,spurred the development of privacy tools,and developed a healthy public debate about online tracking.The fight for privacy is now closely linked to the fight for digital civil liberties and democratic values,and it is a movement that includes activists,artists,journalists,researchers,and everyday users of technology.There's tremendous power in your hands to take charge of your own privacy as well as foster these societal values.
Which of the following statements about privacy is true?A.It affects individual activities more than social operations.
B.It benefiis marginalized groups but hurts the mainstream.
C.It conflicts with the pursuit of intellectual freedoms.
D.It contributes to the advancement of society.
考题
Text 2 America rarely looks to Brussels for guidance.Commercial freedom appeals more than governmental control.But when it comes to data privacy,the case for copying the best bits of the European Union's approach is compelling.The General Data Protection Regulation（GDPR）is due to come into force next month.It is rules-heavy and has its flaws,but its premise that consumers should be in charge of their personal data is the right one.The law lets users gain access to,and to correct,information that firms hold on them.It gives consumers the right to transfer their data to another organisation.It requires companies to define how they keep data secure.And it lets regulators levy big fines if firms break the rules.America has enacted privacy rules in areas such as health care.But it has never passed an overarching data-protection law.The failings of America's self-regulatory approach are becoming clearer by the week.Large parts of the online economy are fuelled by data that consumers spray around without thought.Companies'mysterious privacy policies obscure what they do with their users'information,which often amounts to pretty much anything they please.Facebook is embroiled in crisis after news that data on 87m users had been passed to a political-campaign firm.These are changing the calculus about the benefits of self-regulation.Opponents of privacy legislation have long argued that the imposition of rules would keep technology companies from innovating.Yet as trust leaks out of the system,innovation is likely to suffer.If consumers worry about what smartphone apps may do with their data,fewer new offerings will take off.It is striking that many of the firms preparing for the GDPR's arrival in Europe are excited that the law has forced them to put their data house in order.The need to minimise legal fragmentation only adds to the case for America to adopt bits of the GDPR.One reason behind the new rules in the EU was to harmonise data-protection laws so that firms can do business across Europe more easily.America is moving in the opposite direction.States that have detected a need for greater privacy are drafting their own laws.California has pending legislation that would establish a data-protection authority to regulate how the state's big tech firms use Californians'personal data.The GDPR is far from perfect.At nearly 100 articles long,it is too complex and tries to achieve too many things.The compliance costs for smaller firms,in particular,look burdensome.But these are arguments for using it as a template,not for ignoring the issue of data protection.If America continues on today's path,it will fail to protect the privacy of its citizens and long-term health of its firms.America's data economy has thrived so far with hardly any rules.That era is over.
According to Paragraphs l and 2,GDPR——.A.stresses commercial freedom over governmental control
B.aims to give citizens the control of their personal data
C.grants companies the right to collect user information
D.recognizes the legitimacy of data transfer among firms
考题
Text 2 Internet service providers have realized that they are sitting on a treasure chest of data about your online activities that they could be selling to advertisers.Recognizing the privacy threat,the Federal Communications Commission adopted rules that would have stopped them from doing so without your consent,but Congress recently shot down the regulation.This is a big deal.Privacy doesn't merely benefit individuals;it fundamentally shapes how society functions.It is crucial for marginalized communities and for social movements.Privacy enables these groups to network,organize,and develop their ideas before challenging the status quo.But when people know they're being tracked and monitored,they change their behavior.This chilling effect hurts our intellectual freedoms and our capacity for social progress.The data that tracks our behavior feeds into machine-learning algorithms that make judgments about us.When used for advertising,they can reproduce our own prejudiced behavior.Marketers can use machine learning to figure out your unique features-do you resDond better to words or to pictures?Do you make impulsive shopping decisions?-to target you with exactly the advertisement that will best persuade you.When consequential decisions about employment or loans are made using this kind of data,the result can feel absurd and incomprehensible,because these systems aren't programmed to explain their decisions.There aren't yet effective ways for humans to hold algorithms accountable for how they categorize us.The good news is how effective technology can be in preventing tracking.We found that ad blockers and other browser-privacy tools can decrease tracking by 80 percent or more.More complex tools can be even more effective.In other worcls,the more technically savvy among us can enjoy dramatically better privacy and digital freedoms.But this has resulted in a technological"arms race,"which is worrying by itself,but also because such technical skill correlates with historically advantaged groups.Meanwhile,publishers are caught in the ad-blocking crossfire,endangering the free press.One bright spot is that online privacy research has had a tremendous effect.It has helped regulators curb the worst of the offenses,forced companies to roll back invasions because of public-relations pressure,spurred the development of privacy tools,and developed a healthy public debate about online tracking.The fight for privacy is now closely linked to the fight for digital civil liberties and democratic values,and it is a movement that includes activists,artists,journalists,researchers,and everyday users of technology.There's tremendous power in your hands to take charge of your own privacy as well as foster these societal values.
Online privacy research has had a tremendous effect by____.A.providing evidence to regulators
B.fining companies for invasions
C.designing privacy tools
D.raising public awareness
考题
Most of them know they should resistthe temptation to spend more than they can earn, but knowing that isn′t muchhelp ______ it comes to shopping on line.A.before
B.since
C.when
D.after
考题
When provisioning for Interactive-Video（e，g，video conferencing traffic）which three statementsdepicts the correct requirements？（）A、Loss should be no more than 1 percent.B、One-way latency should be no more than 150 msC、Jitter should be no more than 30 msD、Loss should be no more than 3 percentE、One-way latency should be no more than 150/2=75 msF、Jitter should be no more than 300 ms
考题
In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）A、When the data file of the undo tablespace is autoextensibleB、When there are more than one undo tablespaces available in the databaseC、When the undo tablespace is of a fixed size and retention guarantee is not enabledD、When the undo tablespace is autoextensible and retention guarantee is not enabled
考题
What are three characteristics of UDP?（）A、UDP is faster than TCPB、UDP operates at the Transport LayerC、UDP is connection-orientedD、UDP data is sent best-effortE、UDP is more reliable than TCP
考题
In which situation may the UNDO_RETENTION parameter be ignored， even if it is set to a value（）A、when the data file of the undo tablespace is autoextensibleB、when there are more than one undo tablespaces available in the databaseC、when the undo tablespace is of a fixed size and retention guarantee is not enabledD、when the undo tablespace is autoextensible and retention guarantee is not enabled
考题
Identify two situations in which the block header grows in a data block. （）A、when row directories need more row entriesB、when there is row migration in the data blockC、when there is an increase in the PCTFREE value for the data blockD、when more transaction slots are required than are initially configured
考题
多选题When provisioning for Interactive-Video（e，g，video conferencing traffic）which three statementsdepicts the correct requirements？（）ALoss should be no more than 1 percent.BOne-way latency should be no more than 150 msCJitter should be no more than 30 msDLoss should be no more than 3 percentEOne-way latency should be no more than 150/2=75 msFJitter should be no more than 300 ms
考题
单选题According to the passage, which of the following is true?A
It is very difficult for the middle-aged to live in America.B
America is Kids Country because the majority of the American population is children.C
Kids Country was taking shape in America when immigrants poured into the country.D
America is more of Kids Country than any other countries in the world.
考题
多选题A general purpose MySQL instance is configured with the following options: —log-slow-queries —long-query-time=,0001 —log-slow-admin-queries —general-log —log-bin —binlog-format=STATEMENT —innodb-flush-log-at-trx-commit=1 Which three statements are true（）。AThe General Query Log records more data than the Binary LogBThe binary Log records more data than the General Query LogCThe Slow Query Log records more data than the General Query LogDThe General Query Log records more data than the Slow Query LogEThe Slow Query Log records more data than the Binary LogFThe Binary Log records more data than the Slow Query Log
考题
多选题What are three characteristics of UDP?（）AUDP is faster than TCPBUDP operates at the Transport LayerCUDP is connection-orientedDUDP data is sent best-effortEUDP is more reliable than TCP
考题
单选题Which statement is true about Malta’s immigrant population?A
It has a large immigrant population.B
Its immigrant population is more than 3,000.C
Its immigrant population totals 7,000.D
Its immigrant population comes to less than 1% of the island’s 400, 000 population.
考题
单选题Which of the following situations best illus- trates the phenomenon described in the second paragraph of Passage 2 (lines 92-113)?A
A fan brings a stuffed animal to a football game because he believes that it will help his team's performance.B
A hockey team's best scorer flips a coin to decide which hockey stick he will use for that game.C
A sportswriter blames a team loss on a baseball player who struck out to end a game.D
A basketball team's best player feels more energized when she is on the court than when she is sitting on the bench.E
A rugby player feels more nervous playing in a championship game than he does playing in a regular-season game.
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