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Which four statements about NetFlow are true？（）
A . NetFlow records bidirectional IP traffic flow.
B . NetFlow export can be implemented over IPv4.
C . NetFlow export can be implemented over IPv6.
D . NetFlow records multicast IP traffic flow.
E . NetFlow records ingress traffic.
F . NetFlow records egress traffic.
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Which four statements are true？（）
A . Has-a relationships should never be encapsulated.
B . Has-a relationships should be implemented using inheritance.
C . Has-a relationships can be implemented using instance variables.
D . Is-a relationships can be implemented using the extends keyword.
E . Is-a relationships can be implemented using the implements keyword.
F . An array or a collection can be used to implement a one-to-many has-a relationship.
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Which four are true？（）
A . Has-a relationships should never be encapsulated.
B . Has-a relationships should be implemented using inheritance.
C . Has-a relationships can be implemented using instance variables.
D . Is-a relationships can be implemented using the extends keyword.
E . Is-a relationships can be implemented using the implements keyword.
F . An array or a collection can be used to implement a one-to-many has-a relationship.
G . The relationship between Movie and Actress is an example of an is-a relationship.
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Which four are valid Oracle constraint types? （）
A . CASCADE
B . UNIQUE
C . NONUNIQUE
D . CHECK
E . PRIMARY KEY
F . CONSTANT
G . NOT NULL
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Which four vertical markets is IPsmartSuite focused?（）
A . manufacturing
B . legal
C . healthcare
D . financial
E . automotive
F . retail
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Four-fold degenerate codon（四重简并位点）
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The working cycle of a four-stroke diesel engine consists of four events:（） (1) compression (2) expansion (3) exhaust (4) suctionThe correct sequence is
A . (4)-(2)-(3)-(1)
B . (4)-(3)-(1)-(2)
C . (4)-(3)-(2)-(1)
D . (4)-(1)-(2)-(3)
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what is four ospf area type？
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The RiskRating for an IPS signatureis calculatedusing four primary components. Select the four components below. （）
A . SignatureFidelity Rating
B . Alert Severity Rating
C . Exploit Probability Rating
D . Target Value Rating
E . Attack Relevancy Rating
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He has（）four successful books.
A . wrote
B . written
C . been writing
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Martell，Chivas，Bell’s是世界著名的白兰地品牌。
A . 正确
B . 错误
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3:04 is four past three in British English, an in American English it is said as four ________ three
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Chivas, Johnnie Wallker, Four Rose是世界著名的威士忌品牌。
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Usually there are four men and four women in a folk dancing group.
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Siheyuanis a four-side A courtyard, it usually consists of houses on its four sides with a B in the center.
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下列语句片断中，four的值为（）。Int three=3;Char one=’1’Char four=(char)(three+one);
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“ Four Treasures of the Study ” include
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Four dimensions of teaching and learning tasks represented by the “four eyes”: Involvement, ______ , Induction, Incorporation.
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four－wheel drive 意思是四轮驱动。（)
four-wheel drive 意思是四轮驱动。()
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Paragraph Four is mainly
A．narrating about a fact.
B．describing characters.
C．recording an argument.
D．arguing an issue.
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The four strokes of a four-stroke diesel engine according to their sequence are :suction,compression,expansion and exhaust.()
此题为判断题(对，错)。
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Among the four strokes of a four-stroke diesel engine,suction and expansion strokes are the upward strokes.()
此题为判断题(对，错)。
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（Para. 7, Passage Four）
That’s because it’s impossible to pre-program a robot for everything it will encounter in the ever-changing real world
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（Para. 5, Passage Four）
Although reefs face other threats from pollution, industrial activities, and overfishing, it is global climate change that most concerns scientists
