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单选题
A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0, object), but does NOT need to support quick random access. What supports these requirements?（）
A
java.util.Queue
B
java.util.ArrayList
C
java.util.LinearList
D
java.util.LinkedList
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The advancement of technology has boosted the pace of our lives, and requires us to learn something new every day just to stay_________in the workplace.
A.apparentB.currentC.applicable
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●In the following essay，each blank has four choices．Choose the most suitable one from the four choices and write down in the answer sheet．Open Shortest Path First(OSPF)is a (66) routing algorithm that (67) work done on the OSI IS-IS intradomain routing protocol．This routing，as compared to distance-vector routing，requires (68) processing power．The Dijkstra algorithm is used to calculate (69) OSPF routing table updates only take place when necessary， (70) at regular intervals．(66) A．distance-vectorB．link-stateC．flow-basedD．selective flooding(67) A．derived fromB．deviated fromC．was derived fromD．was deviated from(68) A．moreB．lessC．sameD．most(69) A．routesB．roadC．distanceD．cost(70) A．but ratherB．rather tooC．rather thanD．rather that
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Which routing select algorithm is described below ? According to a kind of fix regulation, the select algorithm of route works and has nothing to do with the network information newly.A．Static Routing AlgorithmB．Dynamic Routing AlgorithmC．Centralized Routing AlgorithmD．Distributed Routing Algorithm
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根据下面的文字资料回答 71～75 题 n the following essay，each blank has four choices．Choose the most suitable one from the four choices and write down in the answer sheet．Open Shortest Path First(OSPF)is a（ 1 ）routing algorithm that（ 2 ）work done on the OSI IS-IS intradomain routing protocol．This routing，as compared to distance-vector routing，requires（ 3 ）processing power．The Dijkstra algorithm is used to calculate（ 4 ）OSPF routing table updates only take place when necessary，（ 5 ）at regular intervals．第6题：文中（ 1 ）处正确的答案是（ ）。A．distance-vectorB．link-stateC．flow-basedD．selective flooding
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YouarewritingaJSPthatincludesscriptletcodetodeclareaListvariableandinitializesthatvariabletoanArrayListobject.WhichtwoJSPcodesnippetscanyouusetoimporttheselisttypes?()
A.%!importjava.util.*；%B.%!importjava.util.List；importjava.util.ArrayList；%C.%@pageimport=’java.util.List’import=’java.util.ArrayList’%D.%@importtypes=’java.util.List’types=’java.util.ArrayList’%E.%@pageimport=’java.util.List，java.util.ArrayList’%F.%@importtypes=’java.util.List，java.util.ArrayList’%
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A company that makes Computer Assisted Design (CAD) software has, within its application, some utility classes that are used to perform 3D rendering tasks. The company‘s chief scientist has just improved the performance of one of the utility classes‘ key rendering algorithms, and has assigned a programmer to replace the old algorithm with the new algorithm. When the programmer begins researching the utility classes, she is happy to discover that the algorithm to be replaced exists in only one class. The programmer reviews that class‘s API, and replaces the old algorithm with the new algorithm, being careful that her changes adhere strictly to the class‘s API. Once testing has begun, the programmer discovers that other classes that use the class she changed are no longer working properly.What design flaw is most likely the cause of these new bugs?（）A.InheritanceB.Tight couplingC.Low cohesionD.High cohesionE.Loose couplingF.Object immutability
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The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?()
A. direct modeB. round robinC. weighted round robinD. No algorithm is used.
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Which RADIUS configuration command implements a primary／backup scenario for multiple servers?()
A.radius algorithm directB.radius algorithm backupC.radius algorithm primaryD.radius algorithm round-robin
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In object-oriented(51), objects can be viewed as reusable components, and once the programmer has developed a(52)of these components, he can(53)the amount of new coding required. But(52)a(54)is no simple task because the integrity of the Original software design is critical. Reusability can be a mixed blessing for user, too, as a programmer has to be able to find the object he needs. But if(55)is your aim, reusability is worth the risk.A．programmingB．creatingC．indisposingD．libraryE．maximize
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What is the function of the CSMA／CD algorithm in Ethernet technologies?()
A. defines how the media is accessedB. supplies a token to determine which host has access to the mediaC. defines the encoding of electrical signals on the wireD. determines the preamble bits
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Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?()
A. show ip protocolB. show ip ospfC. sho w ip ospf databaseD. show ip ospf interface
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The project requires more labor than ________.[A] has been put in[B] have been put in[C] being put in[D] to be put in
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You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types？（）A、%! import java.util.*； %B、%! import java.util.List；import java.util.ArrayList； %C、%@ page import=’java.util.List’import=’java.util.ArrayList’ %D、%@ import types=’java.util.List’types=’java.util.ArrayList’ %E、%@ page import=’java.util.List，java.util.ArrayList’ %F、%@ import types=’java.util.List，java.util.ArrayList’ %
考题
A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0, object), but does NOT need to support quick random access. What supports these requirements?（）A、java.util.QueueB、java.util.ArrayListC、java.util.LinearListD、java.util.LinkedList
考题
Which statements about static inner classes are true？（）A、 A static inner class requires a static initializer.B、 A static inner class requires an instance of the enclosing class.C、 A static inner class has no reference to an instance of the enclosing class.D、 A static inner class has access to the non-static members of the outer class.E、 Static members of a static inner class can be referenced using the class name of the static inner class.
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The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A、direct modeB、round robinC、weighted round robinD、No algorithm is used.
考题
单选题A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add（0，object）， but does NOT need to support quick random access. What supports these requirements？（）A
java.util.QueueB
java.util.ArrayListC
java.util.LinearListD
java.util.LinkedList
考题
单选题A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add（0， object）， but does NOT need to support quick random access. What supports these requirements？（）A
java.util.QueueB
java.util.ArrayListC
java.util.LinearListD
java.util.LinkedList
考题
单选题A company that makes Computer Assisted Design （CAD） software has， within its application， some utilityclasses that are used to perform 3D rendering tasks. The company’s chief scientist has just improved theperformance of one of the utility classes’ key rendering algorithms， and has assigned a programmer toreplace the old algorithm with the new algorithm. When the programmer begins researching the utilityclasses， she is happy to discover that the algorithm to be replaced exists in only one class. The programmer reviews that class’s API， and replaces the old algorithm with the new algorithm， being carefulthat her changes adhere strictly to the class’s API. Once testing has begun， the programmer discovers thatother classes that use the class she changed are no longer working properly. What design flaw is mostlikely the cause of these new bugs？（）A
InheritanceB
Tight couplingC
Low cohesionD
High cohesionE
Loose coupling
考题
单选题What is the function of the CSMA/CD algorithm in Ethernet technologies?（）A
defines how the media is accessedB
supplies a token to determine which host has access to the mediaC
defines the encoding of electrical signals on the wireD
determines the preamble bits
考题
多选题A company has a business application that provides its users with many different reports： receivables reports， payables reports， revenue projects， and so on.The company has just purchased some new， state-of-the-art，wireless printers， and a programmer has been assigned the task of enhancing all of the reports to use not only the company’s old printers， but the new wireless printers as well.When the programmer starts looking into the application， the programmer discovers that because of the design of the application， it is necessary to make changes to each report to support the new printers. Which two design concepts most likely explain the situation？（）AInheritanceBLow cohesionCTight couplingDHigh cohesionELoose couplingFObject immutablility
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多选题A company has a business application that provides its users with many different reports： receivables reports， payables reports， revenue projects， and so on. The company has just purchased somenew， state-of-the-art， wireless printers， and a programmer has been assigned the task of enhancing all ofthe reports to use not only the company’s old printers， but the new wireless printers as well. When the programmer starts looking into the application， the programmer discovers that because of the design of theapplication， it is necessary to make changes to each report to support the new printers. Which two designconcepts most likely explain this situation？ （）AInheritanceBLow cohesionCTight couplingDHigh cohesionELoose couplingFObject immutability
考题
多选题Which statements about static inner classes are true？（）AA static inner class requires a static initializer.BA static inner class requires an instance of the enclosing class.CA static inner class has no reference to an instance of the enclosing class.DA static inner class has access to the non-static members of the outer class.EStatic members of a static inner class can be referenced using the class name of the static inner class.
考题
多选题You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types？（）A%! import java.util.*； %B%! import java.util.List；import java.util.ArrayList； %C%@ page import=’java.util.List’import=’java.util.ArrayList’ %D%@ import types=’java.util.List’types=’java.util.ArrayList’ %E%@ page import=’java.util.List，java.util.ArrayList’ %F%@ import types=’java.util.List，java.util.ArrayList’ %
考题
单选题Which RADIUS configuration command implements a primary/backup scenario for multiple servers?（）A
radius algorithm directB
radius algorithm backupC
radius algorithm primaryD
radius algorithm round-robin
考题
单选题Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?（）A
show ip protocolB
show ip ospfC
sho w ip ospf databaseD
show ip ospf interface
考题
单选题A company that makes Computer Assisted Design (CAD) software has, within its application, some utility classes that are used to perform 3D rendering tasks. The company's chief scientist has just improved the performance of one of the utility classes' key rendering algorithms, and has assigned a programmer to replace the old algorithm with the new algorithm. When the programmer begins researching the utility classes, she is happy to discover that the algorithm to be replaced exists in only one class. The programmer reviews that class's API, and replaces the old algorithm with the new algorithm, being careful that her changes adhere strictly to the class's API. Once testing has begun, the programmer discovers that other classes that use the class she changed are no longer working properly. What design flaw is most likely the cause of these new bugs?（）A
InheritanceB
Tight couplingC
Low cohesionD
High cohesionE
Loose couplingF
Object immutability
考题
单选题The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A
direct modeB
round robinC
weighted round robinD
No algorithm is used.
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