单选题Which is characteristic of the Business Delegate pattern？（）AIt decreases complexity by removing a layer of proxy classes.BIt reduces coupling between tiers by hiding implementation details.CIt decreases performance due to the lack of caching of remote 

题目
单选题
Which is characteristic of the Business Delegate pattern？（）
A

 It decreases complexity by removing a layer of proxy classes.

B

 It reduces coupling between tiers by hiding implementation details.

C

 It decreases performance due to the lack of caching of remote data.

D

 It forces business-tier expectations to be dealt with in the presentation-tier.

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更多“单选题Which is characteristic of the Business Delegate pattern？（）A  It decreases complexity by removing a layer of proxy classes.B  It reduces coupling between tiers by hiding implementation details.C  It decreases performance due to the lack of caching of r”相关问题

  • 第1题：

    Which is characteristic of the Business Delegate pattern？（）

    • A、 It decreases complexity by removing a layer of proxy classes.
    • B、 It reduces coupling between tiers by hiding implementation details.
    • C、 It decreases performance due to the lack of caching of remote data.
    • D、 It forces business-tier expectations to be dealt with in the presentation-tier.

    正确答案:B

  • 第2题：

    According to Ohm’s Law， which of the following is correct？（）

    • A、As voltage increases， resistance decreases
    • B、As amperage decreases， resistance decreases
    • C、As resistance decreases， amperage increases
    • D、As resistance increases， voltage increases

    正确答案:C

  • 第3题：

    A developer is designing a web application which extensively uses EJBs and JMS. The developer finds thatthere is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further，because of the complexity， there are numerous errors in the code. Which J2EE design pattern provides asolution for this problem？（）

    • A、Command
    • B、Transfer Object
    • C、Service Locator
    • D、Session Facade
    • E、Business Delegate

    正确答案:C

  • 第4题：

    Which the two are characteristics of the Service Locator pattern？（）

    • A、 It encapsulates component lookup procedures
    • B、 It increases source code duplication and decreases reuse
    • C、 It improves client performance by caching context and factory objects
    • D、 It degrades network performance due to increased access to distributed lookup services

    正确答案:A,C

  • 第5题：

    Which two are characteristics of the Front Controller pattern？（）

    • A、It simplifies remote interfaces to distributed objects.
    • B、It promotes cleaner application partitioning and encourages reuse.
    • C、It provides an initial point of contact for handling all related requests.
    • D、It reduces maintainability due to the increased complexity of the design.
    • E、It provides loosely coupled handlers that can be combined in various permutations.

    正确答案:B,C

  • 第6题：

    Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）

    • A、 increase the number of checkpoint processes
    • B、 define the POWER option while adding or removing the disks
    • C、 increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
    • D、 increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
    • E、 increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal

    正确答案:B,E

  • 第7题：

    多选题
    Which two are characteristics of the Intercepting Filter pattern？（）
    A

    it provides centralized request handling for incoming requests.

    B

    It forces resource authentication to be distributed across web components.

    C

    It reduces coupling between presentation-tier clients and underlying business services.

    D

    It can be added and removed unobtrusively， without requiring changes to existing  code.

    E

    It allows preprocessing and postprocessing on the incoming requests and outgoing  responses.


    正确答案： C,A
    解析： 暂无解析

  • 第8题：

    单选题
    What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）
    A

    ease of IP address assignment versus use of external routers

    B

    redundancy from trunking between distribution layer switches

    C

    provides first-hop redundancy to clients

    D

    allows inter-VLAN communication without requiring complexity of routing protocols


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    Which two are characteristics of the Transfer Object design pattern？（）
    A

    It reduces network traffic by collapsing multiple remote requests into one.

    B

    It increases the complexity of the remote interface by removing coarse-grained methods.

    C

    It increases the complexity of the design due to remote synchronization and version control issues.

    D

    It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.


    正确答案： C,A
    解析： 暂无解析

  • 第10题：

    单选题
    According to Ohm’s Law， which of the following is correct？（）
    A

    As voltage increases， resistance decreases

    B

    As amperage decreases， resistance decreases

    C

    As resistance decreases， amperage increases

    D

    As resistance increases， voltage increases


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Which is characteristic of the Business Delegate pattern？（）
    A

     It decreases complexity by removing a layer of proxy classes.

    B

     It reduces coupling between tiers by hiding implementation details.

    C

     It decreases performance due to the lack of caching of remote data.

    D

     It forces business-tier expectations to be dealt with in the presentation-tier.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    多选题
    Which two are characteristics of the Front Controller pattern？（）
    A

    It simplifies remote interfaces to distributed objects.

    B

    It promotes cleaner application partitioning and encourages reuse.

    C

    It provides an initial point of contact for handling all related requests.

    D

    It reduces maintainability due to the increased complexity of the design.

    E

    It provides loosely coupled handlers that can be combined in various permutations.


    正确答案： C,B
    解析： 暂无解析

  • 第13题：

    Which two are characteristics of the Service Locator pattern？（）

    • A、It encapsulates component lookup procedures.
    • B、It increases source code duplication and decreases reuse.
    • C、It improves client performance by caching context and factory objects.
    • D、It degrades network performance due to increased access to distributed lookup services.

    正确答案:A,C

  • 第14题：

    Prioritizing traffic between data and voice is defined as which of the following?（）

    • A、Caching engines
    • B、Proxy server
    • C、QoS
    • D、Load balancing

    正确答案:C

  • 第15题：

    Which two are characteristics of the Intercepting Filter pattern？（）

    • A、 it provides centralized request handling for incoming requests.
    • B、 It forces resource authentication to be distributed across web components.
    • C、 It reduces coupling between presentation-tier clients and underlying business services.
    • D、 It can be added and removed unobtrusively， without requiring changes to existing  code.
    • E、 It allows preprocessing and postprocessing on the incoming requests and outgoing  responses.

    正确答案:D,E

  • 第16题：

    A developer is designing the presentation tier for a web application which requires a centralized requesthandling to complete common processing required by each request. Which design pattern provides asolution to this problem？（）

    • A、Remote Proxy
    • B、Front Controller
    • C、Service Activator
    • D、Intercepting Filter
    • E、Business Delegate

    正确答案:B

  • 第17题：

    Which two are characteristics of the Transfer Object design pattern？（）

    • A、It reduces network traffic by collapsing multiple remote requests into one.
    • B、It increases the complexity of the remote interface by removing coarse-grained methods.
    • C、It increases the complexity of the design due to remote synchronization and version control issues.
    • D、It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.

    正确答案:A,C

  • 第18题：

    单选题
    A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.
    A

    vessel's horsepower

    B

    sea state

    C

    number of propellers

    D

    vessel's displacement


    正确答案： B
    解析： 暂无解析

  • 第19题：

    多选题
    Which the two are characteristics of the Service Locator pattern？（）
    A

    It encapsulates component lookup procedures

    B

    It increases source code duplication and decreases reuse

    C

    It improves client performance by caching context and factory objects

    D

    It degrades network performance due to increased access to distributed lookup services


    正确答案： C,A
    解析： 暂无解析

  • 第20题：

    单选题
    A developer is designing a web application which extensively uses EJBs and JMS. The developer finds thatthere is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further，because of the complexity， there are numerous errors in the code. Which J2EE design pattern provides asolution for this problem？（）
    A

    Command

    B

    Transfer Object

    C

    Service Locator

    D

    Session Facade

    E

    Business Delegate


    正确答案： C
    解析： 暂无解析

  • 第21题：

    多选题
    Which two are characteristics of the Service Locator pattern？（）
    A

    It encapsulates component lookup procedures.

    B

    It increases source code duplication and decreases reuse.

    C

    It improves client performance by caching context and factory objects.

    D

    It degrades network performance due to increased access to distributed lookup services.


    正确答案： B,D
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following best describes the thermodynamic effect on the pressure and volume relationship with regards to saturated gases?（）
    A

    As pressure decreases, volume increases

    B

    As volume increases, pressure increases

    C

    As volume decreases, pressure decreases

    D

    As pressure increases, volume increases


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    A large check processing company is quite impressed with the ingestion performance of a VTL. After calculating their nightly backup requirements it was determined that the restore performance of the VTL was significantly less than the backup performance. Which of the following business requirements should the customer revisit to ensure a successful implementation?（）
    A

    RPO

    B

    RTO

    C

    backup window

    D

    deduplication ratio


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    A Company.com developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， because the business and resource tiers are distributed， the application needs to minimize the inter-tier network traffic related to servicing client requests.  Which design patterns， working together， address these issues？（）
    A

     Front Controller and Transfer Object

    B

     Front Controller and Service Locator

    C

     Business Delegate and Transfer Object

    D

     Business delegate and Intercepting Filter

    E

     Model-View-Controller and Intercepting Filter


    正确答案： E
    解析： 暂无解析

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