多选题Which four statements are true？（）AHas-a relationships should never be encapsulated.BHas-a relationships should be implemented using inheritance.CHas-a relationships can be implemented using instance variables.DIs-a relationships can be implemented usin

题目
多选题
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.

相似考题

1.Relationships and friendships can()gangs.A. results inB. lead toC. arrive at

2.How are RIP routing contexts implemented in MPLS VPN? ()A. RIP does not support routing contextsB. routing contexts are implemented in a single routing processC. routing contexts are implemented using multiple routing processesD. routing contexts are implemented as several instances of a single routing processE. routing contexts are implemented as a single instance of several routing processes

3.Which two statements are true about IBGP neighbor relationships?()A. The BGP split - horizon rule specifies that routes learned via EBGP are never propagated to other IBGP peers.B. The BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP peers.C. A full - mesh IBGP requires that neighbor relationships be established between a ll BGP enabled routers in the autonomous system.D. IBGP neighbors must be in different autonomous systems.E. An EGP or static routing is required between IBGP neighbors.

4.Which of the following is NOT true about XML columns?()A.Data can be retrieved by SQL.B.Data can be retrieved by XQuery.C.XML columns must be altered to accommodate additional parent and child relationships.D.Access to any portion of an XML document can be direct, without reading the whole document.

参考答案和解析
正确答案： E,D
解析： 暂无解析
更多“多选题Which four statements are true？（）AHas-a relationships should never be encapsulated.BHas-a relationships should be implemented using inheritance.CHas-a relationships can be implemented using instance variables.DIs-a relationships can be implemented usin”相关问题

  • 第1题：

    Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）  

    • A、Member variables of the outer instance are always accessible to inner instances， regardless of their      accessibility modifiers.
    • B、Member variables of the outer instance can never be referred to using only the variable name within     the inner instance.
    • C、More than one inner instance can be associated with the same outer instance.
    • D、All variables from the outer instance that should be accessible in the inner instance must be declared     final.
    • E、A class that is declared final cannot have any inner classes.

    正确答案:A,C

  • 第2题：

    When should traffic shaping be implemented on Frame Relay PVCs？（）

    • A、When you want to drop excess traffic above the CIR
    • B、When there is a speed mismatch between the central site and the remote site
    • C、When using Frame Relay SVCs
    • D、When over-subscribing the central site link
    • E、When LLQ is implemented on the Frame Relay PVC
    • F、When Multilink PPP LFI is implemented on the Frame Relay PVC

    正确答案:B,D

  • 第3题：

    Which of the following is NOT true about XML columns?（）

    • A、Data can be retrieved by SQL.
    • B、Data can be retrieved by XQuery.
    • C、XML columns must be altered to accommodate additional parent and child relationships.
    • D、Access to any portion of an XML document can be direct, without reading the whole document.

    正确答案:C

  • 第4题：

    How are RIP routing contexts implemented in MPLS VPN? （）

    • A、RIP does not support routing contexts
    • B、routing contexts are implemented in a single routing process
    • C、routing contexts are implemented using multiple routing processes
    • D、routing contexts are implemented as several instances of a single routing process
    • E、routing contexts are implemented as a single instance of several routing processes

    正确答案:D

  • 第5题：

    What is the biggest advantage of using Web services to create SOA solutions？（）

    • A、 They are implemented using Java and XML
    • B、 They support a client-server programming model
    • C、 They are used to create tightly coupled applications
    • D、 They are implemented using standardized technologies

    正确答案:D

  • 第6题：

    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.

    正确答案:C,D,E,F

  • 第7题：

    Which two statements are true about Block Media Recovery （BMR）？（）

    • A、 BMR increases the Mean Time To Recover （MTTR）.
    • B、 BMR can only be implemented using Recovery Manager （RMAN）.
    • C、 The blocks that need to be recovered are accessible during BMR.
    • D、 BMR cannot be performed using cumulative incremental backups.
    • E、 The datafile must be restored if most of the blocks in the datafile are corrupt.

    正确答案:B,D

  • 第8题：

    多选题
    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.


    正确答案： C,D
    解析： 暂无解析

  • 第9题：

    多选题
    Which two are true about has-a and is-a relationships？（）
    A

    Inheritance represents an is-a relationship.

    B

    Inheritance represents a has-a relationship.

    C

    Interfaces must be used when creating a has-a relationship.

    D

    Instance variables can be used when creating a has-a relationship.


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements are true about Block Media Recovery （BMR）？（）
    A

    BMR increases the Mean Time To Recover （MTTR）.

    B

    BMR can only be implemented using Recovery Manager （RMAN）.

    C

    The blocks that need to be recovered are accessible during BMR.

    D

    BMR cannot be performed using cumulative incremental backups.

    E

    The datafile must be restored if most of the blocks in the datafile are corrupt.


    正确答案： D,E
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true about IBGP neighbor relationships?（）
    A

    The BGP split - horizon rule specifies that routes learned via EBGP are never propagated to other IBGP peers.

    B

    The BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP peers.

    C

    A full - mesh IBGP requires that neighbor relationships be established between a ll BGP enabled routers in the autonomous system.

    D

    IBGP neighbors must be in different autonomous systems.

    E

    An EGP or static routing is required between IBGP neighbors.


    正确答案： B,A
    解析： 暂无解析

  • 第12题：

    多选题
    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.


    正确答案： F,C
    解析： 暂无解析

  • 第13题：

    What is true about the Cisco SBR methodology?（）

    • A、provides an opportunity to build short-term consultative relationships with customers
    • B、provides an opportunity to build long-term consultative relationships with customers
    • C、provides an opportunity to build consultative relationships with customers
    • D、provides an opportunity to sell more products

    正确答案:B

  • 第14题：

    Compare the features of the Cisco PIN architecture and Cisco validated Designs. Which two of the following statements are making sense?（） (Choose two.)

    • A、Cisco validated Designs can be implemented quickly without customer input.
    • B、Cisco is focusing on the PIN architecture as a means to driving integrated networks.
    • C、The Cisco PIN architecture is a critical mechanism for supporting integrated markets because it can be implemented quickly.
    • D、The Cisco validated Designs program provides critical mechanisms for supporting integrated markets because the mechanisms can be implemented quickly.

    正确答案:B,D

  • 第15题：

    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.

    正确答案:B,D,E,F

  • 第16题：

    An ISP is running a large IBPG network with 25 routers. The full mesh topology that is currently inplace is inefficiently using up bandwidth from all of the BGP traffic. What can the administratorconfigure to reduce the number of BGP neighbor relationships within the AS？（）

    • A、Route reflectors
    • B、Route maps
    • C、Route redistribution
    • D、Peer groups
    • E、Aggregate addresses

    正确答案:A

  • 第17题：

    The TSO FCQUERY command displays available information about FlashCopy and other CopyServices relationships active on volumes. Which FlashCopy state should a volume be in todisplay the number of active FlashCopy relationships?（）

    • A、Target and Primary
    • B、Source or Target
    • C、Target or Secondary
    • D、Source and Secondary

    正确答案:B

  • 第18题：

    Which two are true about has-a and is-a relationships？（）

    • A、 Inheritance represents an is-a relationship.
    • B、 Inheritance represents a has-a relationship.
    • C、 Interfaces must be used when creating a has-a relationship.
    • D、 Instance variables can be used when creating a has-a relationship.

    正确答案:A,D

  • 第19题：

    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.

    正确答案:C,D,E,F

  • 第20题：

    多选题
    Compare the features of the Cisco PIN architecture and Cisco validated Designs. Which two of the following statements are making sense?（） (Choose two.)
    A

    Cisco validated Designs can be implemented quickly without customer input.

    B

    Cisco is focusing on the PIN architecture as a means to driving integrated networks.

    C

    The Cisco PIN architecture is a critical mechanism for supporting integrated markets because it can be implemented quickly.

    D

    The Cisco validated Designs program provides critical mechanisms for supporting integrated markets because the mechanisms can be implemented quickly.


    正确答案： B,A
    解析： 暂无解析

  • 第21题：

    多选题
    Which two statements are true regarding the USING and ON clauses in table joins?（）
    A

    Both USING and ON clauses can be used for equijoins and nonequijoins

    B

    Amaximum of one pair of columns can be joined between two tables using the ON clause

    C

    The ON clause can be used to join tables on columns that have different names but compatible data types

    D

    The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause


    正确答案： A,C
    解析： 暂无解析

  • 第22题：

    多选题
    Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）
    A

    Member variables of the outer instance are always accessible to inner instances， regardless of their      accessibility modifiers.

    B

    Member variables of the outer instance can never be referred to using only the variable name within     the inner instance.

    C

    More than one inner instance can be associated with the same outer instance.

    D

    All variables from the outer instance that should be accessible in the inner instance must be declared     final.

    E

    A class that is declared final cannot have any inner classes.


    正确答案： C,B
    解析： 暂无解析

  • 第23题：

    多选题
    When should traffic shaping be implemented on Frame Relay PVCs？（）
    A

    When you want to drop excess traffic above the CIR

    B

    When there is a speed mismatch between the central site and the remote site

    C

    When using Frame Relay SVCs

    D

    When over-subscribing the central site link

    E

    When LLQ is implemented on the Frame Relay PVC

    F

    When Multilink PPP LFI is implemented on the Frame Relay PVC


    正确答案： D,F
    解析： 暂无解析

  • 第24题：

    多选题
    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.


    正确答案： F,A
    解析： 暂无解析

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