Which keyword can protect a class in a package from accessibility by the classes outside the package（）。A、privateB、protectedC、finalD、don’t use any keyword at all （make it default）

题目

Which keyword can protect a class in a package from accessibility by the classes outside the package（）。

  • A、private
  • B、protected
  • C、final
  • D、don’t use any keyword at all （make it default）
相似考题

1.Volatile:a) What does the keyword volatile mean? Give an exampleb) Can a parameter be both const and volatile? Give an examplec) Can a pointer be volatile? Give an example

2.Keyword and blacklist filtering would be handled at which level in a network?()A. Layer 2 managed switchB. DHCP serverC. Hardware firewallD. Bridge

3.Which statements concerning the switch construct are true？（）  A、All switch statements must have a default label.B、There must be exactly one label for each code segment in a switch statement.C、The keyword continue can never occur within the body of a switch statement.D、No case label may follow a default label within a single switch statement.E、A character literal can be used as a value for a case label.

4.Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?()A. help topicB. help referenceC. help aproposD. help tip

更多“Which keyword can protect a clas”相关问题

  • 第1题：

    （）are the three different coatings which can protect metal from corrosion.

    • A、Cement wash, bitumen and paint
    • B、Metal primers, undercoats and topcoats
    • C、Varnishes, heat-resistant paints and anti-fouling paints
    • D、Cement wash, primer and undercoat

    正确答案:A

  • 第2题：

    Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（）

    • A、It can be used to block bulk encryption attacks
    • B、It can be used to protect against denial of service attacks
    • C、Traffic originating from the router is considered trusted， so it is not inspected
    • D、Based upon the custom firewall rules， an ACL entry is statically created and added to theexisting ACL permanently
    • E、Temporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication session

    正确答案:B,E

  • 第3题：

    Which smb.conf configuration keyword determines the hostname resolution order？（）

    • A、 use ads
    • B、 name resolve order
    • C、 use nsswitch.conf
    • D、 use resolv.conf

    正确答案:B

  • 第4题：

    It is desirable that a certain method within a certain class can only be accessed by classes that are defined within the same package as the class of the method. How can such restrictions be enforced？（）  

    • A、Mark the method with the keyword public.
    • B、Mark the method with the keyword protected.
    • C、Mark the method with the keyword private.
    • D、Mark the method with the keyword package.
    • E、Do not mark the method with any accessibility modifiers.

    正确答案:E

  • 第5题：

    Which statement is true regarding remote archive log file destinations？（）

    • A、Only two destinations per remote database can be specified.
    • B、Destination is an Oracle Net alias specified by using the SERVICE keyword.
    • C、The REOPEN attribute must be used when using remote archive log file destinations.
    • D、The service name is resolved by searching sqlnet.ora file for the remote database name.

    正确答案:B

  • 第6题：

    多选题
    Click the Exhibit button. In the exhibit，the protect-re filter is applied as an input filter on the lo0.0 interface and all possible services are enabled under [edit system services].  Which two methods can you use to access the router？（）
    A

    FTP

    B

    SSH

    C

    Telnet

    D

    J-Web


    正确答案： B,D
    解析： 暂无解析

  • 第7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： D,A
    解析： 暂无解析

  • 第8题：

    多选题
    Which two statements are true regarding views?（）
    A

    A subquery that defines a view cannot include the GROUP BY clause

    B

    A view that is created with the subquery having the DISTINCT keyword can be updated

    C

    A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated

    D

    A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table


    正确答案： A,B
    解析： 暂无解析

  • 第9题：

    单选题
    Which keyword can protect a class in a package from accessibility by the classes outside the package（）。
    A

    private

    B

    protected

    C

    final

    D

    don’t use any keyword at all （make it default）


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?（）
    A

    help topic

    B

    help reference

    C

    help apropos

    D

    help tip


    正确答案： B
    解析： 暂无解析

  • 第11题：

    填空题
    Saving energy can help protect the environment.____

    正确答案： I
    解析：
    由题目中的“Saving energy”定位到I段。文中讲到，节省能源可以省钱，对我们的星球和居住在上面的人都有好处，故匹配段落为I段。

  • 第12题：

    单选题
    Keyword and blacklist filtering would be handled at which level in a network?（）
    A

    Layer 2 managed switch

    B

    DHCP server

    C

    Hardware firewall

    D

    Bridge


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which Cisco product family can simultaneously implement firewall, VPN, content security, network access control, virtualization, anD content filtering?（）

    • A、catalyst switches
    • B、adaptive security appliances
    • C、intrusion prevention systems
    • D、protect link gateway

    正确答案:B

  • 第14题：

    Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?（）

    • A、paths
    • B、accepted-routes
    • C、advertised-routes
    • D、routes

    正确答案:D

  • 第15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16题：

    Which two statements are true regarding views?（）

    • A、A subquery that defines a view cannot include the GROUP BY clause 
    • B、A view that is created with the subquery having the DISTINCT keyword can be updated 
    • C、A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated 
    • D、A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

    正确答案:C,D

  • 第17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18题：

    多选题
    Which two security mechanisms protect the response stream？（）
    A

    authorization

    B

    data integrity

    C

    confidentiality

    D

    authentication


    正确答案： D,A
    解析： 暂无解析

  • 第19题：

    单选题
    It is desirable that a certain method within a certain class can only be accessed by classes that are defined within the same package as the class of the method. How can such restrictions be enforced？（）
    A

    Mark the method with the keyword public.

    B

    Mark the method with the keyword protected.

    C

    Mark the method with the keyword private.

    D

    Mark the method with the keyword package.

    E

    Do not mark the method with any accessibility modifiers.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?（）
    A

    transaction

    B

    icmp

    C

    discovery

    D

    nd


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Which statements concerning the switch construct are true？（）
    A

    All switch statements must have a default label.

    B

    There must be exactly one label for each code segment in a switch statement.

    C

    The keyword continue can never occur within the body of a switch statement.

    D

    No case label may follow a default label within a single switch statement.

    E

    A character literal can be used as a value for a case label.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?（）
    A

    paths

    B

    accepted-routes

    C

    advertised-routes

    D

    routes


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Where do you configure SCREEN options？（）
    A

    zones on which an attack might arrive

    B

    zones you want to protect from attack

    C

    interfaces on which an attack might arrive

    D

    interfaces you want to protect from attack


    正确答案： C
    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： D,A
    解析： 暂无解析

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