参考答案和解析
正确答案: C,D
解析: 暂无解析
更多“多选题Select valid identifier of Java: ()AuserNameB%passwdC3d_gameD$chargeEthis”相关问题
  • 第1题:

    Select two valid administratively scoped multicast addresses in networks running Interior Gatewayprotocols like EIGRP and OSPF?()

    • A、239.0.0.1
    • B、239.255.255.255
    • C、224.0.0.10
    • D、224.0.0.5

    正确答案:A,B

  • 第2题:

    Which modifiers and return types would be valid in the declaration of a working main() method for a Java standalone application?()  

    • A、private
    • B、final
    • C、static
    • D、int
    • E、abstract

    正确答案:B,C

  • 第3题:

    Which of the following are valid program types for a lightweight job?()

    • A、PLSQL_BLOCK PLSQL
    • B、EXECUTABLE
    • C、JAVA_STORED_PROCEDURE
    • D、STORED_PROCEDURE
    • E、EXTERNAL

    正确答案:A,D

  • 第4题:

    Select valid identifier of Java: ()

    • A、userName
    • B、%passwd
    • C、3d_game
    • D、$charge
    • E、this

    正确答案:A,D

  • 第5题:

    Which is a valid identifier?() 

    • A、 false
    • B、 default
    • C、 _object
    • D、 a-class

    正确答案:C

  • 第6题:

    Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object?()

    • A、PLSQL_BLOCK
    • B、JAVA_STORED_PROCEDURE
    • C、STORED_PROCEDURE
    • D、EXECUTABLE
    • E、None of the above are invalid settings.

    正确答案:B

  • 第7题:

    You work as an application developer at Certkiller .com. Certkiller .com has been contracted to develop an application for the local bank.You have been given the responsibility of creating this application and need to store each transaction record, which is identified using a complex transaction identifier,in memory. The bank informs you that the total amount of transaction records could reach 200 per day. To achieve this, you decide to utilize one of the existing collection classes in the .NET 2.0 class library. You need to ensure that you the collection class you select is the most efficient one for storing transaction records.What should you do?()

    • A、 Select the ListDictionary collection class.
    • B、 Select the HashTable collection class.
    • C、 Select the Queue collection class.
    • D、 Select the StringCollection collection class.

    正确答案:B

  • 第8题:

    多选题
    Which modifiers and return types would be valid in the declaration of a working main() method for a Java standalone application?()
    A

    private

    B

    final

    C

    static

    D

    int

    E

    abstract


    正确答案: A,B
    解析: 暂无解析

  • 第9题:

    多选题
    You want to create a valid directory structure for your Java EE web application, and you want to put yourweb application into a WAR file called MyApp.war. Which two are true about the WAR file?()
    A

    At deploy time, Java EE containers add a directory called META-INF directly into the MyApp directory.

    B

    At deploy time, Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.

    C

    It can instruct your Java EE container to verify, at deploy time, whether you have properly configured your application’s classes.

    D

    At deploy time, Java EE containers add a directory call META-WAR directly into the MyApp directory.


    正确答案: A,C
    解析: 暂无解析

  • 第10题:

    单选题
    Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware:()
    A

     adding hardware may exacerbate inefficiency, which can lead to over provisioning and lower utilization

    B

     performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memory

    C

     both A and B are valid

    D

     neither A nor B are valid


    正确答案: C
    解析: 暂无解析

  • 第11题:

    多选题
    Select two valid administratively scoped multicast addresses in networks running Interior Gatewayprotocols like EIGRP and OSPF?()
    A

    239.0.0.1

    B

    239.255.255.255

    C

    224.0.0.10

    D

    224.0.0.5


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    单选题
    What does a BGP route reflector do when reflecting a route?()
    A

    It prepends its cluster identifier to the route's cluster list.

    B

    It prepends its own originator identifier to the route's cluster list.

    C

    It replaces the route's cluster identifier with its own cluster identifier.

    D

    It replaces the route's originator identifier with its originator identifier.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Select the three valid LMI extension.()

    • A、Multicasting
    • B、Global addressing
    • C、Forward-explicit congestion notification (FECN)
    • D、Virtual circuit status messages.
    • E、Backward-explicit congestion notification (BECN)

    正确答案:A,B,D

  • 第14题:

    Which of the following are valid program types for a lightweight job?()

    • A、 PLSQL_BLOCK
    • B、 EXECUTABLE
    • C、 JAVA_STORED_PROCEDURE
    • D、 STORED_PROCEDURE
    • E、 EXTERNAL

    正确答案:A,D

  • 第15题:

    What does a BGP route reflector do when reflecting a route?()

    • A、It prepends its cluster identifier to the route's cluster list.
    • B、It prepends its own originator identifier to the route's cluster list.
    • C、It replaces the route's cluster identifier with its own cluster identifier.
    • D、It replaces the route's originator identifier with its originator identifier.

    正确答案:A

  • 第16题:

    Application Control Engine (ACE) can check the health of servers and server farms by configuring health probes (which are sometimes referred to as keepalives). A probe can be one of many types. Which are valid ACE probes? ()

    • A、 HTTP
    • B、 Java scripting
    • C、 TCL scripting
    • D、 RADIUS
    • E、 TACACS

    正确答案:A,C,D

  • 第17题:

    You want to create a valid directory structure for your Java EE web application, and you want to put yourweb application into a WAR file called MyApp.war. Which two are true about the WAR file?()

    • A、At deploy time, Java EE containers add a directory called META-INF directly into the MyApp directory.
    • B、At deploy time, Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.
    • C、It can instruct your Java EE container to verify, at deploy time, whether you have properly configured your application’s classes.
    • D、At deploy time, Java EE containers add a directory call META-WAR directly into the MyApp directory.

    正确答案:A,C

  • 第18题:

    Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware:()

    • A、 adding hardware may exacerbate inefficiency, which can lead to over provisioning and lower utilization
    • B、 performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memory
    • C、 both A and B are valid
    • D、 neither A nor B are valid

    正确答案:C

  • 第19题:

    单选题
    Which of the following is the correct format for /etc/inittab entries()
    A

    Runlevel:Action:Identifier:Command

    B

    Identifier:Runlevel:Action:Command

    C

    Command:Action:Identifier:Process

    D

    Process:Runlevel:Command:Identifier


    正确答案: A
    解析: 暂无解析

  • 第20题:

    多选题
    Select the three valid LMI extension.()
    A

    Multicasting

    B

    Global addressing

    C

    Forward-explicit congestion notification (FECN)

    D

    Virtual circuit status messages.

    E

    Backward-explicit congestion notification (BECN)


    正确答案: B,C
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements are true about the security-related tags in a valid Java EE deployment descriptor?()
    A

    Every  tag must have at least one  tag.

    B

    A  tag can have many  tags.

    C

    A given  tag can apply to only one  tag.

    D

    A given  tag can contain from zero to many  tags.

    E

    It is possible to construct a valid  tag such that,for a given resource,no user rolescan access that resource.


    正确答案: D,A
    解析: 暂无解析

  • 第22题:

    多选题
    Select valid identifier of Java: ()
    A

    userName

    B

    %passwd

    C

    3d_game

    D

    $charge

    E

    this


    正确答案: B,C
    解析: 暂无解析

  • 第23题:

    单选题
    Which is a valid identifier?()
    A

     false

    B

     default

    C

     _object

    D

     a-class


    正确答案: C
    解析: 暂无解析

  • 第24题:

    多选题
    Given that c is a reference to a valid java.io.Console object,which two code fragments read a line of textfrom the console?()
    A

    String s = c.readLine();

    B

    char[] c = c.readLine();

    C

    String s = c.readConsole();

    D

    char[] c = c.readConsole();

    E

    String s = c.readLine(%s, name );


    正确答案: B,D
    解析: 暂无解析