●A (74)is aformal set ofrules for specifying the format and relationship when exchanging data among communicating devices.(74)A. protocolB.languageC.programD.command

题目

●A (74)is aformal set ofrules for specifying the format and relationship when exchanging data among communicating devices.

(74)

A. protocol

B.language

C.program

D.command

相似考题

1.● (74) is a contiguous，numbered set of variables of a given base type，which can be used and passed to functions as a unit.(74) A．RecordB．ArrayC．ParameterD．File

2.The presentation layer is concerned with the(71) and semantics of the information exchanged between two systems．The processes in two systems are usually exchanging information in the form. of character (72) numbers, and so on．The information should be changed to bit (73) before being transmitted．Because different computers use different encoding systems, the presentation layer is responsible for (74) between these different encoding methods．The presentation layer at the sender changes the information from its sender-dependent format into a common format． The presentation layer at the receiving machine changes the common format into its (75) dependent format．(71)A.frequencyB.syntaxC.dialogD.format(72)A.numbersB.unctionsC.stringsD.codes(73)A.systemsB.charactersC.layersD. streams(74)A.capabilityB.interoperabilityC.reliabilityD.dependability(75)A.receiverB.userC.serverD. customer

3.Which of the following will allow a technician to extend a partition?()A. Set the drive up as basicB. Format the drive to FAT32C. Install a second hard driveD. Set the drive as dynamic

4.How to set many-to-many relationship in Hibernate?

参考答案和解析
正确答案：A
更多“●A (74)is aformal set ofrules for specifying the format and relationship when exchanging d ”相关问题

  • 第1题：

    A communcitions protocal is a set of（）for exchanging information over a network.

    A．machine B．software C．rules D．hardware


    正确答案： C

  • 第2题：

    Which of the following are properties that can be set for Custom Controls？（）

    • A、Specifying validation
    • B、Configuring data sources
    • C、Your own custom properties
    • D、All of the above

    正确答案:D

  • 第3题：

    In your Cisco EIGRP network，you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）

    • A、An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
    • B、The ARP cache was cleared.
    • C、The counters were cleared.
    • D、The IP EIGRP neighbor relationship was cleared manually.

    正确答案:A,D

  • 第4题：

    tommy has created a sales view in his sales.nsf database. Tommy wants negative numbers in the sales number column in the view parenthesis. which one of the following should tommy do?（）

    • A、select the parenthesis when negative value in the view properties box 
    • B、select the parenthesis when negative value in the column properties box 
    • C、use the @function @negative to set this in the column formula in the view 
    • D、use a formula to format the value in the field on the form that will be displaying in the view

    正确答案:B

  • 第5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6题：

    You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting？ （）

    • A、 DATE
    • B、 TIMESTAMP
    • C、 INTERVAL YEAR TO MONTH
    • D、 INTERVAL DAY TO SECOND
    • E、 TIMESTAMP WITH LOCAL TIME ZONE

    正确答案:B,E

  • 第7题：

    When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON， RMAN automatically performs a control file autobackup in which three situations？（）

    • A、At the end of every RUN block. 
    • B、After every SET CONTROLFILE AUTOBACKUP FORMAT command. 
    • C、After every BACKUP or COPY command issued at the RMAN prompt. 
    • D、At the end of every RUN block if the last command in the block was either BACKUP or COPY. 
    • E、Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY. 
    • F、After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.

    正确答案:C,D,E

  • 第8题：

    多选题
    When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON， RMAN automatically performs a control file autobackup in which three situations？（）
    A

    At the end of every RUN block.

    B

    After every SET CONTROLFILE AUTOBACKUP FORMAT command.

    C

    After every BACKUP or COPY command issued at the RMAN prompt.

    D

    At the end of every RUN block if the last command in the block was either BACKUP or COPY.

    E

    Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY.

    F

    After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.


    正确答案： D,C
    解析： 暂无解析

  • 第9题：

    单选题
    74  A  raised         B  closed         C  set up          D  accepted
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： C
    解析：

  • 第10题：

    单选题
    When there are cordial relations between the two countries, we mean there exists a ______ relationship between them.
    A

    friendly

    B

    hostile

    C

    fertile

    D

    complicated


    正确答案： A
    解析：
    句意：当两国之间的关系十分亲切的时候，我们就说它们之间存在着非常友好的关系。friendly友好的。hostile有敌意的。fertile肥沃的，富饶的。complicated复杂的。

  • 第11题：

    单选题
    When creating a class that associates a set of keys with a set of values， which of these interfaces is most applicable？（）
    A

    Collection

    B

    Set

    C

    SortedSet

    D

    Map


    正确答案： D
    解析： 暂无解析

  • 第12题：

    多选题
    Which three are DATETIME data types that can be used when specifying column definitions?（）
    A

    TIMESTAMP

    B

    INTERVAL MONTH TO DAY

    C

    INTERVAL DAY TO SECOND

    D

    INTERVAL YEAR TO MONTH

    E

    TIMESTAMP WITH DATABASE TIMEZONE


    正确答案： E,B
    解析： 暂无解析

  • 第13题：

    The entity-relationship（E-R）data model is based on a perception of a real world that consists of a clletion of basic objects,called（ ），and of relationships among these objects.An entity is a“thing”or"object"in the real world that is distinguishable from other objects.Entities are described in a database by asetof（ ）:A relationship isan association among several entities.The set of all entities of the same type and the set of all relationships of the ametype are termed an entity sct and relationship set,respectively.The overall logical structure（schema）of a database can be expressed graphically by an E-R diagram,which is built up from the fllowing components:（ ）represent entity set,（ ）represent atributes,ete.In addition to entities and relations,the E-R model represents certain（请作答此空）to which thecontents of a database must conform.The entity-relationship model is widely used in database design.

    A.things
    B.objects
    C.conditions
    D.constrains

    答案：D
    解析：

  • 第14题：

    When exporting metadata for the transportable tablespaces， what is the correct next step after confirming endian format？（）

    • A、 Export the tablespaces using data pump.
    • B、 Determine if the transportable set is self-contained.
    • C、 Convert the datafiles using RMAN.
    • D、 Copy the datafiles from source to destination.

    正确答案:B

  • 第15题：

    Which of the following will allow a technician to extend a partition?（）

    • A、Set the drive up as basic
    • B、Format the drive to FAT32
    • C、Install a second hard drive
    • D、Set the drive as dynamic

    正确答案:D

  • 第16题：

    A customer wants to configure two resource groups and create the following shared filesystem structure：Resource GroupFilsystem Mount Point Rg1/app1 Rg2/app1/data Which of the following will ensure the proper mount order for these filesystems？（）

    • A、Set filesystem recovery method to parallel
    • B、Set filesystem recovery method to sequential
    • C、Set filesystem recovery method to parallel and configure a parent/child relationship for the resourcegroups
    • D、Set filesystem recovery method to sequential and configure a parent/child relationship for the resourcegroups

    正确答案:D

  • 第17题：

    You have a master-detail relationship in the EMPLOYEE form module. You set the Delete Record Behavior property to Cascading. When a user deletes a master record, how does Forms implement the cascade-delete foreign-key rule? （）

    • A、With a Pre-Delete trigger. 
    • B、With an On-Delete trigger. 
    • C、With a Post-Delete trigger. 
    • D、With the On-Check-Delete-Master trigger.

    正确答案:A

  • 第18题：

    Which three are DATETIME data types that can be used when specifying column definitions? （）

    • A、TIMESTAMP
    • B、INTERVAL MONTH TO DAY
    • C、INTERVAL DAY TO SECOND
    • D、INTERVAL YEAR TO MONTH
    • E、TIMESTAMP WITH DATABASE TIMEZONE

    正确答案:A,C,D

  • 第19题：

    You are creating a Windows application for graphical image processing by using the .NET Framework 3.5. You create an image processing function and a delegate.You plan to invoke the image processing function by using the delegate.You need to ensure that the calling thread meets the following requirements：  （1）It is not blocked when the delegate is running   （2）It is notified when the delegate is complete What should you do？（）

    • A、Call the Invoke method of the delegate.
    • B、Call the BeginInvoke and EndInvoke methods of the delegate in the calling thread.
    • C、Call the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method in the callback method.
    • D、Call the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method of the delegate in the calling thread.

    正确答案:C

  • 第20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： B,A
    解析： 暂无解析

  • 第21题：

    多选题
    You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting？ （）
    A

    DATE

    B

    TIMESTAMP

    C

    INTERVAL YEAR TO MONTH

    D

    INTERVAL DAY TO SECOND

    E

    TIMESTAMP WITH LOCAL TIME ZONE


    正确答案： E,A
    解析： 暂无解析

  • 第22题：

    单选题
    tommy has created a sales view in his sales.nsf database. Tommy wants negative numbers in the sales number column in the view parenthesis. which one of the following should tommy do?（）
    A

    select the parenthesis when negative value in the view properties box 

    B

    select the parenthesis when negative value in the column properties box 

    C

    use the @function @negative to set this in the column formula in the view 

    D

    use a formula to format the value in the field on the form that will be displaying in the view


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    When exporting metadata for the transportable tablespaces， what is the correct next step after confirming endian format？（）
    A

     Export the tablespaces using data pump.

    B

     Determine if the transportable set is self-contained.

    C

     Convert the datafiles using RMAN.

    D

     Copy the datafiles from source to destination.


    正确答案： B
    解析： 暂无解析

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