You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）   A、 Java.util.MapB、 Java.util.SetC、 Java.util.ListD、 Java.util.StoredSetE、 Java.util.StoredMapF、 Java.util.Collectio

题目

You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）   

  • A、 Java.util.Map
  • B、 Java.util.Set
  • C、 Java.util.List
  • D、 Java.util.StoredSet
  • E、 Java.util.StoredMap
  • F、 Java.util.Collection
相似考题

1.Which two are functions of Oracle Workflow Directory Service? ()(Choose two.)A. manage workflow notificationsB. provide information about rolesC. store performer and roles relationshipsD. manage workflow session connection

2. You are designing a plan for migrating Virtual Hard Disks （VHDs） and video files to Windows Azure Storage.  The VHDs must be optimized for random read/write operation. The video files must be optimized for sequential access.  You need to recommend storage types for storing the VHDs and video files.   Which two storage types should you recommend？（）A、 Store VHDs in Windows Azure page blob storage.B、 Store VHDs in Windows Azure block blob storage.C、 Store video files in Windows Azure page blob storage.D、 Store video files in Windows Azure block blob storage

3.You work as an application developer at Certkiller .com. Certkiller .com has been hired by a small local private school to develop a class library that will be used in an application named ManageAttendance for the purpose of managing student records.You are responsible for developing this class library. Certkiller .com has instructed you to create a collection in the application to store learners’ results. The school has informed you that they currently only have seven learners， but that this value will triple in the following year. Due to the limited resources， you need to ensure that the collection you create consumes a minimum amount of resources. What should you use to create the collection？（）A、 The HybridDictionary collection class.B、 The HashTable collection class.C、 The ListDictionary collection class.D、 The StringCollection collection class.

4.You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）  A、Java.util.Map.B、Java.util.Set.C、Java.util.List.D、Java.util.StoredSet.E、Java.util.StoredMap.F、Java.util.Collection.

参考答案和解析
正确答案:B,D
更多“You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）   A、 Java.util.MapB、 Java.util.SetC、 Java.util.ListD、 Java.util.StoredSetE、 Java.util.StoredMapF、 Java.util.Collectio”相关问题

  • 第1题：

    Your company has a Microsoft Hyper-V Server 2008 R2 environment. You need to manually back up a child partition while it is turned off. Which two elements should you back up？（）

    • A、the system state
    • B、the InitialStore.xml file
    • C、the child .vhd files
    • D、the child .xml configuration file

    正确答案:C,D

  • 第2题：

    Which two attributes need to match for two switches to become members of the same MST region？  （）

    • A、the table of 4096 elements that map the respective VLAN to STP instance number
    • B、VTP version
    • C、configuration revision number
    • D、native VLAN ID

    正确答案:A,C

  • 第3题：

    Which interface does java.util.Hashtable implement？（）  

    • A、 java.util.Map
    • B、 java.util.List
    • C、 java.util.Hashable
    • D、 java.util.Collection

    正确答案:A

  • 第4题：

    Which two interfaces provide the capability to store objects using a key-value pair？（）

    • A、 Java.util.Map.
    • B、 Java.util.Set.
    • C、 Java.util.List.
    • D、 Java.util.StoredSet.
    • E、 Java.util.StoredMap.
    • F、 Java.util.Collection.

    正确答案:A,E

  • 第5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6题：

    You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. You are going to use the data collector to gather performance data periodically on all instances. You must store all collected data in the same database. This database is hosted on a single instance. Every five hours, you have to collect and load performance data in the management data warehouse. Which data collection process should you implement? （） 

    • A、You should create a cached data collection 
    • B、You should create an on-demand non-cached data collection 
    • C、You should create a scheduled non-cached data collection. 
    • D、You should create two different SQL Agent jobs. The two jobs are scheduled at the same time. One job uploads the data collection and the other job creates a data collection.

    正确答案:C

  • 第7题：

    多选题
    Which two of these elements need to be configured prior to enabling SSH？ （）
    A

    hostname

    B

    loopback address

    C

    default gateway

    D

    domain name

    E

    SSH peer address


    正确答案： A,D
    解析： 暂无解析

  • 第8题：

    多选题
    Which two attributes need to match for two switches to become members of the same MST region？（）
    A

    the table of 4096 elements that map the respective VLAN to STP instance number

    B

    VTP version

    C

    configuration revision number

    D

    native VLAN ID


    正确答案： B,A
    解析： 暂无解析

  • 第9题：

    多选题
    Your company has a Microsoft Hyper-V Server 2008 R2 environment. You need to manually back up a child partition while it is turned off. Which two elements should you back up？（）
    A

    the system state

    B

    the InitialStore.xml file

    C

    the child .vhd files

    D

    the child .xml configuration file


    正确答案： A,C
    解析： 暂无解析

  • 第10题：

    单选题
    You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）
    A

     Java.util.Map.

    B

     Java.util.Set.

    C

     Java.util.List.

    D

     Java.util.StoredSet.

    E

     Java.util.StoredMap.

    F

     Java.util.Collection.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Which interface does java.util.Hashtable implement？（）
    A

     java.util.Map

    B

     java.util.List

    C

     java.util.Hashable

    D

     java.util.Collection


    正确答案： D
    解析： 暂无解析

  • 第12题：

    多选题
    Which two interfaces provide the capability to store objects using a key-value pair？（）
    A

    Java.util.Map.

    B

    Java.util.Set.

    C

    Java.util.List.

    D

    Java.util.StoredSet.

    E

    Java.util.StoredMap.

    F

    Java.util.Collection.


    正确答案： B,E
    解析： 暂无解析

  • 第13题：

    You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that allows users to arrange images. You need to ensure that users can arrange child elements in a panel without affecting the size of the elements. You also need to ensure that child elements are oriented horizontally. Which control should you use?（）

    • A、 ListBox
    • B、 DockPanel
    • C、 WrapPanel
    • D、 StackPanel

    正确答案:D

  • 第14题：

    Which two of these elements need to be configured prior to enabling SSH？（）

    • A、hostname
    • B、loopback address
    • C、default gateway
    • D、domain name
    • E、SSH peer address

    正确答案:A,D

  • 第15题：

    Which statement is true for the class java.util.ArrayList？（）  

    • A、 The elements in the collection are ordered.
    • B、 The collection is guaranteed to be immutable.
    • C、 The elements in the collection are guaranteed to be unique.
    • D、 The elements in the collection are accessed using a unique key.
    • E、 The elements in the collections are guaranteed to be synchronized.

    正确答案:A

  • 第16题：

    Which two are functions of Oracle Workflow Directory Service? （）(Choose two.)

    • A、manage workflow notifications
    • B、provide information about roles
    • C、store performer and roles relationships
    • D、manage workflow session connection

    正确答案:B,C

  • 第17题：

    You install Windows Server 2008 R2 （Server Core Installation） on a server. The server will store virtual machines （VMs） on a volume that is attached to the server by means of an iSCSI connection. You need to configure the server so that VMs can be stored on the iSCSI volume.  Which two commands should you run？（）

    • A、iscsicli listTarget
    • B、iscsicli qaddTarget
    • C、iscsicli qloginTarget
    • D、iscsicli AddConnection

    正确答案:B,C

  • 第18题：

    单选题
    You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. You are going to use the data collector to gather performance data periodically on all instances. You must store all collected data in the same database. This database is hosted on a single instance. Every five hours, you have to collect and load performance data in the management data warehouse. Which data collection process should you implement? （）
    A

    You should create a cached data collection 

    B

    You should create an on-demand non-cached data collection 

    C

    You should create a scheduled non-cached data collection. 

    D

    You should create two different SQL Agent jobs. The two jobs are scheduled at the same time. One job uploads the data collection and the other job creates a data collection.


    正确答案： A
    解析： 暂无解析

  • 第19题：

    多选题
    You need to store elements in a collection that guarantees that no duplicates are stored. Which two interfaces provide that capability？（）
    A

    Java.util.Map

    B

    Java.util.Set

    C

    Java.util.List

    D

    Java.util.StoredSet

    E

    Java.util.StoredMap

    F

    Java.util.Collection


    正确答案： D,C
    解析： 暂无解析

  • 第20题：

    多选题
    You discover that a particular group of settings named UserPreferences changes.You need to store the UserPreference settings to prevent affecting other applications. Which two actions should you perform？（）
    A

    Use the Properties.USerPreferences object

    B

    Use the Properties.Settings.Default.Userprefences object

    C

    Use the ConfigurationManager.AppSettings object during runtime

    D

    Create the settings by using Application scope

    E

    Create the settings by using User scope


    正确答案： B,A
    解析： 暂无解析

  • 第21题：

    多选题
    Which two classes or interfaces provide a getSession method？（）
    A

    javax.servlet.http.HttpServletRequest

    B

    javax.servlet.http.HttpSessionContext

    C

    javax.servlet.http.HttpsServletResponse

    D

    javax.servlet.http.HttpSessionBindingEvent

    E

    javax.servlet.http.HttpSessionAttributeEvent


    正确答案： A,C
    解析： 暂无解析

  • 第22题：

    单选题
    You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）
    A

    Java.util.Map.

    B

    Java.util.Set.

    C

    Java.util.List.

    D

    Java.util.StoredSet.

    E

    Java.util.StoredMap.

    F

    Java.util.Collection.


    正确答案： F
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is true for the class java.util.ArrayList？（）
    A

     The elements in the collection are ordered.

    B

     The collection is guaranteed to be immutable.

    C

     The elements in the collection are guaranteed to be unique.

    D

     The elements in the collection are accessed using a unique key.

    E

     The elements in the collections are guaranteed to be synchronized.


    正确答案： C
    解析： 暂无解析

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