参考答案和解析
正确答案:A
更多“把对Student表和Course表的全部操作权授予用户User1和User2的语句是() A、GRANTAllONStudent,CourseTOUser1,User2;B、GRANTStudent,CourseONAllTOUser1,User2;C、GRANTAllTOStudent,CourseONUser1,User2;D、GRANTAllTOUser1,User2ONS”相关问题
  • 第1题:

    以下SQL语句不能实现要求的是()

    A.把查询Student表权限授给用户U1GRANT SELECTON TABLE StudentTO U1

    B.把对表SC的查询权限授予所有用户GRANT SELECT ON TABLE SCTO PUBLIC

    C.把对Student表和Course表的全部权限授予用户U2和U3GRANT ALL PRIVILIGESON TABLE Student, Course TO U2,U3

    D.把查询Student表和修改学生学号的权限授给用户U4GRANT UPDATE, SELECTON TABLE StudentTO U4


  • 第2题:

    JRU数据下载使用U盘,当()时,表示转储完毕,拔出U盘。

    • A、user1灯亮user2灯灭
    • B、user1灯亮user2灯亮
    • C、user1灯灭user2灯亮
    • D、user1灯灭user2灯灭

    正确答案:C

  • 第3题:

    系统中有用户user1和user2,同属于users组。在user1用户目录下有一文件file1,它拥有644的权限,如果user2用户想修改user1用户目录下的file1文件,应拥有()权限。

    • A、744
    • B、664
    • C、646
    • D、746

    正确答案:B

  • 第4题:

    Windows 2003的NTFS文件系统具有对文件和文件夹加密的特性。域用户user1加密了自己的一个文本文件myfile.txt。他没有给域用户user2授权访问该文件。下列叙述正确的是()。

    • A、对文件加密后可以防止非授权用户访问,所以user2不能读取该文件
    • B、User1需要解密文件myfile.txt才能读取
    • C、User2如果对文件myfile.txt具有NTFS完全控制权限,就可以读取该文件
    • D、如果User1将文件myfile.txt拷贝到FAT32分区上,加密特性不会丢失

    正确答案:A

  • 第5题:

    作为公司的网络管理员,你在网络中的一台名为FTPServer的Windows2000Server计算机上创建了一个FTP站点,允许用户对站点的内容进行下载的操作,站点的主目录位于NTFS分区,并设置这个站点不允许匿名访问。这台FTP服务器上有两个用户账号Userl和User2,其中Userl是administrators组的成员,User2是普通账号。当使用账号Userl访问FTP服务器时没有任何问题,可是当使用账号User2访问FTP服务器时,系统提示登录失败。你应该采取什么措施以解决这个问题?()

    • A、设置FTP站点允许匿名访问。
    • B、把用户账号User2加入到administrators组。
    • C、在主目录文件夹的ACL中赋予用户User2“读取”权限
    • D、在FTP服务器上把用户账号IUSR_FTPServer激活

    正确答案:C

  • 第6题:

    Which of the following statements allows USER1 to take away read access on the table ORG.TAB1 from USER2?()

    • A、REVOKE SELECT FROM user2 ON TABLE org.tab1
    • B、REVOKE SELECT ON TABLE org.tab1 FROM user2
    • C、REVOKE READ ACCESS FROM user2 ON TABLE org.tab1
    • D、REVOKE READ ACCESS ON TABLE org.tab1 FROM user2

    正确答案:B

  • 第7题:

    You are the DBA for an academic database. You need to create a role that allows a group of users to modify existing rows in the STUDENT_GRADES table.Which set of statements accomplishes this?()

    • A、CREATE ROLL registrar; GRANT MODIFY ON student_grant TO registrar; GRANT registrar to user 1, user2, user3
    • B、CREATE NEW ROLE registrar; GRANT ALL ON student_grant TO registrar; GRANT registrar to user 1, user2, user3
    • C、CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT ROLE to user1, user2, user3
    • D、CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT registrar to user 1, user2, user3;
    • E、CREATE registrar; GRANT CHANGE ON student_grant TO registrar; GRANT registrar;

    正确答案:D

  • 第8题:

    Your company has an Exchange Server 2010 organization. A user named User1 is configured as a Delegate for a user named User2. You need to ensure that User1 can add User2 in the From field when sending email messages. Messages that contain User2 in the From field must display User2 as the message sender when recipients receive the messages.  What should you do()? 

    • A、Remove User1 as a delegate, and then grant User1 Send As permissions to User2¯s mailbox
    • B、Remove User1 as a delegate, and then grant User1 Send on Behalf permissions to User2¯s mailbox
    • C、Create a Sharing policy, and then grant User1 Modify permissions to User2¯s mailbox
    • D、Create a Sharing policy, and then grant User1 Full Mailbox permissions to User2¯s mailbox

    正确答案:A

  • 第9题:

    单选题
    You have an Exchange Server 2010 organization.You have a user named User1 and a user named User2. You need to ensure that User1 can add User2 to the From field when he sends e-mail messages. Messages that have User2 in the From field must display only User2 as the message sender to recipients Who receive the messages. What should you use?()
    A

    Active Directory Users and Computers

    B

    Exchange Control Panel (ECP)

    C

    Exchange Management Console (EMC)

    D

    Microsoft Office Outlook


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    You have an Exchange Server 2010 organization.A user named User1 connects to his mailbox by using Microsoft Office Outlook.User1 reports that he is unable to send encrypted e-mail messages to an external recipient named User2.You verify that User1 and User2 have e-mail encryption certificates.You need to ensure that User1 can send encrypted e-mail messages to User2.What should you do first?()
    A

    Instruct User2 to add a delegate

    B

    Instruct User2 to send a signed e-mail message to User1.

    C

    Instruct User1 to send a signed e-mail message to User2.

    D

    Instruct User1 to modify the sensitivity settings of the e-mail message


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    JRU数据下载使用U盘,当()时,表示转储完毕,拔出U盘。
    A

    user1灯亮user2灯灭

    B

    user1灯亮user2灯亮

    C

    user1灯灭user2灯亮

    D

    user1灯灭user2灯灭


    正确答案: B
    解析: 暂无解析

  • 第12题:

    填空题
    CTCS3-300T列控车载设备JRU下载数据时使用U盘文件系统格式为FAT(FAT16)才能正常下载数据,下载时USER1及USER2(),USER2点亮而USER1灭时表示数据下载完成。

    正确答案: 灯交替闪
    解析: 暂无解析

  • 第13题:

    若某文件系统的目录结构如下图所示,假设用户要访问文件book2.doc,且当前工作目录MyDrivers,则该文件的绝对路径和相对路径分别为( )


    A.MyDrivers\user2\和\user2\
    B.\MyDrivers\user2\和\user2\
    C.\MyDrivers\user2\和user2\
    D.MyDrivers\user2\和user2\

    答案:C
    解析:
    绝对路径:是从根目录开始的路径,以“\”代表根目录相对路径:是从当前路径开始的路径

  • 第14题:

    用户user1和user2同属于users组,user1有一个文件file1,需要user2能修改user2的file1文件,改文件需要拥有什么样的权限

    • A、646
    • B、746
    • C、744
    • D、664

    正确答案:D

  • 第15题:

    You have a computer that runs Windows XP Professional. Two users named User1 and User2 share the computer. User1 and User2 encrypt files on the computer. User1 encrypts a file named file1. doc. You need ensure that both User1 and User2 can view the contents of file1. doc. What should you instruct User1 to do?() 

    • A、Add the certificate of User2 to file1. doc. 
    • B、Assign User2 the Full Control NTFS permission on file1. doc. 
    • C、Copy file1. doc the %systemroot%/documents and settings/all users/ folder.
    • D、Move file1. doc to the %systemroot%/documents and settings/all users/ folder. 

    正确答案:A

  • 第16题:

    CTCS3-300T列控车载设备JRU下载数据时使用U盘文件系统格式为FAT(FAT16)才能正常下载数据,下载时USER1及USER2(),USER2点亮而USER1灭时表示数据下载完成。


    正确答案:灯交替闪

  • 第17题:

    系统中有用户user1和user2,同属于users组.在user1用户目录下有一文件file1,其本身权限为644,如果要允许user2用户修改user1用户目录下的file1文件,则应该改file1的权限,为什么?()

    • A、744
    • B、664
    • C、646
    • D、746

    正确答案:B

  • 第18题:

    User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?()

    • A、User2 needs write permission to the directory.
    • B、User2 needs both read and write permissions to the directory.
    • C、User2 needs both read and execute permissions to the directory.
    • D、User2 needs both write and execute permissions to the directory.

    正确答案:C

  • 第19题:

    You have an Exchange Server 2010 organization.You have a user named User1 and a user named User2. You need to ensure that User1 can add User2 to the From field when he sends e-mail messages. Messages that have User2 in the From field must display only User2 as the message sender to recipients Who receive the messages. What should you use?()

    • A、Active Directory Users and Computers
    • B、Exchange Control Panel (ECP)
    • C、Exchange Management Console (EMC)
    • D、Microsoft Office Outlook

    正确答案:C

  • 第20题:

    You have an Exchange Server 2010 organization.A user named User1 connects to his mailbox by using Microsoft Office Outlook.User1 reports that he is unable to send encrypted e-mail messages to an external recipient named User2.You verify that User1 and User2 have e-mail encryption certificates.You need to ensure that User1 can send encrypted e-mail messages to User2.What should you do first?()

    • A、Instruct User2 to add a delegate
    • B、Instruct User2 to send a signed e-mail message to User1.
    • C、Instruct User1 to send a signed e-mail message to User2.
    • D、Instruct User1 to modify the sensitivity settings of the e-mail message

    正确答案:B

  • 第21题:

    单选题
    You are the DBA for an academic database. You need to create a role that allows a group of users to modify existing rows in the STUDENT_GRADES table. Which set of statements accomplishes this? ()
    A

    CREATE ROLL registrar; GRANT MODIFY ON student_grant TO registrar; GRANT registrar to user 1, user2, user3

    B

    CREATE NEW ROLE registrar; GRANT ALL ON student_grant TO registrar; GRANT registrar to user 1, user2, user3

    C

    CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT ROLE to user1, user2, user3

    D

    CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT registrar to user 1, user2, user3;

    E

    CREATE registrar; GRANT CHANGE ON student_grant TO registrar; GRANT registrar;


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    You have a computer that runs Windows XP Professional. Two users named User1 and User2 share the computer. User1 and User2 encrypt files on the computer. User1 encrypts a file named file1. doc. You need ensure that both User1 and User2 can view the contents of file1. doc. What should you instruct User1 to do?()
    A

    Add the certificate of User2 to file1. doc. 

    B

    Assign User2 the Full Control NTFS permission on file1. doc. 

    C

    Copy file1. doc the %systemroot%/documents and settings/all users/ folder.

    D

    Move file1. doc to the %systemroot%/documents and settings/all users/ folder. 


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following statements allows USER1 to take away read access on the table ORG.TAB1 from USER2?()
    A

    REVOKE SELECT FROM user2 ON TABLE org.tab1

    B

    REVOKE SELECT ON TABLE org.tab1 FROM user2

    C

    REVOKE READ ACCESS FROM user2 ON TABLE org.tab1

    D

    REVOKE READ ACCESS ON TABLE org.tab1 FROM user2


    正确答案: D
    解析: 暂无解析