更多“单选题An operator is editing a file using a keyboard without arrow keys. What key can be used to move the cursor one character to the right?()A nB jC kD l”相关问题
  • 第1题:

    Some of the keys have a special use. There are referred to as command keys. The 3 most common are the Control or(66), Alternate or(67)and the Shift keys though there can be more(the Windows key for example or the Command key). Each key on a standard keyboard has one or two characters. Press the key to get the lower character and hold Shift to get the upper. Disk Drives - All(68)need a drive to get information off - or(69)- and put information on the disk - or(70). Each drive is designed for a specific type of disk whether it is a CD, DVD, hard disk or floppy. Often the term 'disk'and 'drive'are used to describe the same thing but it helps to understand that the disk is the storage device which contains computer files-or software - and the drive is the mechanism that runs the disk.

    A.CON

    B.CTRL

    C.COTL

    D.CTR


    正确答案:B
    解析:CTRL:键盘上的Ctrl键

  • 第2题:

    An Active Directory database is installed on the C volume of a domain controller. You need to move the Active Directory database to a new volume What should you do()

    • A、Move the ntds,dit file to the new volume by using Windows Explorer.
    • B、Copy the ntds,dit file to the new volume by using the ROBOCOPY command.
    • C、Move the ntds,dit file to the new volume by using the Files option in the Ntdsutil utility .
    • D、Move the ntds,dit file to the new volume by running the Move-item command in Microsoft Windows powerShell.

    正确答案:C

  • 第3题:

    Which of the following commands should be used to assure that a dump can be forced using the reset button on a system without a key switch?()

    • A、sysdumpdev -k 
    • B、sysdumpdev -L 
    • C、sysdumpdev -K 
    • D、sysdumpdev -P

    正确答案:C

  • 第4题:

    Which of the following will occur if an operator types the command vi file.out?()

    • A、If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.
    • B、If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.
    • C、If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.
    • D、If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.

    正确答案:B

  • 第5题:

    Which two statements about subqueries are true?()

    • A、A single row subquery can retrieve data from only one table.
    • B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.
    • C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.
    • D、A single row subquery can retrieve data from more than one table.
    • E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.
    • F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.

    正确答案:B,D

  • 第6题:

    单选题
    What is one reason that WPA encryption is preferred over WEP?()
    A

    A WPA key is longer and requires more special characters than the WEP key.

    B

    The access point and the client are manually configured with different WPA key values.

    C

    WPA key values remain the same until the client configuration is changed.

    D

    The values of WPA keys can change dynamically while the system is used.


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?()
    A

    yy E 3p

    B

    3yy G p

    C

    3yy :e 5pp

    D

    yy :g 3p


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    As indicated in the passage, being free personal preference in that _____.
    A

    means that one can ignore other people’s criticism

    B

    means that one can impose his preferences on others

    C

    doesn’t mean that one has the right to do things at will

    D

    doesn’t mean that one has the right to charge others without evidence


    正确答案: B
    解析:
    细节推论题。文章末段指出,人人有权发表自己的意见,这不仅是允许的,而且是应当的。但这样做时,前提是只要不伤害别人就行。故C符合。

  • 第9题:

    多选题
    Which two statements about subqueries are true? ()
    A

    A single row subquery can retrieve data from only one table.

    B

    A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.

    C

    A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.

    D

    A single row subquery can retrieve data from more than one table.

    E

    A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.

    F

    A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.


    正确答案: F,A
    解析: 暂无解析

  • 第10题:

    单选题
    You develop a Web application. Your application contains two settings in the Web.config file. You deploy your application to production. You need to modify the application settings in the production environment without manually editing the XML markup in the Web.config file. What should you do?()
    A

     Modify the application settings by using the Web Site Administration Tool.

    B

     Modify the application settings by using the Visual Studio property page editor for the project.

    C

     Modify the application settings by using the resource editor.

    D

     Modify the application settings by using the Visual Studio start options editor.


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?()
    A

    It will recall the previous command line

    B

    It will move the cursor one line up

    C

    It will redisplay the current command line

    D

    It will capitalize the command line

    E

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    What command would an operator use to move a file from the /old_dir directory to the /new_dir directory without changing the file name?()
    A

    mv /old_dir/file /new_dir

    B

    mv -p /old_dir/file /new_dir

    C

    mv -k /old_dir/file /new_dir

    D

    mv /old_dir/file /new_dir/new_file


    正确答案: B
    解析: 暂无解析

  • 第13题:

    After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?()

    • A、It will recall the previous command line
    • B、It will move the cursor one line up
    • C、It will redisplay the current command line
    • D、It will capitalize the command line
    • E、None of the above

    正确答案:A

  • 第14题:

    An operator is editing a file using a keyboard without arrow keys. What key can be used to move the cursor one character to the right?()

    • A、n
    • B、j
    • C、k
    • D、l

    正确答案:D

  • 第15题:

    An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?()

    • A、yy E 3p
    • B、3yy G p
    • C、3yy :e 5pp
    • D、yy :g 3p

    正确答案:B

  • 第16题:

    Which three statements about subqueries are true?()

    • A、A single row subquery can retrieve only one column and one row.
    • B、A single row subquery can retrieve only one row but many columns.
    • C、A multiple row subquery can retrieve multiple rows and multiple columns.
    • D、A multiple row subquery can be compared by using the ">" operator.
    • E、A single row subquery can use the IN operator.
    • F、A multiple row subquery can use the "=" operator.

    正确答案:B,C,D

  • 第17题:

    单选题
    Which of the following commands should be used to assure that a dump can be forced using the reset button on a system without a key switch? ()
    A

     sysdumpdev -k 

    B

     sysdumpdev -L 

    C

     sysdumpdev -K 

    D

     sysdumpdev -P


    正确答案: C
    解析: 暂无解析

  • 第18题:

    多选题
    Which three statements about subqueries are true?()
    A

    A single row subquery can retrieve only one column and one row.

    B

    A single row subquery can retrieve only one row but many columns.

    C

    A multiple row subquery can retrieve multiple rows and multiple columns.

    D

    A multiple row subquery can be compared by using the “>” operator.

    E

    A single row subquery can use the IN operator.

    F

    A multiple row subquery can use the “=” operator.


    正确答案: A,D
    解析: 暂无解析

  • 第19题:

    单选题
    Which of the following will occur if an operator types the command vi file.out?()
    A

    If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.

    B

    If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.

    C

    If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.

    D

    If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are true regarding the USING and ON clauses in table joins?()
    A

    Both USING and ON clauses can be used for equijoins and nonequijoins

    B

    Amaximum of one pair of columns can be joined between two tables using the ON clause

    C

    The ON clause can be used to join tables on columns that have different names but compatible data types

    D

    The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause


    正确答案: A,C
    解析: 暂无解析

  • 第21题:

    单选题
    After purchasing the Active Memory Expansion (AME) Enablement Feature,what tasks must be completed before AME can be used?()
    A

    Enable using active partition properties with DLPAR

    B

    Enter the activation key via the AIX 6.1 command line and reboot AIX

    C

    Enter the activation key via the HMC,power cycle the managed system and start the LPAR

    D

    Enter the activation key via the HMC,modify the partition profile and restart the LPAR


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    An operator is editing a file using a keyboard without arrow keys. What key can be used to move the cursor one character to the right?()
    A

    n

    B

    j

    C

    k

    D

    l


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Which CLI keyboard sequence allows you to move the cursor to the beginning of the line?()
    A

    Ctrl+e

    B

    Ctrl+p

    C

    Ctrl+w

    D

    Ctrl+a


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    Which of the following commands should be used to assure that a dump can be forced using the reset button on a system without a key switch?()
    A

    sysdumpdev -k 

    B

    sysdumpdev -L 

    C

    sysdumpdev -K 

    D

    sysdumpdev -P


    正确答案: D
    解析: 暂无解析