参考答案和解析
正确答案:C
更多“You have just issued the command”相关问题
  • 第1题:

    You have just issued the command commit confirmed and your network continues to be operational with no further changes required. You issue a commit and-quit. A short time later, users start complaining about network problems. Which commands (in order) need to be entered to resolve this issue?()

    A.A

    B.B

    C.C

    D.D


    参考答案:B

  • 第2题:

    Which three route filtering statements are true?()

    A. After the router ospf 10 and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface

    B. When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface

    C. After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface

    D. When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface

    E. After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface

    F. When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface


    参考答案:C, D, F

  • 第3题:

    Which three route filtering statements are true?()

    • A、After the router ospf 10  and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface
    • B、When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface
    • C、After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface
    • D、When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface
    • E、After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface
    • F、When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface

    正确答案:C,D,F

  • 第4题:

    You execute a command to resize a data file, sales.dbf, of size 200 MB in your database: ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M;  Which statement is true about this command()

    • A、The command must be issued in MOUNT state.
    • B、The command succeeds only if the data file is offline.
    • C、The command must be issued when the database is in the archivelog mode.
    • D、The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.

    正确答案:D

  • 第5题:

    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?()

    • A、You should perform a log switch
    • B、You should make a backup of the database
    • C、You should switch the database to the NONARCHIVELOG mode
    • D、You should shut down the database instance and perform a complete database recovery

    正确答案:B

  • 第6题:

    单选题
    As soon as you hear the fire and emergency signal, you should ensure that the ().
    A

    ring buoys are thrown overboard

    B

    engines are stopped

    C

    fire pumps are started

    D

    life preservers have been issued to everyone


    正确答案: B
    解析: 暂无解析

  • 第7题:

    多选题
    Your home computer runs Windows 2000 Professional. You have just installed a new application and restarted the computer. During the boot process you receive the following error message: "NTLDR is missing - Press any key to restart." You do not have an emergency repair disk. You want your computer to start properly. You want to do this with the least amount of administrative effort.  What should you do?()
    A

    Reinstall the operating system.

    B

    Start the computer by using the Windows 2000 Professional CD-ROM.

    C

    Select Repair option and choose the option to verify system files.

    D

    Start the recovery console and type Diskpart from the command prompt.

    E

    Start the recovery console and enter Fixmbr from the command prompt.


    正确答案: C,D
    解析: 暂无解析

  • 第8题:

    多选题
    You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)
    A

    The backup piece size will be limited to 300 MB

    B

    The RMAN uses multiplexing to perform backup

    C

    The operation is accomplished using the default channel available

    D

    The RMAN parallelizes the backup although the parallelism is not set for a channel


    正确答案: C,A
    解析: 暂无解析

  • 第9题:

    单选题
    You issued the following command on the temporary tablespace LMTEMP in your database: SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M; Which requirement must be fulfilled for this command to succeed?()
    A

    The tablespace must be locally managed.

    B

    The tablespace must have only one temp file.

    C

    The tablespace must be made nondefault and offline.

    D

    The tablespace can remain as the default but must have no active sort operations.


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:   ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;   Which action should you perform immediately after using this command?()
    A

     You should perform a log switch

    B

     You should make a backup of the database

    C

     You should switch the database to the NONARCHIVELOG mode

    D

     You should shut down the database instance and perform a complete database recovery


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    You execute a command to resize a data file, sales.dbf, of size 200 MB in your database: ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M;  Which statement is true about this command()
    A

    The command must be issued in MOUNT state.

    B

    The command succeeds only if the data file is offline.

    C

    The command must be issued when the database is in the archivelog mode.

    D

    The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study. Which one command could you use that includes the output of many other show commands, such as show version and show running-config?()
    A

    show configuration

    B

    show memory

    C

    show stacks

    D

    show tech-support


    正确答案: D
    解析: 暂无解析

  • 第13题:

    A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study.Which one command could you use that includes the output of many other show commands, such as show version and show running-config?()

    A. show configuration

    B. show memory

    C. show stacks

    D. show tech-support


    参考答案:D

  • 第14题:

    A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE?

    A.The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles

    B.If the vessel was on coastwise articles,the record of discharge will be made in the Official Logbook

    C.An entry should be made in the book and a Certificate of Discharge issued to the seaman

    D.A Certificate of Discharge form should be attached to the book


    正确答案:A

  • 第15题:

    You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)

    • A、The backup piece size will be limited to 300 MB
    • B、The RMAN uses multiplexing to perform backup
    • C、The operation is accomplished using the default channel available
    • D、The RMAN parallelizes the backup although the parallelism is not set for a channel

    正确答案:A,C

  • 第16题:

    You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?()

    • A、Immediately following statement execution 
    • B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued 
    • C、After the ALTER TABLE SET UNUSED COLUMN command is issued 
    • D、After the ALTER TABLE MODIFY command is issued

    正确答案:B

  • 第17题:

    You are maintaining the database of a company. The listener process, listener1, is configured for remote access. You have issued the following command:   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command?() 

    • A、 whether the password is set in the listener or a file or not
    • B、 the number of client connections the service handler has refused
    • C、 the information will be displayed whether the instance can accept connections or not
    • D、 the protocol addresses on which the listener is configured to listen

    正确答案:B

  • 第18题:

    单选题
    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?()
    A

    You should perform a log switch

    B

    You should make a backup of the database

    C

    You should switch the database to the NONARCHIVELOG mode

    D

    You should shut down the database instance and perform a complete database recovery


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    You are maintaining the database of a company. The listener process, listener1, is configured for remote access. You have issued the following command:   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command?()
    A

     whether the password is set in the listener or a file or not

    B

     the number of client connections the service handler has refused

    C

     the information will be displayed whether the instance can accept connections or not

    D

     the protocol addresses on which the listener is configured to listen


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    You have just issued the command user@router# save current.conf.Assuming the default settings, where in the file system is current.conf saved?()
    A

    /var/tmp/

    B

    /var/config/saved/

    C

    /var/home/user/

    D

    /config/


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    You issued the following command on the temporary tablespace LMTEMP in your database:   SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M;   Which requirement must be fulfilled for this command to succeed?()
    A

     The tablespace must be locally managed.

    B

     The tablespace must have only one temp file.

    C

     The tablespace must be made nondefault and offline.

    D

     The tablespace can remain as the default but must have no active sort operations.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    What is the net effect of the following command?()   alter diskgroup dgroup1 drop disk abc;
    A

     The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command,the data on that disk will be lost.

    B

     The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.

    C

     The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete,the disk will be dropped.

    D

     This command will fail because you cannot drop a specific disk in an ASM disk group.

    E

     The disk drop command will be suspended for a predetermined amount of time,waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command,ASM will proceed to rebalance the disk group and then drop the disk.


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    You have issued the following command:    RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS;   What will be the result of using the above command?()
    A

     The backup metadata will be maintained in the control file for 100 days.

    B

     The backup metadata will be maintained in the recovery catalog for 100 days.

    C

     The backup metadata will be maintained in the flash recovery area for 100 days.

    D

     After 100 days, the backup sets and image copies will be deleted from the media.


    正确答案: B
    解析: 暂无解析