The auto-complete feature in the JUNOS CLI is triggered by which method?（）A、space bar for both command and variable completionB、space bar for command completion；tab key for variable completionC、space bar for variable completion；tab key for command complet

第1题：

第2题：

在放置元器件封装过程中，按（）键使元件封装旋转。

• A、X
• B、Y
• C、L
• D、Space Bar

第3题：

A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system.  Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?（）

• A、Remove the paging space with the rmps command. 
• B、Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 
• C、Reboot the system and disable the paging space with the rmps command. 
• D、Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 

第4题：

Which command will increase the contiguous free space of a file system without having to add additional partitions？（）

• A、chfs
• B、fsck
• C、chlv
• D、defragfs

第5题：

Which of the following statements about declaration are true？（）         

• A、 Declaration of primitive types such as boolean， byte and so on does not allocate memory space for the variable.
• B、 Declaration of primitive types such as boolean， byte and so on allocates memory space for the variable.
• C、 Declaration of nonprimitive types such as String， Vector and so on does not allocate memory space for the object.
• D、 Declaration of nonprimitive types such as String， Vector ans so on allocates memory space for the object.

第6题：

Evaluate the following command and its output：   SQL>SELECT * FROM dba_temp_free_space；  TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE  LMTEMP 250609664 101048576 149561088 Which two statements correctly interpret the output？（）

• A、 FREE_SPACE indicates only the space that is currently unallocated.
• B、 ALLOCATED_SPACE indicates only the space currently allocated and in use.
• C、 FREE_SPACE indicates only the space that is currently allocated and available for reuse.
• D、 ALLOCATED_SPACE indicates both the space currently allocated and used，and the space that is available for reuse.
• E、 FREE_SPACE indicates both the space that is currently allocated and available for reuse，and the space that is currently unallocated.

第7题：

You discover an out-of-space condition in the database. You decide to suspend a session for five minutes. You issue the following command to suspend the session：   ALTER SESSION ENABLE RESUMABLE；   Which command could you issue to enable the resumable space allocation feature at the session level？（）  

• A、 ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 5；
• B、 ALTER SYSTEM ENABLE RESUMABLE_TIMEOUT = 5；
• C、 ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 300；
• D、 ALTER SYSTEM ENABLE RESUMABLE TIMEOUT = 300；

第8题：

You issued the following command at the UNIX environment：   % setenv ORA_SDTZ ’OZ_TZ’   What will be the impact of issuing the above command？（）  

• A、 The operating system local time zone will be set for a user session using the operating system environment variable.
• B、 The database local time zone will be set for a user session using the operating system environment variable.
• C、 The operating system local time zone will be set for the database using the operating system environment
• D、 The database local time zone will be set for the database using the operating system environment variable.

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第13题：

在放置元器件封装过程中，按（）键使元件封装垂直镜像。

• A、X
• B、Y
• C、L
• D、Space Bar

第14题：

Which command （without options） would you use to display how much space is available on all mounted partitions？（）

第15题：

Which environment variable must be changed in a user’s profile so that upon login， the command prompt identifies the server？（）

• A、PMT
• B、PS1
• C、PRT
• D、PT1

第16题：

Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

• A、 The declaration on line 2 does not allocate memory space for the variable myVect.
• B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
• C、 The statement on line 2 creates an object of class Vector.
• D、 The statement on line 3 creates an object of class Vector.
• E、 The statement on line 3 allocates memory space for an object of class Vector.

第17题：

During a password recovery, what is the next step after configuring the system to boot into single-user mode?（）

• A、Reset the root password.
• B、Press the space bar.
• C、Type recovery.
• D、Press the "Enter" key.

第18题：

You issued the following statement：   SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n；   What will be the result of issuing the above statement？（）

• A、The command will not execute successfully because TIMEOUT is an invalid clause with the ALTER DATABASE ENABLE RESUMABLE command.
• B、 The command will not execute successfully because resumable space allocation is enabled at the session level.
• C、 The command will execute successfully and resumable space will be allocated at the session level.
• D、 The command will execute successfully and resumable space will be allocated at the instance level.

第19题：

The current time zone for one of the user sessions is set to the database local time zone. For one application， the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective？ （）

• A、 use the ALTER SYSTEM command to change the time zone
• B、 use the ALTER SESSION command to change the time zone
• C、 use the ALTER DATABASE command to change the time zone
• D、 set the value for the operating system variable ORA_SDTZ on the client machine
• E、 set the value for the operating system variable ORA_SDTZ on the database server machine

第20题：

As a junior network administrator of your company, you have been asked to move the printer spool off the system partition and onto another hard disk to solve disk space issues. How will you move the printer spool to another drive?（）

• A、From the command prompt run the command 'move c:/winnt/system32/spool printers [desired  location]'. 
• B、From the command prompt run the command 'move c:/winnt/spool printers [desired location]'. 
• C、From the Advanced tab of printer server properties. 
• D、Configure the print$ share on your computer to point to the desired location.

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