space bar for both command and variable completion
space bar for command completion；tab key for variable completion
space bar for variable completion；tab key for command completion
tab key for variable and command completion；space bar for command completion
第1题：
A. Reset the root password.
B. Press the space bar.
C. Type recovery.
D. Press the "Enter" key.
第2题：
The auto-complete feature in the JUNOS CLI is triggered by which method?（）
第3题：
Which of the following terms refers to the situation where the work is being used for the purpose intended and so certified:
A beneficial completion
B substantial completion
C project completion
D contract closeout
E final completion
第4题：
Which command will increase the contiguous free space of a file system without having to add additional partitions？（）
第5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?（）
第6题：
A.PMT
B.PS1
C.PRT
D.PT1
第7题：
Which command （without options） would you use to display how much space is available on all mounted partitions？（）
第8题：
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9题：
Which environment variable must be changed in a user’s profile so that upon login， the command prompt identifies the server？（）
第10题：
Which of the following statements about declaration are true？（）