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LPI 102-400 問題練習

LPI Level 1 Exam 102, Junior Level Linux Certification,Part 2 of 2 試験

最新更新時間: 2024/03/19,合計120問。

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Question No : 1
Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

正解:

Question No : 2
CORRECT TEXT
What command displays all aliases defined in the current shell? (Specify the command without any path information)

正解: alias, alias -p

Question No : 3
What is the purpose of the file /etc/profile?

正解:

Question No : 4
Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

正解:

Question No : 5
Which of the following commands lists all defined variables and functions within Bash?

正解:

Question No : 6
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

正解:

Question No : 7
What output will the following command produce?
seq 1 5 20

正解:

Question No : 8
When the command echo $$ outputs 12942, what is the meaning of 12942?

正解:

Question No : 9
How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?

正解:

Question No : 10
What is the difference between the commands test -e path and test -f path?

正解:

Question No : 11
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)

正解:

Question No : 12
Which of the following commands puts the output of the command date into the shell variable mydate?

正解:

Question No : 13
After issuing:
function myfunction { echo $1 $2 ; }
in Bash, which output does:
myfunction A B C
Produce?

正解:

Question No : 14
CORRECT TEXT
What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)

正解: select

Question No : 15
CORRECT TEXT
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

正解: /etc/skel

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