CompTIA LX0-104 問題集

質問 1：
Which of the following commands prints the exit value of the most recently executed program in Bash?
A. echo $status
B. echo $exit
C. echo $#
D. echo $?
E. echo $&
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
FILL BLANK
What word is missing from the following SQL statement?update tablename______ fieldname='value' where id=909;
(Please specify the missing word using lower\_case letters only.)
正解：
set
Section: Shells, Scripting and Data Management

質問 3：
Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)
A. ssh example.com:2222
B. ssh --port 2222 example.com
C. ssh -o GatewayPort=2222 example.com
D. ssh -o Port=2222 example.com
E. ssh -p 2222 example.com
正解：D,E
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which file, when using Sendmail or a compatible MTA system, will allow a user to redirect all of their mail to another address and is configurable by the user themselves?
A. /etc/mail/forwarders
B. /etc/alias
C. ~/.forward
D. ~/.alias
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 5：
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?
A. FROM
B. IF
C. CASE
D. WHERE
正解：D
解説: (Topexam メンバーにのみ表示されます)