101-500 試験問題を無料オンラインアクセス

Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)

• A./var/,
• B.Var
• C./var
• D.var/

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

• A.echo -n "Hello" >>/tmp/myfile.txt
• B.echo "Hello" >/tmp/myfile.txt
• C.touch/tmp/myfile.txt
• D.sed -ie "s/1/2/" /tmp/myfile.txt
• E.file /tmp/myfile.txt

What output does the command seq 1 5 20 produce?

• A.1
  6 11
  16
• B.2
  3
  4
  5
• C.5
  10
  15
  20
• D.1
  5
  10
  15
• E.1
  2
  3
  4

Which of the following are valid stream redirection operators within Bash? (Choose two.)

• A.>>>
• B.<
• C.2>&1
• D.%>
• E.#>

Which of the commands below might have produced the following output?

• A.dig -t rax www.example.org
• B.dig -t a www.example.org
• C.dig www.example.org
• D.dig -t soa www.example.org
• E.dig -t ns www.example.org