⚠️ Retired / Legacy Exam: This exam has been retired or replaced. These practice questions are kept for reference only. Please check the official vendor website for current exam versions before studying.
An application contains the following log entries in a file named “authlog.log”:
A security analyst has been asked to parse the log file and print out all valid usernames. Which of the following achieves this task?
A. grep -e “successfully” authlog.log | awk ‘{print $2}’ | sed s/\’//g
B. cat authlog.log | grep “2016-01-01” | echo “valid username found: $2”
C. echo authlog.log > sed ‘s/User//’ | print “username exists: $User”
D. cat “authlog.log” | grep “User” | cut -F’ ‘ | echo “username exists: $1”