- (Exam Topic 4)
Which of the following examples for Bash file globbing matches a file named root-can-do-this.txt when used in the directory holding that file? (Choose three correct answers.)

1. A. root*can?do-this.{txt,odt}
2. B. r[oOoO]t-can-do*.txt
3. C. {root,user,admin}-can-??-this.txt
4. D. root*can*do??this.txt
5. E. root***{can,may}-do-this.[tT][xX][tT]

Correct Answer: ABC

- (Exam Topic 5)
What output will be displayed when the user fred executes the following command? echo ‘fred $USER’

1. A. fred fred
2. B. fred /home/fred/
3. C. ‘fred $USER’
4. D. fred $USER
5. E. ‘fred fred’

Correct Answer: A

- (Exam Topic 5)
When is the content of the kernel ring buffer reset? (Choose two.)

1. A. When the ring buffer is explicitly reset using the command dmesg --clear
2. B. When the ring buffer is read using dmesg without any additional parameters
3. C. When a configurable amount of time, 15 minutes by default, has passed
4. D. When the kernel loads a previously unloaded kernel module
5. E. When the system is shut down or rebooted

Correct Answer: AE

- (Exam Topic 4)
Which of the following commands will display the inode usage of each mounted filesystem?

1. A. du –i
2. B. df –i
3. C. lsfs –i
4. D. printfs –i

Correct Answer: B

- (Exam Topic 4)
Which of the following commands changes all occurrences of the word “bob” in file data to “Bob” and prints the result to standard output?

1. A. sed‘/bob/Bob’ data
2. B. sed‘s/bob/Bob/g’ data
3. C. sed‘s/bob/Bob/’ data
4. D. sed‘/bob/Bob/’ data
5. E. sed‘s/bob,Bob/’ data

Correct Answer: B