- (Exam Topic 5) Given the following input stream:
txt1.txt
atxt.txt
txtB.txt
Which of the following regular expressions turns this input stream into the following output stream? txt1.bak.txt
atxt.bak.txt
txtB.bak.txt

1. A. s/^.txt/.bak/
2. B. s/txt/bak.txt/
3. C. s/txt$/bak.txt/
4. D. s/^txt$/.bak^/
5. E. s/[.txt]/.bak$1/

Correct Answer: B

- (Exam Topic 4)
Which of the following commands will mount an already inserted CD-ROM in /dev/sr0 onto an existing directory /mnt/cdrom when issued with root privileges?

1. A. mount /dev/cdrom /mnt/cdrom
2. B. mount /dev/sr0 /mnt/cdrom
3. C. mount –t cdrom /dev/sr0 /mnt/cdrom
4. D. mount –l cdrom /dev/sr0 /mnt/cdrom
5. E. mount –f /dev/sr0/mnt/cdrom

Correct Answer: C

- (Exam Topic 4)
How can the list of files that would be installed by the RPM package file apache-xml.rpm be previewed?

1. A. rpm –qp apache-xml.rpm
2. B. rpm –qv apache-xml.rpm
3. C. rpm –ql apache-xml.rpm
4. D. rpm –qpl apache-xml.rpm

Correct Answer: D

- (Exam Topic 5)
When considering the use of hard links, what are valid reasons not to use hard links?

1. A. Hard links are not available on all Linux systems because traditional filesystems, such as ext4, do not support them
2. B. Each hard link has individual ownership, permissions and ACLs which can lead to unintended disclosure of file content
3. C. Hard links are specific to one filesystem and cannot point to files on another filesystem
4. D. If users other than root should be able to create hard links, suln has to be installed and configured
5. E. When a hard linked file is changed, a copy of the file is created and consumes additional space

Correct Answer: A

- (Exam Topic 1)
During a system boot cycle, what is the program that is run after the BIOS completes its tasks?

1. A. The bootloader
2. B. The inetd program
3. C. The init program
4. D. The kernel

Correct Answer: A