Novell Novell Certifications 050-720 Questions & Answers

• Question 51:

  You want to boot your system to runlevel 3. Which option do you have to enter at the GRUB boot manager dialog?

  A. 3

  B. init=3

  C. boot=3

  D. runlevel=3

  Correct Answer: A

• Question 52:

  You would like to run command1 and then command2, whether or not command1 completed successfully. Which command accomplishes this task?

  A. command1 | command2

  B. command1 ; command2

  C. command1 > command2

  D. command1 and command2

  Correct Answer: B

• Question 53:

  You created a script (/root/bin/backup.sh) that backs up your files when executed. Using cron, you want to execute this script once every Saturday at 3:00 pm. Which line would you have to enter after invoking crontab - e in a terminal window?

  A. 15 0 * * 6 /root/bin/backup.sh

  B. 0 15 * * 6 /root/bin/backup.sh

  C. 0 15 * 6 * /root/bin/backup.sh

  D. 15 0 * * 6 root /root/bin/backup.sh

  Correct Answer: B

• Question 54:

  While in insert mode, how do you save a file and close vi?

  A. Press Esc and :q

  B. Press Esc and :w

  C. Press Esc and :wq

  D. Press Esc and :zz

  Correct Answer: C

• Question 55:

  You want to install the ethereal RPM package that is available on the SUSE Linux Enterprise Server 10 installation media. Which command installs the ethereal package, and resolves dependencies as needed?

  A. rpm -i ethereal

  B. yast -i ethereal

  C. yast -l ethereal

  D. rpm -U ethereal

  Correct Answer: B

• Question 56:

  Which is the main configuration file for logrotate?

  A. /etc/logrotate

  B. /etc/logr.conf

  C. /etc/cron/logrotate

  D. /etc/logrotate.conf

  Correct Answer: D

• Question 57:

  You want to delete all data on the second hard drive (/dev/hdb). Which command accomplishes this?

  A. rm /dev/hdb

  B. dd if=/dev/zero of=/dev/hdb bs=100k

  C. dd of=/dev/zero if=/dev/hdb bs=100k

  D. dd if=/dev/zero of=/dev/hdb count=1 bs=1024

  Correct Answer: B

• Question 58:

  You want to copy the mytext file from your computer to the /tmp/ directory on the remote computer da20. digitalairlines.com. Which command would you use to accomplish this?

  A. ssh mytext da20.digitalairlines.com:/tmp

  B. scp da20.digitalairlines.com:/tmp mytext

  C. scp mytext da20.digitalairlines.com:/tmp

  D. sftp mytext da20.digitalairlines.com:/tmp

  Correct Answer: C

• Question 59:

  Which statement about a differential backup is correct?

  A. The use of differential backups is limited to backups on tape roboters.

  B. To restore a differential backup, you need the last differential backup only.

  C. To restore a differential backup, you need the last full backup and the last differential backup that was made since the last full backup.

  D. The amount of data that needs to be backed up with each differential backup depends only on the amount of data changed since the last differential backup.

  Correct Answer: C

• Question 60:

  Which statement about the Set User ID bit on executable files is correct?

  A. The SUID bit has no security implications.

  B. The SUID bit on executables has no effect; it is only relevant when set on directories.

  C. The SUID bit makes it more difficult to exploit any potential vulnerabilities in the program.

  D. The SUID should only be set when really needed and only on applications that are well tested.

  Correct Answer: D