Which of the following properties should be recorded in order to monitor the quality of a network link? (Choose two.)

1. A. Bandwidth in both directions
2. B. Number of nodes using the link
3. C. Effective Latency
4. D. Number of IPv4 and IPv6 packets
5. E. Number of used TCP ports

Correct Answer: AC

Which RAID level value must be used with Linux software RAID in order to create an array of mirrored devices?

1. A. 1
2. B. 5
3. C. 6
4. D. container
5. E. mirrorstripe

Correct Answer: A

Which of the following are common backup systems used in Linux? (Choose TWO correct answers.)

1. A. Amanda
2. B. Bacula
3. C. DrBackup
4. D. BREWBackup
5. E. SARcheck

Correct Answer: AB

After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?

1. A. In the /etc/sysctl.conf
2. B. In the boot loader configuration file
3. C. In the /etc/runlevel file
4. D. In the /boot/initramfs file
5. E. In the /etc/rc.d/rc.local file

Correct Answer: B

On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?

1. A. The default route with the highest metric value
2. B. The default route with the highest MTU value
3. C. The default route with the lowest TTL value
4. D. The default route with the highest TTL value
5. E. The default route with the lowest metric value

Correct Answer: E