How can the label root be added to the ext4 filesystem on /dev/sda1?

1. A. relabel /dev/sda1 root
2. B. tune2fs -L root /dev/sda1
3. C. echo 'root' > /proc/fs/sda1/label
4. D. labelfs --device /dev/sda1 root

Correct Answer: B

Which of the following tools are used to measure memory usage? (Choose THREE correct answers.)

1. A. mpstat
2. B. pstree
3. C. sar
4. D. top
5. E. vmstat

Correct Answer: CDE

A Linux server running systemd booted to rescue.target for maintenance. Which commands are used to restore the server to its usual target? (Choose two.)

1. A. telinit 0
2. B. systemctl default
3. C. sync
4. D. systemctl emergency
5. E. systemctl reboot

Correct Answer: AB

The main configuration file for autofs has this entry:
Solution:
/home /etc/auto.home

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

According to the tcpdump output below, what is the IP address of the client host?
02:12:40.511381 IP 192.168.246.11.1045 > 192.168.246.1.22: S 3838532429:3838532429(0) win 5840 1460,sackOK,timestamp 31325740,nop,wscale 2>
02:12:40.511540 IP 192.168.246.1.22 > 192.168.246.11.1045: S 1209330085:1209330085(0) ack 383853
2430 win 5792
02:12:40.511755 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 1 win 1460 11553457>
02:12:40.515122 IP 192.168.246.1.22 > 192.168.246.11.1045: P 1:26(25) ack 1 win 5792 11553460 3132574>
02:12:40.515511 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 26 win 1460 3132578 11553460>
02:12:40.515952 IP 192.168.246.11.1045 > 192.168.246.1.22: P 1:23(22) ack 26 win 1460

Solution:
192.168.246.11

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A