Which of the following commands lists IPv4 addresses and MAC addresses of network nodes that the local system has seen on its directly connected IP networks?

With which command can the reserved blocks count for a file-system be seen? (Please enter only the command without the path or any parameters or options)

Which archive format is used to create an initramfs image?

The following is an excerpt from the output of tcpdump -nli eth1:
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.],
ack 1 (truncated)
13:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.],
seq (truncated)
Which network service or protocol was used?

Which of the following best describes the format of the /etc/fstab file?