Which of these tools can provide the most information about DNS queries?

What command must be used to create an ext3 file-system?

What needs to be done to enable 32 bit I/O transfer mode for (E)IDE disks, on a system running a
2.4 series Linux kernel?

DNSSEC is used for?

The following is an excerpt from the output of tcpdump -nli eth1 ‘udp’:
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)
13:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A
24.215.7.109 (41)
Which network service or protocol was used?

During which stage of the boot process would this message be seen?
ide_setup: hdc=ide-scsi

After configuring a new 2.4 series kernel, all dependencies, such as included files, need to be
created. How can this be achieved?

Considering the following kernel IP routing table now, which of the following commands must be
remove the route to the network 10.10.1.0/24?
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
200.207.199.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 200.207.199.162 0.0.0.0 UG 0 0 0 ppp0

Some users are unable to connect to specific local hosts by name, while accessing hosts in other
zones works as expected. Given that the hosts are reachable by their IP addresses, which is the
default log file that could provide hints about the problem?

If the command arp -f is run, which file will be read by default?