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?

What is the difference between zImage and bzImage targets when compiling a kernel?

A DNS server has the IP address 192.168.0.1. Which TWO of the following need to be done on a
client machine to use this DNS server?

The mailserver is currently called fred, while the primary MX record points to mailhost.example.org.
What must be done to direct example.org email towards fred?

Which of these ways can be used to only allow access to a DNS server from specified
networks/hosts?