linux认证辅导：LPI认证考试介绍（六）
OBJECTIVE: 1.12.1 TYPE: mc Your logfile shows repeated connections to TCP port 143. Which named service is being accessed?imap
smbd
nmbd
pop2
smtp
OBJECTIVE: 1.12.1 TYPE: fitb
What type of packet does an IP ping use (provide acronym)?
ICMP
OBJECTIVE: 1.12.2 TYPE: mc
To learn more about the management of an internet site the best utility to use would be:
whois
traceroute
ping
telnet
rpcdump
OBJECTIVE: 1.12.3 TYPE: mc
linux认证辅导：LPI认证考试介绍（六）
</p> If you had a Linux system routing 3 different Networks through 3 NICs and you were having trouble with your IP-Forwarding. Where would you look to ensure that IP-Forwarding is actually enabled?cat /proc/sys/net/ipv4/ip_forward
netstat
cat /proc/net/tcp
iptraf -d eth0
tail -f /var/log/messages
OBJECTIVE: 1.13.1 TYPE: mc
What file is used for associating port numbers to port names.
/etc/services
/etc/hosts
/etc/inetd.conf
/etc/securetty
/etc/ports
OBJECTIVE: 1.13.4 TYPE: mc
You want to make the directory /local available via NFS. All users on your local network should be allowed to read and write files. Which of the following is correct, assuming that your local network is 192.168.1.0, and your machine is part of the DNS domain foobar.com?
/local 192.168.1.0/255.255.255.0(rw)
/local *.com(rw)
192.168.1.0 /local
/local 192.168.1.0(rw)
OBJECTIVE: 1.14.1 TYPE: fitb
Which file can you create to prevent non-root users from logging into the system? (specify path and filename)
/etc/nologin
OBJECTIVE: 1.14.2 TYPE: fitb
What command can be used to display a formatted output of the wtmp file? (no arguments)
last
OBJECTIVE: 1.14.3 TYPE: fitb
Which command can be executed by a user who is already logged into the system, in order to change to the root user? (type the command without any parameters)
su
OBJECTIVE: 1.7.2 TYPE: mc
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