1. Which runlevel is textual multi-user mode? Pg 431
3
2. Which system script contains the default runlevel? Pg425
/etc/inittab
Use the following information for study points 3-5:
A system administrator is manually setting up a new daemon named analyzed. The daemon should be set to run at runlevel 3 and be the very last daemon to load.
3. What should the link to start the daemon be named? Pg 426,427
s99analyzed
4. What command would stop the analyzed daemon? Pg 427
service analyzed stop
5. What command would tell the system at which runlevels to start analyzed? Pg 430
chkconfig -level 35 analyzed
6. What command would let you most safely switch to runlevel 2 without rebooting the computer? Pg 431
Telinit 2
7. What type of control does SELinux implement? Pg 414
Mandatory Access Control
8. Know all of the possible states of SELinux . Pg 414
Enforcing Permissive and Disable
9. The files hosts.allow and hosts.deny belong to what security system? Pg 447
TCP Wrappers
10. Given the following entries, what will happen when a client at address 172.16.24.100 tries to access a Web site running on this server? Pg 447-448
hosts.allow
httpd : 172.15.*
vsftpd: 192.168.0.*
sshd: 172.16.24.100
hosts.deny
httpd : 172.*
vsftpd : 172.16.24.100
sshd : 172.16.*
The Connection Will Be Denied
11. Know all of the valid iptables chains. Pg 821
Forward , Input,Output
12. What is the purpose of a chroot jail? Pg 449
to create a directory that a server thinks is the root directory, thereby blocking access by the server to all other areas of the file system
13. Know all of the printing protocol supported by CUPS. Pg 520
LPD/LPR, SMB, IPP
14. Know all of the valid methods of configuring a CUPS server. Pg522,527,533
Command-line tools,Web interface,Printer configuration applet
15. Linux printer driver files end with what extension? Pg 533
.ppd
16. SSH1