Questions and Answers:110 Q&As
Updated: 2009-08-13
Exam Number/Code: 117-202
Exam Name: Lpi Level 2 Exam 202
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Exam : LPI 117-202
Title : LPI Level 2 Exam 202
1. Journalling doesn’t appear to be working on an ext3 filesystem. When booting, the following line appears:
VFS: Mounted root (ext2 filesystem) readonly.
What could be causing the problem?
A. An old version of e2fsprogs is installed.
B. The kernel does not contain ext3 support.
C. The filesystem is specified as ext2 in /etc/fstab.
D. The system was not shut down cleanly.
Answer: B
2. Which TWO /etc/hosts.allow entries will allow access to sshd from the class C network 192.168.1.0?
A. sshd : 192.168.1.
B. sshd : 192.168.1
C. sshd : 192.168.1.0 netmask 255.255.255.0
D. sshd : 192.168.1.0/255.255.255.0
E. sshd : 192.168.1.0
Answer: AD
3. A correctlyformatted entry has been added to /etc/hosts.allow to allow certain clients to connect to a service, but this is having no effect. What would be the cause of this?
A. tcpd needs to be sent the HUP signal.
B. The service needs to be restarted.
C. The machine needs to be restarted.
D. There is a conflicting entry in /etc/hosts.deny.
E. The service does not support tcpwrappers.
Answer: E
4. A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CDROM, how can the lost GRUB first stage loader be recovered?
A. Use cp to restore a previous backup of the MBR.
B. Install LILO since there is no easy way to recover GRUB.
C. Running mformat will create a new MBR and fix GRUB using info from grub.conf.
D. Run grubinstall after verifying that grub.conf is correct.
E. Run fdisk mbr /dev/hda assuming that the boot hardisk is /dev/hda.
Answer: D
5. What happens when the Linux kernel can’t mount the root filesystem when booting?
A. An error message is shown, showing which device couldn’t be mounted or informing that init couldn’t be found.
B. An error message is shown and the system reboots after a keypress.
C. An error message is shown and the system boots in maintainence mode.
D. An error message is shown and the administrator is asked to specify a valid root filesystem to continue the boot process.
E. An error message is shown, stating that the corresponding kernel module couldn’t be loaded.
Answer: A
6. A securityconscious administrator would change which TWO of the following lines found in an SSH configuration file?
A. Protocol 2,1
B. PermitEmptyPasswords no
C. Port 22
D. PermitRootLogin yes
E. IgnoreRhosts yes
Answer: AD
7. The syntax of the procmail configuration file is?
A. :0[flags][:[lockfile]]
[* condition]
action
B. [* condition]
action
:0[flags][:[lockfile]]
C. :0[flags][:[lockfile]]
[* condition] action
D. :0:[flags][:[lockfile]]:[* condition]
action
E. :0[flags][:[lockfile]]:[* condition]:action
Answer: A
8. Which of the following organisations track and report on security related flaws in computer technology? (Please select TWO answers)
A. Bugtraq
B. CERT
C. CSIS
D. Freshmeat
E. Kernel.org
Answer: AB
9. In the file /var/squid/url_blacklist is a list of URLs that users should not be allowed to access. What is the correct entry in Squid’s configuration file to create an acl named blacklist based on this file?
A. acl blacklist urlpath_regex /var/squid/url_blacklist
B. acl blacklist file /var/squid/url_blacklist
C. acl blacklist "/var/squid/url_blacklist"
D. acl blacklist urlpath_regex "/var/squid/url_blacklist"
E. acl urlpath_regex blacklist /var/squid/url_blacklist
Answer: D
10. What command must be used to create an SSH keypair? Please enter the command without the path or any options or parameters.
Answer: ssh-keygen
11. The internal network (192.168.1.0192.168.1.255) needs to be able to relay email through the site’s sendmail server. What line must be added to /etc/mail/access to allow this?
A. 192.168.1.0/24 RELAY
B. 192.168.1 RELAY
C. 192.168.1.0/24 OK
D. 192.168.1 OK
Answer: B
12. 1.0192.168.1.255) needs to be able to relay email through the site’s sendmail server. What line must be added to /etc/mail/access to allow this?
A. 192.168.1.0/24 RELAY
B. 192.168.1 RELAY
C. 192.168.1.0/24 OK
D. 192.168.1 OK
Answer: B
8. To allow X connections to be forwarded from or through an SSH server, what line must exist in the sshd configuration file?
Answer: X11Forwarding yes