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Guide for 202-450: LPIC-2 (202)

Quiz 202-450: LPIC-2 (202)

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/ 10

Quiz

1/10
On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no
longer forwards IP packets from other hosts. The command:
echo 1 > /proc/sys/net/ipv4/ip_forward
temporarily resolves this issue.
Which one of the following options is the best way to ensure this setting is saved across system
restarts?
Select the answer
1 correct answer
A.
Add echo 1 > /proc/sys/net/ipv4/ip_forward to the root user login script
B.
Add echo 1 > /proc/sys/net/ipv4/ip_forward to any user login script
C.
In /etc/sysct1.conf change net.ipv4.ip_forward to 1
D.
In /etc/rc.local add net.ipv4.ip_forward = 1
E.
In /etc/sysconfig/iptables-config add ipv4.ip_forward = 1

Quiz

2/10
What information can be found in the file specified by the status parameter in an OpenVPN server
configuration file? (Choose two.)
Select the answer
2 correct answers
A.
Errors and warnings generated by the openvpn daemon
B.
Routing information
C.
Statistical information regarding the currently running openvpn daemon
D.
A list of currently connected clients
E.
A history of all clients who have connected at some point

Quiz

3/10
Which of the following lines in the sshd configuration file should, if present, be changed in order to
increase the security of the server? (Choose two.)
Select the answer
2 correct answers
A.
Protocol 2, 1
B.
PermitEmptyPasswords no
C.
Port 22
D.
PermitRootLogin yes
E.
IgnoreRhosts yes

Quiz

4/10
Which of the following nmap parameters scans a target for open TCP ports? (Choose two.)
Select the answer
2 correct answers
A.
-sO
B.
-sZ
C.
-sT
D.
-sU
E.
-sS

Quiz

5/10
Which of the statements below are correct regarding the following commands, which are executed


on a Linux router? (Choose two.)

Certification Exam 202-450: LPIC-2 (202) LPI LPI-202-450 1-1285636230
Select the answer
2 correct answers
A.
Packets with source or destination addresses from fe80::/64 will never occur in the FORWARD chain
B.
The rules disable packet forwarding because network nodes always use addresses from fe80::/64 to identify routers in their routing tables
C.
ip6tables returns an error for the second command because the affected network is already part of another rule
D.
Both ip6tables commands complete without an error message or warning
E.
The rules suppress any automatic configuration through router advertisements or DHCPv6

Quiz

6/10
What option in the client configuration file would tell OpenVPN to use a dynamic source port when
making a connection to a peer?
Select the answer
1 correct answer
A.
src-port
B.
remote
C.
source-port
D.
nobind
E.
dynamic-bind

Quiz

7/10
Which Linux user is used by vsftpd to perform file system operations for anonymous FTP users?
Select the answer
1 correct answer
A.
The Linux user which runs the vsftpd process
B.
The Linux user that owns the root FTP directory served by vsftpd
C.
The Linux user with the same user name that was used to anonymously log into the FTP server
D.
The Linux user root, but vsftpd grants access to anonymous users only to globally read-/writeable files
E.
The Linux user specified in the configuration option ftp_username

Quiz

8/10
Which of the following sshd configuration should be set to no in order to fully disable password
based logins? (Choose two.)
Select the answer
2 correct answers
A.
PAMAuthentication
B.
ChallengegeResponseAuthentication
C.
PermitPlaintextLogin
D.
UsePasswords
E.
PasswordAuthentication

Quiz

9/10
When the default policy for the netfilter INPUT chain is set to DROP, why should a rule allowing
traffic to localhost exist?
Select the answer
1 correct answer
A.
All traffic to localhost must always be allowed
B.
It doesn’t matter; netfilter never affects packets addressed to localhost
C.
Some applications use the localhost interface to communicate with other applications
D.
syslogd receives messages on localhost
E.
The iptables command communicates with the netfilter management daemon netfilterd on localhost to create and change packet filter rules

Quiz

10/10
CORRECT TEXT
What command creates a SSH key pair? (Specify ONLY the command without any path or
parameters)
Select the answer
1 correct answer
ssh-keygen
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  • Quiz name:202-450: LPIC-2 (202)
  • Total number of questions:119
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