Lpi LPI Certifications 202-450 Questions & Answers

• Question 161:

  Which of the following commands can gather entries from the specified administrative NIS database group?

  A. ypserv group

  B. getent group

  C. rpcinfo group

  D. ypbind group

  E. yppoll group

  Correct Answer: B

• Question 162:

  Which file can be used to make sure that procmail is used to filter a user's incoming email?

  A. ${HOME}/.procmail

  B. ${HOME}/.forward

  C. ${HOME}/.bashrc

  D. /etc/procmailrc

  E. /etc/aliases

  Correct Answer: B

• Question 163:

  What command would be used to configure the interface eth1:1 with the IP address 10 10.34 and the netmask 255.255.255.0?

  A. ifconfig eth1:1 10.10.3.4 netmask 255.255.255.0 start

  B. ifconfig 10.10.3.4 netmask 255.255.255.0 eth1:1 up

  C. ifconfig eth1:1 10.10.3.4 netmask 255.255.255.0 up

  D. ifconfig 10.10.3.4/255.255.255.0 eth1:1 up

  E. ifconfig eth1:1 10.10.3.4/255.255.255.0 up

  Correct Answer: C

• Question 164:

  Which TWO of the following statements about the tcp_wrappers configuration files are correct?

  A. Both files must be edited, to get tcp_wrappers to work properly

  B. It is possible to configure tcp_wrappers using just one file

  C. (x) inetd requires these files

  D. All programs that provide network services use these files to control access

  E. tcpd uses these files to control access to network services

  Correct Answer: BE

• Question 165:

  A server with 2 network interfaces, eth0 and eth1, should act as a router. eth0 has the IP address 192.168.0.1 in the subnet 192.168.0.1/24 and eth1 has the IP address 10.0.0.1 in the subnet 10.0.0.0/16.

  The routing table looks fine, but no data is traversing the networks. Which TWO of the following need to be done?

  A. Enable IP forwarding with echo "1" > /proc/sys/net/ipv4/ip_forward

  B. Add new firewall chains to handle inbound and outbound traffic on both interfaces.

  C. Reconfigure the firewall rules to allow traffic to traverse the networks.

  D. The routing table needs to be restarted, for the changes to take effect.

  E. The server needs to be restarted, for the changes to take effect.

  Correct Answer: AC

• Question 166:

  Which of the following defines the maximum allowed article size in the configuration file for INN?

  A. limitartsize

  B. artsizelimit

  C. maxartlimit

  D. maxartsize

  E. setartlimit

  Correct Answer: D

• Question 167:

  Where is the user foo's procmail configuration stored, if home directories are stored in /home? Please enter the complete path to the file.

  A. /home/foo/.procmailrc

  Correct Answer: A

• Question 168:

  A user is on holiday for two weeks. Anyone sending an email to that account should receive an autoresponse.

  Which of the following procmail rules should be used, so that all incoming emails are processed by vacation?

  A. :0c: | /usr/bin/vacation nobody

  B. :w | /usr/bin/vacation nobody

  C. :0fc: |/usr/bin/vacation nobody

  D. | /usr/bin/vacation nobody

  E. :> |/usr/bin/vacation nobody

  Correct Answer: A

• Question 169:

  What must be done on a host to allow a user to log in to that host using an SSH key?

  A. Add their private key to ~/. ssh/authorized_keys

  B. Reference their public key in ~/. ssh/config

  C. Run ssh-agent on that host

  D. Add their public key to ~/. ssh/authorized_keys

  E. Reference their private key in ~/. ssh/config

  Correct Answer: D

• Question 170:

  Which program lists information about files opened by processes and produces output that can be parsed by other programs?

  A. lsof

  Correct Answer: A