Lpi 202-450 Online Practice Questions and Exam Preparation

Lpi 202-450 Online Questions & Answers

• Question 1:

  Which file on a Postfix server modifies the sender address for outgoing e-mails? Please enter only the file name without the path

  A. sender_canonical
  A. sender_canonical

• Question 2:

  A procmail recipe is required to delete all emails marked as spam. Please complete the recipe. :0:

  *

  X-Spam-Status: Yes

  A. /dev/null
  A. /dev/null

• Question 3:

  What command must be used to create an SSH key-pair? Please enter the command without the path or any options or parameters.

  A. ssh-keygen
  A. ssh-keygen

• Question 4:

  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
  B. ${HOME}/.forward

• Question 5:

  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
  B. getent group

• Question 6:

  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
  B. It is possible to configure tcp_wrappers using just one file
  E. tcpd uses these files to control access to network services

• Question 7:

  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
  C. ifconfig eth1:1 10.10.3.4 netmask 255.255.255.0 up

• Question 8:

  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.
  A. Enable IP forwarding with echo "1" > /proc/sys/net/ipv4/ip_forward
  C. Reconfigure the firewall rules to allow traffic to traverse the networks.

• Question 9:

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

• Question 10:

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