Lpi LPI Certifications 202-450 Questions & Answers

• Question 321:

  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 maintenance 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.

  Correct Answer: A

• Question 322:

  You have to mount the /data filesystem from an NFS server(srvl) that does not support locking. Which of the following mount commands should you use?

  A. mount -a -t nfs

  B. mount -o locking=off srvl:/data /mnt/data

  C. mount -o nolocking srvl:/data /mnt/data

  D. mount -o nolock srvl:/data /mnt/data

  E. mount -o nolock /data@srvl /mn/data

  Correct Answer: D

• Question 323:

  Users in the acl named 'sales_net' must only be allowed to access to the Internet at times specified in the time_acl named 'sales_time'. Which is the correct http_access directive, to configure this?

  A. http_access deny sales_time sales_net

  B. http_access allow sales_net sales_time

  C. http_access allow sales_net and sales_time

  D. allow http_access sales_net sales_time

  E. http_access sales_net sales_time

  Correct Answer: B

• Question 324:

  In a PAM configuration file, a sufficient control allows access:

  A. Immediately on success, if no previous required or requisite control failed

  B. Immediately on success, regardless of other controls

  C. After waiting if all other controls return success

  D. Immediately, but only if the user is root

  Correct Answer: A

• Question 325:

  Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24?

  

  A. route del 10.10.1.0

  B. route del 10.10.1.0/24

  C. route del - net 10.10.1.0/24

  D. route del 10.10.1.0/24 gw 192.168.246.11

  E. route del -net 10.10.1.0

  Correct Answer: C

• Question 326:

  Instead of running the command echo 1 >/proc/sys/net/ipv4/ip_forward, the configuration setting is going to be added to /etc/sysctl.conf. What is the missing value in the configuration line below? (Please specify only the missing value)

  A. net.ipv4.ip_forward

  Correct Answer: A

• Question 327:

  Which entry in the .procmailrc file will send a copy of an email to another mail address?

  A. :0 c

  B. :0 copy

  C. :c

  D. :copy

  E. :s

  Correct Answer: A

• Question 328:

  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

  Correct Answer: D

• Question 329:

  Which setting in the Courier IMAP configuration file will tell the IMAP daemon to only listen on the localhost interface?

  A. ADDRESS=127.0.0.1

  B. Listen 127.0.0.1

  C. INTERFACE=127.0.0.1

  D. LOCALHOST_ONLY=1

  Correct Answer: A

• Question 330:

  Which of these ways can be used to only allow access to a DNS server from specified networks/hosts?

  A. Using the limit{...;};statement in the named configuration file.

  B. Using the allow-query{...;};statement in the named configuration file.

  C. Using the answer only{...;};statement in the named configuration file.

  D. Using the answer{...;};statement in the named configuration file.

  E. Using the query access{...;};statement in the named configuration file.

  Correct Answer: B