Lpi LPI Certifications 202-450 Questions & Answers

• Question 301:

  Which of the following recipes will append emails from "root" to the "rootmails" mailbox?

  A. :0c: rootmails

  * ^From.*root

  B. :0c:

  * ^From.*root

  rootmails

  C. :0c:

  * ^From=root

  rootmails

  D. :0c:

  * ^From=*root

  rootmails

  E. :0c: $From=$root rootmails

  Correct Answer: B

• Question 302:

  Which of the following options can be passed to a DHCP client machine using configuration options on the DHCP server?

  A. The NIS domain name

  B. The resolving order in /etc/resolv.conf

  C. The priority order in nsswitch.conf

  D. The filter rules for iptables

  E. The contents of hosts.allow and hosts.deny

  Correct Answer: A

• Question 303:

  What is the purpose of a PTR record?

  A. To provide name to IP resolution.

  B. To provide IP to name resolution.

  C. To direct email to a specific host.

  D. To provide additional host information.

  E. To direct clients to another nameserver.

  Correct Answer: B

• Question 304:

  Which files are read by the lsdev command? (Please specify THREE answers)

  A. /proc/dma

  B. /proc/filesystems

  C. /proc/interrupts

  D. /proc/ioports

  E. /proc/swaps

  Correct Answer: ACD

• Question 305:

  Which is a valid Squid option to define a listening port?

  A. port = 3128

  B. http-listen-port=3128

  C. http_port 3128

  D. squid_port 3128

  Correct Answer: C

• Question 306:

  Which environment variables are used by ssh-agent? (Please select TWO variables)

  A. SSH_AGENT_KEY

  B. SSH_AGENT_SOCK

  C. SSH_AGENT_PID

  D. SSH_AUTH_SOCK

  E. SSH_AUTH_PID

  Correct Answer: BC

• Question 307:

  Why is the root file system mounted read-only during boot and remounted with write permission later on?

  A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

  B. Because this way crackers cannot collect information about root with boot sniffers

  C. To avoid writing to the disk, unless the root password is known.

  D. To avoid other operating systems overwriting the Linux root partition

  E. Because the disk has its own write protection that cannot change by the operating system.

  Correct Answer: A

• Question 308:

  What command is used to print NFS kernel statistics? (Provide the command with or without complete path)

  A. nfsstat

  Correct Answer: A

• Question 309:

  What is the name of the module in Apache that provides the HTTP Basic Authentication functionality? (Please provide ONLY the module name)

  A. mod_auth

  Correct Answer: A

• Question 310:

  A security-conscious 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

  Correct Answer: AD