Lpi 102-400 Online Practice Questions and Exam Preparation

Lpi 102-400 Online Questions & Answers

• Question 1:

  Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)

  A. ssh --port 2222 example.com
  B. ssh -p 2222 example.com
  C. ssh -o Port=2222 example.com
  D. ssh -o GatewayPort=2222 example.com
  E. ssh example.com:2222
  B. ssh -p 2222 example.com
  C. ssh -o Port=2222 example.com

• Question 2:

  Which of the following commands can be used to limit the amount of memory a user may use?

  A. umask
  B. usermod
  C. ulimit
  D. passwd
  E. chage
  C. ulimit

• Question 3:

  What is a purpose of an SSH host key?

  A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.
  B. It provides the server's identity information to connecting SSH clients.
  C. It is the root key by which all user SSH keys must be signed.
  D. It authenticates any user that logs into a remote machine from the key's host.
  E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.
  B. It provides the server's identity information to connecting SSH clients.

• Question 4:

  Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

  A. sshd
  B. ssh-agent
  C. ssh-keygen
  D. ssh-add
  B. ssh-agent

• Question 5:

  Which of the following find commands will print out a list of files owned by root and with the SUID bit set in / usr?

  A. find /usr -uid 0 -perm +4000
  B. find -user root +mode +s /usr
  C. find -type suid -username root -d /usr
  D. find /usr -ls \*s\* -u root
  E. find /usr -suid -perm +4000
  A. find /usr -uid 0 -perm +4000

• Question 6:

  Which configuration file would be edited to change default options for the OpenSSH server?

  A. /etc/ssh/sshd_config
  B. /etc/ssh/ssh
  C. /etc/ssh/server
  D. /etc/ssh/ssh_config
  E. /etc/ssh/ssh_server
  A. /etc/ssh/sshd_config

• Question 7:

  When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

  A. debug
  B. lsof
  C. nessus
  D. strace
  E. traceroute
  B. lsof

• Question 8:

  Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

  A. core
  B. edquota
  C. ulimit D. quota
  C. ulimit D. quota

• Question 9:

  Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

  A. tcpd
  B. inetd
  C. fingerd
  D. mountd
  E. xinetd
  A. tcpd

• Question 10:

  Which configuration file would be edited to change the default options for outbound SSH sessions?

  A. /etc/ssh/sshd_config
  B. /etc/ssh/ssh
  C. /etc/ssh/client
  D. /etc/ssh/ssh_config
  E. /etc/ssh/ssh_client
  D. /etc/ssh/ssh_config