Free Practice Questions for LPI 102-500 Exam

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

• /etc/ssh/sshd_config
  
• /etc/ssh/ssh
  
• /etc/ssh/client
  
• /etc/ssh/ssh_config
  
• /etc/ssh/ssh_client
  

Which of the following is a valid IPv6 address?

• 2001:db8:3241::1
  
• 2001::db8:4581::1
  
• 2001:db8:0g41::1
  
• 2001%db8%9990%%1
  
• 2001.db8.819f..1
  

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

• export LANGUAGE='pt'
  
• export MESSAGE='pt'
  
• export UI_MESSAGES='pt'
  
• export LC_MESSAGES='pt'
  
• export ALL_MESSAGES='pt'
  

What is true regarding the file ~/.forward?

• As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
  
• After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.
  
• Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
  
• When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
  

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

• find /usr -uid 0 -perm +4000
  
• find -user root +mode +s /usr
  
• find -type suid -username root -d /usr
  
• find /usr -ls \*s\* -u root
  
• find /usr -suid -perm +4000
  

What of the following can be done by the command ifconfig? (Choose TWO correct answers.)

• Set a network interface active or inactive.
  
• Specify the kernel module to be used with a network interface.
  
• Allow regular users to change the network configuration of a network interface.
  
• Change the netmask used on a network interface.
  
• Specify which network services are available on a network interface.
  

What is the purpose of the Sticky Keys feature in X?

• To assist users who have difficulty holding down multiple keys at once
  
• To prevent repeated input of a single character if the key is held down
  
• To ignore brief keystrokes according to a specified time limit
  
• To repeat the input of a single character
  

What is the conventional purpose of Linux UIDs that are lower than 100?

• They are reserved for super user accounts.
  
• They are reserved for the system admin accounts.
  
• They are reserved for system accounts.
  
• They are unused, aside from 0, because they are targets of exploits.
  
• They are used to match with GIDs in grouping users.
  

What is the purpose of TCP wrapper?

• Manage and adjust bandwidth used by TCP services.
  
• Bind a network service to a TCP port.
  
• Encapsulate TCP messages in IP packets.
  
• Add SSL support to plain text TCP services.
  
• Limit access to a network service.
  

How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct answers)

• The /etc/crontab file can specify a year field.
  
• A normal crontab file must be installed with the crontab command.
  
• A normal crontab file allows for environment variable substitution.
  
• The /etc/crontab file has a user field for commands.