Simulacro 2: Certificacion LPI - 102

1

What kind of hardware is represented by the device name /dev/hda?

1

What file should you query to determine whether there is an IRQ conflict on your system?

1

Which of the following are arguments you can pass to the kernel at boot time
to tell it to start in runlevel 1 (single-user mode)? (Select two)

1

Which process is referred to as the “mother of all processes” and always has PID 1?

1

What is the command to delete the default gateway from the system IP routing table?
(Choose TWO correct answers.)

1

What is true regarding a default route?

1

What is true regarding TCP port 23?

1

Which of the following IPv4 networks are reserved by IANA for private address assignment
and private routing? (Choose THREE correct answers.)

1

Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

1

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a
source for host name lookups? (Choose TWO correct answers.)

1

Which of the following may occur as a consequence of using the command ifconfig?
(Choose THREE correct answers.)

1

What is the purpose of the nsswitch.conf file?

1

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

1

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?

1

With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)

1

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

1

What is a purpose of an SSH host key?

1

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

1

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

1

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

1

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

1

What environment variable holds the list of all directories that are searched by
the shell when you type a command name?

1

In the bash shell, entering the !! command has the same effect as which one of
the following (assuming bash is in emacs mode)?

1

Name the command that displays pages from the online user’s manual and command reference.

1

Which of the following commands displays the comments from a bash script?
Select all that apply.

1

Which one of the following answers creates an environment variable VAR1,
present in the environment of a bash child process?

1

What SQL command is used to modify data present in a table?

1

What output will the following command generate: seq -s";" -w 1 10

1

Adam wants to protect himself from inadvertently overwriting files when copy-
ing them, so he wants to alias cp to prevent overwrite. How should he go about
this? Select one.

1

Consider the following script, stored in a file with proper modes for execution:
#!/bin/bash
for $v1 in a1 a2
do
echo $v1
done
Which one of the following best represents the output produced on a terminal
by this script?

1

Monica consults the /etc/passwd file expecting to find encrypted passwords for
all of the users on her system. She sees the following:
jdoe:x:500:500::/home/jdoe:/bin/bash
bsmith:x:501:501::/home/bsmith:/bin/tcsh
Which of the following is true? Select one.

1

What is the main configuration file for X Windows?

1

What file in the user’s home directory will an X Windows application look to
for configuration settings such as color and video mode?

1

What is the protocol XDMCP used for?

1

Which of the following are not commonly used display managers for X Windows? Choose two.

1

Emacspeak is:

1

Which one of the following outcomes results from the following command?
# chmod g+s /home/software

1

Which one of these files determines how messages are stored using syslogd?

1

Where are mail logs usually stored in a standard syslog setup?

1

How many hosts can exist on a subnet with mask 255.255.255.128? Select one.

1

For an Internet workstation with a single network interface, what routes must
be added to interface eth0 after it is initialized? Select one.

1

On a Linux server, what service is most likely “listening” on port 25? Select one.

1

Which one of these protocols is a Layer 4 connection-oriented protocol? Select one.

1

Which command will display information about Ethernet interface eth0? Select one.

1

What does the printcap entry sd indicate? Select one.

1

Which of the following is a valid entry in /etc/fstab for a remote NFS mount
from server fs1? Select one.

1

Which network protocol is used by SSH and FTP? Select one.

1

Which of the following programs will display DNS information for a host?
Choose all that apply.

1

Which of the following statements regarding the ICMP protocol is not true?
Select one.

1

What server daemon resolves domain names to IP addresses for requesting hosts?

1

What function does a print filter serve? Select one.

1

Consider the following excerpt from the file /etc/resolv.conf on a Linux workstation:
nameserver 127.0.0.1
nameserver 192.168.1.5
nameserver 192.168.250.2
What can be said about this configuration? Select one.

1

Name the file that contains simple mappings between IP addresses and system names.

1

What program can be used to interactively change the behavior of a print queue? Select one.

1

What program will display a list of each hop across the network to a specified destination? Select one.

1

What is the system-wide bash configuration file called? Include the entire path.

1

Consider the following line from /etc/passwd:
adamh:x:500:1000:Adam Haeder:/home/adamh:/bin/bash
What does the number 1000 mean?

1

Consider the following trivial script called myscript:
#!/bin/bash
echo "Hello"
echo $myvar
Also consider this command sequence and result:
# set myvar='World'
# ./myscript
Hello
The script ran without error but didn’t echo World. Why not? Select one.

1

How does a process indicate to the controlling shell that it has exited with an error condition? Select one.

1

How can a nonprivileged user configure sendmail to forward mail to another account? Select one.

Test sobre Simulacro 2: Certificacion LPI - 102, creado por Carlos Alberto Jara Alva el 26/07/2022.

Simulacro 2: Certificacion LPI - 102

Simulacro 2: Certificacion LPI - 102

What kind of hardware is represented by the device name /dev/hda?

What file should you query to determine whether there is an IRQ conflict on your system?

Which of the following are arguments you can pass to the kernel at boot time to tell it to start in runlevel 1 (single-user mode)? (Select two)

Which process is referred to as the “mother of all processes” and always has PID 1?

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

What is true regarding a default route?

What is true regarding TCP port 23?

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)

What is the purpose of the nsswitch.conf file?

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

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?

With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)

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

What is a purpose of an SSH host key?

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

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

Which of the following are arguments you can pass to the kernel at boot time
to tell it to start in runlevel 1 (single-user mode)? (Select two)

What is the command to delete the default gateway from the system IP routing table?
(Choose TWO correct answers.)

Which of the following IPv4 networks are reserved by IANA for private address assignment
and private routing? (Choose THREE correct answers.)

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a
source for host name lookups? (Choose TWO correct answers.)

Which of the following may occur as a consequence of using the command ifconfig?
(Choose THREE correct answers.)

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

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?

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

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

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

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

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

What environment variable holds the list of all directories that are searched by
the shell when you type a command name?

In the bash shell, entering the !! command has the same effect as which one of
the following (assuming bash is in emacs mode)?

Which of the following commands displays the comments from a bash script?
Select all that apply.

Which one of the following answers creates an environment variable VAR1,
present in the environment of a bash child process?

Adam wants to protect himself from inadvertently overwriting files when copy-
ing them, so he wants to alias cp to prevent overwrite. How should he go about
this? Select one.

Consider the following script, stored in a file with proper modes for execution:
#!/bin/bash
for $v1 in a1 a2
do
echo $v1
done
Which one of the following best represents the output produced on a terminal
by this script?

Monica consults the /etc/passwd file expecting to find encrypted passwords for
all of the users on her system. She sees the following:
jdoe:x:500:500::/home/jdoe:/bin/bash
bsmith:x:501:501::/home/bsmith:/bin/tcsh
Which of the following is true? Select one.

What file in the user’s home directory will an X Windows application look to
for configuration settings such as color and video mode?

Which one of the following outcomes results from the following command?
# chmod g+s /home/software