LPI 102-500 Dumps

It is placed in curly brackets as in Section SectionName { ... }.

It is placed between a line containing Section "SectionName" and a line containing EndSection.

It is placed between the tags

It is placed after the row [SectionName].

It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.

It is started by a user using the command startx.

It is started like any other system service by the init system.

It is started by inetd when a remote hosts connects to the X11 port.

It is started automatically when a X11 user logs in to the system console.

/etc/X11/xdm/Xsetup

/etc/X11/xdm.conf

/etc/X11/xdm/Defaults

/etc/X11/defaults.conf

xkb

atkb

GOK

xOSK

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

It reads text displayed on the screen to blind or visually impaired people.

It reads the parameters of the attached monitors and creates an appropriate X11 configuration.

It displays lines and markers to help people use speed reading techniques.

It manages and displays files that contain e-books.

sshd

ssh-agent

ssh-keygen

ssh-add

tcpd

inetd

fingerd

mountd

xinetd

It must be sent by any SSH client in addition to a user key in order to identify the client's host.

It provides the server's identity information to connecting SSH clients.

It is the root key by which all user SSH keys must be signed.

It authenticates any user that logs into a remote machine from the key's host.

It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

ssh --port 2222 example.com

ssh -p 2222 example.com

ssh -o Port=2222 example.com

ssh -o GatewayPort=2222 example.com

ssh example.com:2222

/etc/ssh/sshd_config

/etc/ssh/ssh

/etc/ssh/client

/etc/ssh/ssh_config

/etc/ssh/ssh_client

debug

lsof

nessus

strace

traceroute

ps

netstat

nslookup

ifconfig

traceroute

multi on

192.168.168.4 dns-server

hosts: files dns

include /etc/nsswitch.d/

dig

netstat

ping

route

traceroute

It would be passed to the default router 192.168.178.1 on wlan0.

It would be directly transmitted on the device eth0.

It would be passed to the default router 255.255.255.0 on eth0.

It would be directly transmitted on the device wlan0.

It would be passed to the router 192.168.1.1 on eth0.

resolv

dns

remote

files

hosts

broadcast services

interface statistics

masquerading connections

network connections

routing tables

New name servers may be added to the resolver configuration.

Network interfaces may become active or inactive.

The routing table may change.

IP addresses may change.

The system's host name may change.

export LANGUAGE=“pt”

export LC_MESSAGES=“pt”

export UI_MESSAGES=“pt”

export MESSAGE=“pt”

export ALL_MESSAGES=“pt”

mail.*/var/log/maillogmail,crit@logger.example.org

mail.*/var/log/maillogmail.critsyslog://logger.example.org

mail/var/log/maillogmail.crit@logger.example.org

mail.*/var/log/maillogmail.crit@logger.example.org

mail */var/log/maillogmail crit@logger.example.org

It is incompatible with syslog and cannot be installed on a system using regular syslog.

It only processes messages of systemd and not messages of any other tools.

It can pass log messages to syslog for further processing.

It maintains metadata such as _UID or _PID for each message.

It supports syslog facilities such as kern, user, and auth.

tcp

Ethernet

wifi

ipv6

bridge

Jane can run /bin/id only after specifying her password.

Jane can run /sbin/fdisk after specifying root’s password.

Jane can run /sbin/fdisk after specifying her password.

Jane can run /bin/kill without specifying a password.

Jane can run /bin/id without specifying her password.

The field is not changed during the transport of a package.

The field is transmitted within a hop-by-hop extension header.

Each router forwarding the packet increases the field’s value.

Each router forwarding the packet decreases the field’s value.

For multicast packages, the field’s value is always 1.

Connecting local USB devices to remote applications.

Accessing graphical applications on a remote host.

Replacing Xorg as local X11 server.

Downloading and locally installing applications from a remote machine.

Uploading and running a binary program on a remote machine.

Year

Minute

Username

Effective group ID

Command

cupsreject -c -r hello HPLaserjet4

cupsreject -p -m hello HPLaserjet4

cupsdisable -c -r hello HPLaserjet4

cupsdisable -p -m hello HPLaserjet4

Because the conversion of Unix timestamps to local time relies on the time zone configuration.

Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.

Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.

Because NTP chooses servers nearby based on the configured time zone.

It is the primary management command for the NTP time server.

It updates the local system's date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

It queries one or more NTP time servers and adjusts the system time accordingly.

It sends the local system time to one or many remote NTP time servers for redistribution.

It can be used by any user to set the user clock independently of the system clock.

Postfix

Procmail

Sendmail

Exim

SMTPd

It fetches new emails from a remote server using POP3 or IMAP.

It is a multi-user mailing list manager.

It is a proprietary tool contained only in the qmail MTA.

It queries the mail queue of the local MTA.

It is a command-line based tool for reading and writing emails.

lpd

lpp

lpq

lpr

--from=

--since=

--until=

--upto=

--date=

cat

convert

dd

iconv

utf2utf

The list of users that belong to the group.

The home directory of the group.

The name of the group.

The description of the group.

The password of the group.

/etc/pgroup

/etc/shadow

/etc/group

/etc/passwd

/etc/gshadow

Every user may have their own crontab.

Changing a crontab requires a reload/restart of the cron daemon.

The cron daemon reloads crontab files automatically when necessary.

hourly is the same as "0 * * * *".

A cron daemon must run for each existing crontab.

*

-

s

x

cat

convert

dd

iconv

utf2utf

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.

The number of days since January 1, 1970 after which the user's account will no longer be accessible.

The number of days since January 1, 1970 after which the password can change.

The number of days since January 1, 1970 since the password was last changed.

The maximum number of days during which a password is valid.

The number of days of inactivity after a password has expired before the account is locked.

export $VARIABLE

export VARIABLE

set $VARIABLE

set VARIABLE

env VARIABLE

It contains the welcome message that is displayed after login.

It contains security profiles defining which users are allowed to log in.

It contains environment variables that are set when a user logs in.

It contains default application profiles for users that run an application for the first time.

mydate="$(date)"

mydate="exec date"

mydate="$((date))"

mydate="date"

mydate="${date}"

It is the process ID of the echo command.

It is the process ID of the current shell.

It is the exit value of the command executed immediately before echo.

It is the exit value of the echo command.