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LPIC-1 exam 102, Part 2 of 2, version 5.0 exam Dumps

102-500 exam Format | Course Contents | Course Outline | exam Syllabus | exam Objectives





Exam Title :
LPIC-1 Linux Administrator

Exam ID :
102-500

Exam Duration :
90 mins

Questions in exam :
60

Passing Score :
500 / 800

Exam Center :
LPI Marketplace

Real Questions :
LPI LPIC-1 Real Questions

VCE practice test :
LPI 102-500 Certification VCE Practice Test








Topic

Details






Topic 105: Shells and Shell Scripting




105.1 Customize and use the shell environment


Weight: 4

Description: Candidates should be able to customize shell environments to meet users' needs. Candidates should be able to modify global and user profiles.
Key Knowledge Areas:

- Set environment variables (e.g. PATH) at login or when spawning a new shell.

- Write Bash functions for frequently used sequences of commands.

- Maintain skeleton directories for new user accounts.

- Set command search path with the proper directory.

The following is a partial list of the used files, terms and utilities:

- .

- source

- /etc/bash.bashrc

- /etc/profile

- env

- export

- set

- unset

- ~/.bash_profile

- ~/.bash_login

- ~/.profile

- ~/.bashrc

- ~/.bash_logout

- function

- alias




105.2 Customize or write simple scripts


Weight: 4

Description: Candidates should be able to customize existing scripts, or write simple new Bash scripts.
Key Knowledge Areas:

- Use standard sh syntax (loops, tests).

- Use command substitution.

- Test return values for success or failure or other information provided by a command.

- Execute chained commands.

- Perform conditional mailing to the superuser.

- Correctly select the script interpreter through the shebang (#!) line.

- Manage the location, ownership, execution and suid-rights of scripts.

The following is a partial list of the used files, terms and utilities:

- for

- while

- test

- if

- read

- seq

- exec

- ||

- &&



Topic 106: User Interfaces and Desktops




106.1 Install and configure X11


Weight: 2

Description: Candidates should be able to install and configure X11.
Key Knowledge Areas:

- Understanding of the X11 architecture.

- Basic understanding and knowledge of the X Window configuration file.

- Overwrite specific aspects of Xorg configuration, such as keyboard layout.

- Understand the components of desktop environments, such as display managers and window managers.

- Manage access to the X server and display applications on remote X servers.

- Awareness of Wayland.
The following is a partial list of the used files, terms and utilities:

- /etc/X11/xorg.conf

- /etc/X11/xorg.conf.d/

- ~/.xsession-errors

- xhost

- xauth

- DISPLAY

- X



106.2 Graphical Desktops


Weight: 1


Description: Candidates should be aware of major Linux desktops. Furthermore, candidates should be aware of protocols used to access remote desktop sessions.


 


Key Knowledge Areas:

- Awareness of major desktop environments

- Awareness of protocols to access remote desktop sessions

The following is a partial list of the used files, terms and utilities:

- KDE

- Gnome

- Xfce

- X11

- XDMCP

- VNC

- Spice

- RDP





106.3 Accessibility


Weight: 1

Description: Demonstrate knowledge and awareness of accessibility technologies.

Key Knowledge Areas:

- Basic knowledge of visual settings and themes.

- Basic knowledge of assistive technology.

The following is a partial list of the used files, terms and utilities:

- High Contrast/Large Print Desktop Themes.

- Screen Reader.

- Braille Display.

- Screen Magnifier.

- On-Screen Keyboard.

- Sticky/Repeat keys.

- Slow/Bounce/Toggle keys.

- Mouse keys.

- Gestures.

- Voice recognition.





Topic 107: Administrative Tasks




107.1 Manage user and group accounts and related system files


Weight: 5

Description: Candidates should be able to add, remove, suspend and change user accounts.

Key Knowledge Areas:

- Add, modify and remove users and groups.

- Manage user/group info in password/group databases.

- Create and manage special purpose and limited accounts.
The following is a partial list of the used files, terms and utilities:

- /etc/passwd

- /etc/shadow

- /etc/group

- /etc/skel/

- chage

- getent

- groupadd

- groupdel

- groupmod

- passwd

- useradd

- userdel

- usermod





107.2 Automate system administration tasks by scheduling jobs


Weight: 4

Description: Candidates should be able to use cron and systemd timers to run jobs at regular intervals and to use at to run jobs at a specific time.

Key Knowledge Areas:

- Manage cron and at jobs.

- Configure user access to cron and at services.

- Understand systemd timer units.

The following is a partial list of the used files, terms and utilities:

- /etc/cron.{d,daily,hourly,monthly,weekly}/

- /etc/at.deny

- /etc/at.allow

- /etc/crontab

- /etc/cron.allow

- /etc/cron.deny

- /var/spool/cron/

- crontab

- at

- atq

- atrm

- systemctl

- systemd-run





107.3 Localisation and internationalisation


Weight: 3

Description: Candidates should be able to localize a system in a different language than English. As well, an understanding of why LANG=C is useful when scripting.

Key Knowledge Areas:

- Configure locale settings and environment variables.

- Configure timezone settings and environment variables.

The following is a partial list of the used files, terms and utilities:

- /etc/timezone

- /etc/localtime

- /usr/share/zoneinfo/

- LC_*

- LC_ALL

- LANG

- TZ

- /usr/bin/locale

- tzselect

- timedatectl

- date

- iconv

- UTF-8

- ISO-8859

- ASCII

- Unicode





Topic 108: Essential System Services




108.1 Maintain system time


Weight: 3

Description: Candidates should be able to properly maintain the system time and synchronize the clock via NTP.

Key Knowledge Areas:

- Set the system date and time.

- Set the hardware clock to the correct time in UTC.

- Configure the correct timezone.

- Basic NTP configuration using ntpd and chrony.

- Knowledge of using the pool.ntp.org service.

- Awareness of the ntpq command.

The following is a partial list of the used files, terms and utilities:

- /usr/share/zoneinfo/

- /etc/timezone

- /etc/localtime

- /etc/ntp.conf

- /etc/chrony.conf

- date

- hwclock

- timedatectl

- ntpd

- ntpdate

- chronyc

- pool.ntp.org





108.2 System logging


Weight: 4

Description: Candidates should be able to configure rsyslog. This objective also includes configuring the logging daemon to send log output to a central log server or accept log output as a central log server. Use of the systemd journal subsystem is covered. Also, awareness of syslog and syslog-ng as alternative logging systems is included.

Key Knowledge Areas:

- Basic configuration of rsyslog.

- Understanding of standard facilities, priorities and actions.

- Query the systemd journal.

- Filter systemd journal data by criteria such as date, service or priority.

- Configure persistent systemd journal storage and journal size.

- Delete old systemd journal data.

- Retrieve systemd journal data from a rescue system or file system copy.

- Understand interaction of rsyslog with systemd-journald.

- Configuration of logrotate.

- Awareness of syslog and syslog-ng.

Terms and Utilities:

- /etc/rsyslog.conf

- /var/log/

- logger

- logrotate

- /etc/logrotate.conf

- /etc/logrotate.d/

- journalctl

- systemd-cat

- /etc/systemd/journald.conf

- /var/log/journal/





108.3 Mail Transfer Agent (MTA) basics


Weight: 3

Description: Candidates should be aware of the commonly available MTA programs and be able to perform basic forward and alias configuration on a client host. Other configuration files are not covered.

Key Knowledge Areas:

- Create e-mail aliases.

- Configure e-mail forwarding.

- Knowledge of commonly available MTA programs (postfix, sendmail, exim) (no configuration).

Terms and Utilities:

- ~/.forward

- sendmail emulation layer commands

- newaliases

- mail

- mailq

- postfix

- sendmail

- exim





108.4 Manage printers and printing


Weight: 2

Description: Candidates should be able to manage print queues and user print jobs using CUPS and the LPD compatibility interface.

Key Knowledge Areas:

- Basic CUPS configuration (for local and remote printers).

- Manage user print queues.

- Troubleshoot general printing problems.

- Add and remove jobs from configured printer queues.
The following is a partial list of the used files, terms and utilities:

- CUPS configuration files, tools and utilities

- /etc/cups/

- lpd legacy interface (lpr, lprm, lpq)





Topic 109: Networking Fundamentals




109.1 Fundamentals of internet protocols


Weight: 4

Description: Candidates should demonstrate a proper understanding of TCP/IP network fundamentals.

Key Knowledge Areas:

- Demonstrate an understanding of network masks and CIDR notation.

- Knowledge of the differences between private and public "dotted quad" IP addresses.

- Knowledge about common TCP and UDP ports and services (20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995).

- Knowledge about the differences and major features of UDP, TCP and ICMP.

- Knowledge of the major differences between IPv4 and IPv6.

- Knowledge of the basic features of IPv6.

The following is a partial list of the used files, terms and utilities:

- /etc/services

- IPv4, IPv6

- Subnetting

- TCP, UDP, ICMP





109.2 Persistent network configuration


Weight: 4

Description: Candidates should be able to manage the persistent network configuration of a Linux host.

Key Knowledge Areas:

- Understand basic TCP/IP host configuration.

- Configure ethernet and wi-fi network using NetworkManager.

- Awareness of systemd-networkd.

The following is a partial list of the used files, terms and utilities:

- /etc/hostname

- /etc/hosts

- /etc/nsswitch.conf

- /etc/resolv.conf

- nmcli

- hostnamectl

- ifup

- ifdown





109.3 Basic network troubleshooting


Weight: 4

Description: Candidates should be able to troubleshoot networking issues on client hosts.

Key Knowledge Areas:

- Manually configure network interfaces, including viewing and changing the configuration of network interfaces using iproute2.

- Manually configure routing, including viewing and changing routing tables and setting the default route using iproute2.

- Debug problems associated with the network configuration.

The following is a partial list of the used files, terms and utilities:

- ip

- hostname

- ss

- ping

- ping6

- traceroute

- traceroute6

- tracepath

- tracepath6

- netcat

- ifconfig

- netstat

- route





109.4 Configure client side DNS


Weight: 2

Description: Candidates should be able to configure DNS on a client host.

Key Knowledge Areas:

- Query remote DNS servers.

- Configure local name resolution and use remote DNS servers.

- Modify the order in which name resolution is done.

- Debug errors related to name resolution.

- Awareness of systemd-resolved.

The following is a partial list of the used files, terms and utilities:

- /etc/hosts

- /etc/resolv.conf

- /etc/nsswitch.conf

- host

- dig

- getent





Topic 110: Security




110.1 Perform security administration tasks


Weight: 3

Description: Candidates should know how to review system configuration to ensure host security in accordance with local security policies.

Key Knowledge Areas:

- Audit a system to find files with the suid/sgid bit set.

- Set or change user passwords and password aging information.

- Being able to use nmap and netstat to discover open ports on a system.

- Set up limits on user logins, processes and memory usage.

- Determine which users have logged in to the system or are currently logged in.

- Basic sudo configuration and usage.

The following is a partial list of the used files, terms and utilities:

- find

- passwd

- fuser

- lsof

- nmap

- chage

- netstat

- sudo

-/etc/sudoers

- su

- usermod

- ulimit

- who, w, last





110.2 Setup host security


Weight: 3

Description: Candidates should know how to set up a basic level of host security.

Key Knowledge Areas:

- Awareness of shadow passwords and how they work.

- Turn off network services not in use.

- Understand the role of TCP wrappers.

The following is a partial list of the used files, terms and utilities:

- /etc/nologin

- /etc/passwd

- /etc/shadow

- /etc/xinetd.d/

- /etc/xinetd.conf

- systemd.socket

- /etc/inittab

- /etc/init.d/

- /etc/hosts.allow

- /etc/hosts.deny





110.3 Securing data with encryption


Weight: 4

Description: The candidate should be able to use public key techniques to secure data and communication.

Key Knowledge Areas:

- Perform basic OpenSSH 2 client configuration and usage.

- Understand the role of OpenSSH 2 server host keys.

- Perform basic GnuPG configuration, usage and revocation.

- Use GPG to encrypt, decrypt, sign and verify files.

- Understand SSH port tunnels (including X11 tunnels).

The following is a partial list of the used files, terms and utilities:

- ssh

- ssh-keygen

- ssh-agent

- ssh-add

- ~/.ssh/id_rsa and id_rsa.pub

- ~/.ssh/id_dsa and id_dsa.pub

- ~/.ssh/id_ecdsa and id_ecdsa.pub

- ~/.ssh/id_ed25519 and id_ed25519.pub

- /etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub

- /etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub

- /etc/ssh/ssh_host_ecdsa_key and ssh_host_ecdsa_key.pub

- /etc/ssh/ssh_host_ed25519_key and ssh_host_ed25519_key.pub

- ~/.ssh/authorized_keys

- ssh_known_hosts

- gpg

- gpg-agent

- ~/.gnupg/




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102-500
LPIC-1 exam 102, Part 2 of 2, version 5.0
http://killexams.com/pass4sure/exam-detail/102-500
Question: 149
Which of the following statements is true regarding systemd timer units?
A . Timer units can only be defined within a service units file.
B . The command executed by the timer is specified in the timer units [Cmd] section.
C . A dedicated system service, systemd-cron, handles the execution of timer units.
D . Timer units only exist in the system scope and are not available for users.
E . Each systemd timer unit controls a specific systemd service unit.
Answer: E
Question: 150
Which of the following connection types, as seen in nmcli connection show, may exist in NetworkManager? (Choose
three.)
A . tcp
B . ethernet
C . wifi
D . ipv6
E . bridge
Answer: B,C,E
Question: 151
HOTSPOT
You have an Exchange Server organization. The organization contains four servers.
The servers configured as shown in the following table.
You plan to upgrade the organization to Exchange Server 2016.
You need to identify which servers have functionalities that can be fully achieved by using Exchange Server 2016.
What should you identify? To answer, select the appropriate options in the answer area.
Answer:
Question: 152
What is true about the file /etc/localtime?
A . It is a plain text file containing a string such as Europe/Berlin
B . It is created and maintained by the NTP service based on the location of the systems IP address.
C . It is a symlink to /sys/device/clock/ltime and always contains the current local time.
D . After changing this file, newtzconfig has to be run to make the changes effective.
E . It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/Europe/Berlin.
Answer: E
Question: 153
Which of the following information is stored in /etc/shadow for each user?
A . The timestamp of the users last login
B . The users private SSH keys
C . The hashed password of the user
D . The numerical user ID (UID)
E . The path to the users home directory
Answer: C
Question: 154
Which of the following statements is true regarding systemd timer units?
A . Timer units can only be defined within a service units file.
B . The command executed by the timer is specified in the timer units [Cmd] section.
C . A dedicated system service, systemd-cron, handles the execution of timer units.
D . Timer units only exist in the system scope and are not available for users.
E . Each systemd timer unit controls a specific systemd service unit.
Answer: E
Question: 155
CORRECT TEXT
Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full
name of the file, including path.)
Answer: crontab
Question: 156
Which of the following is a valid IPv6 address?
A . 2001:db8:0g21::1
B . 2001::db8:4581::1
C . 2001:db8:3241::1
D . 2001%db8%9990%%1
E . 2001.db8.819f..1
Answer: C
Question: 157
How many IP addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/26?
A . 6
B . 14
C . 30
D . 62
E . 126
Answer: D
Question: 158
Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing?
(Choose three.)
A . 10.0.0.0/8
B . 127.0.0.0/8
C . 169.255.0.0/16
D . 172.16.0.0/12
E . 192.168.0.0/16
Answer: A,D,E
Question: 159
What is true about the Hop Limit field in the IPv6 header?
A . The field is not changed during the transport of a package.
B . The field is transmitted within a hop-by-hop extension header.
C . Each router forwarding the packet increases the fields value.
D . Each router forwarding the packet decreases the fields value.
E . For multicast packages, the fields value is always 1.
Answer: D
Question: 160
Which of the following information is stored in /etc/shadow for each user?
A . The timestamp of the users last login
B . The users private SSH keys
C . The hashed password of the user
D . The numerical user ID (UID)
E . The path to the users home directory
Answer: C
Question: 161
Which of the following statements is true if the UID of a regular user is identical to the GID of a group?
A . UID have precedence over GIDs, therefore the user is available while the group doesnt.
B . The user as well as the group are not available to avoid ambiguity due to the ID conflict.
C . UIDs and GIDs are independent of each other, therefore the user as well as the group are still available.
D . The user is the only member of the group, even if the group configuration contains other members.
E . GIDs have precedence over UIDs, therefore the group is available while the user isnt.
Answer: C
Question: 162
Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also
details about the query?
A . dnsq
B . hostname
C . dig
D . dnslookup
E . zoneinfo
Answer: C
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102-500 version Latest Questions

102-500 version Latest Questions :: Article Creator

chosen pupil LAB examination QUESTIONS

Biology 102 student Lab Questions These ten questions have been chosed from the Laboratory Questions submitted by students. Two of these questions (#3 and #6) were used on the remaining examination. different questions submitted by students were used on the lab exam. question #1 has been included into the lab manual.
  • think about that uncooperative co-evolution between the wolf and its prey, the rabbit, occurs. The rabbit's hopping speed increases and, in an effort to continue to exist, the wolves' highest running speed experiences selective force to increase as well.
  • In polygenic inheritance, a particular trait is affected by many genes. Wolves monitor polygenic inheritance in their operating speed. feel that operating pace is determined by the additive contributing outcomes of 5 diverse genes. each and every gene influences one trait which in flip impacts working pace.
  • think the 5 genes assess the following traits:
  • the percentage of speedy twitch (energy) vs gradual twitch (persistence) muscle fibers in muscle mass.
  • the wolf's universal muscular tissues relative to its body dimension
  • leg bone size
  • relative pace of neuron signal to muscle contraction
  • leanness of the animal
  • For each and every gene, describe the alternation which would deserve to happen in order for that gene to make a contribution to increasing the maximum running velocity. listing the costs and advantages to the particular person wolf of such alternations.
  • Gregor Johann Mendel developed two Mendelian Inheritance laws. provide a short summary of each and every legislation and state obviously under what instances every legislation applies.
  • In a particular genus of fish, Xiphophorus, exaggerated sword-like caudal fin appendages are exhibited in male fish. Molecular phylogeny of this genus, based on mitochondrial and nuclear DNA sequences, indicates that this trait has originated and been misplaced many times. The feminine fish of the genus demonstrate no such trait, and monitor an easier caudal fin constitution than the males.
  • identify the type of selection that favors the presence of the exaggerated male caudal fin extensions.
  • suggest a hypothesis (mentioning the 'premier' trigger) for the repeated origination and loss of this ordinary trait.
  • Why would a feminine Xiphophorus probably opt for a mating partner with exaggerated caudal fin extensions over one which doesn't possess this trait?
  • Fever is a common response to infection in many animals. Some lizards purposely stream to a sizzling, sunny enviornment when ill, a behavior called 'behavioral fever'. research shows that lizards, kept at heat temperatures approximating behavioral fever via manipulation of ambient temperatures, recuperate sooner from infection than lizards saved at cooler temperatures.
  • talk about the following concepts in relation to this example:
  • fees and merits of this conduct
  • surest causation of this habits
  • proximate causation of this conduct
  • within the e-book 'The Restaurant on the conclusion of the Universe', one of the Hitchhiker's e-book to the Galaxy books, Douglas Adams describes a fascinating scenario. based on the story, about two million years ago, hundreds of people from the planet Golgafrincham discovered themselves permanently marooned on a small blue planet in an retro corner of the galaxy when their area ship crashed. That planet was Earth, and those Golgafrinchams were our ancestors.
  • the use of your knowledge from BISC 102, use proof from the fossil record, cellular constitution, human anatomy and embryology to persuade a person that it's not likely that people developed on Golgafrincham and appeared suddenly in the world.
  • Adams means that the Golgafrinchams who landed right here two million years ago are very a lot the same as up to date people. the use of your figuring out of herbal choice and adaptation, clarify why it is unlikely that humans would have stayed the identical for 2 million years after their unexpected look on earth.
  • a category of biology students is requested to make up questions for the last lab examination. particular person college students submitting difficult questions will receive excessive marks on the 10% allotted to this project. If all college students post questions that are very effortless to reply, most students will do neatly on the lab examination and should get many greater marks out of 25 than the few further marks they could get out of 10 by submitting difficult lab questions.
  • From an evolutionary standpoint, will the college students create easy lab questions to benefit the complete category, or will the students create challenging inquiries to improvement themselves (and hope that the rest of the classification chooses to create handy questions)?
  • If the earth's land hundreds were to come back collectively once again to kind Pangea, would biological diversity raise, lower or live the same? provide two examples to aid your reply.
  • What facets would put an organism at an talents in this situation?
  • What points would put an organism at an obstacle in this circumstance?
  • within the butterfly Asterocampa leilia, males undertake a 'sit down and wait' approach for detecting mates. youngsters, these butterflies are ectothermic. therefore, physique orientation, posture and perch option have dramatic results on body temperature. Sitting in a method that might increase the probability of seeing a possible mate additionally maximizes heat absorption. On a scorching day, sitting in this position may end up in overheating and demise of the male.
  • How could selection affect the perch and posture male butterflies would choose on a hot day? Use the thought of tradeoffs on your dialogue.
  • Hypothetically, expect that a gaggle of men watching for mates are all genetically related. How may they reveal altruistic behaviors on a sizzling day? How would a person male advantage from such behaviors?
  • a relatively innocent spider living within the wild has a 33% possibility of surviving to breed. another spider from the equal species has a genetic mutation, giving it the outward look of a totally venomous spider. The mutant spider has an eighty% possibility of surviving to breed.
  • Why may this mutation, affecting most effective the look of the spider, be constructive to its possessor?
  • Assuming that this trait is heritable, however exhibited simplest via homozygous recessive people, how many of the offspring of the mutant spider would screen this trait if the mutant mated with a standard spider? supply each possibilities.
  • Would you expect herbal alternative to act on this trait? explain your reply.
  • invoice Nye has shown that for the Florida mole cricket Scapteriscus acletus, there's appreciable model in the intensity of calls given via males, with better people producing louder calls. He positioned 20 men in distinct sizes of bucket traps and counted the variety of trapped women interested in each male one night. His information is posted backyard the lab.
  • Calculate the selection differential for physique size all through this mating duration.
  • Loudness of the cricket music correlates with body measurement. can we then conclude from the answer in part (a) that natural choice will act to supply a rise in male measurement and hence, an increase within the intensity of the cricket's tune? Why or why now not?
  • lower back to Biology 102 domestic page.

    References


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