Latest PDF of 303-200: LPIC-3 test 303: Security, version 2.0

LPIC-3 test 303: Security, version 2.0 - 2025 Practice Test

303-200 test Format | Course Contents | Course Outline | test Syllabus | test Objectives

Exam Title :
LPIC-3 Security
Exam ID :
303-200
Exam Duration :
90 mins
Questions in test :
60
Passing Score :
500 / 800
Exam Center :
LPI Marketplace
Real Questions :
LPI LPIC-3 Real Questions
VCE VCE test :
LPI 303-200 Certification VCE Practice Test

Topic 325: Cryptography

325.1 X.509 Certificates and Public Key Infrastructures
Weight: 5
Description: Candidates should understand X.509 certificates and public key infrastructures. They should know how to configure and use OpenSSL to implement certification authorities and issue SSL certificates for various purposes.
Key Knowledge Areas:

- Understand X.509 certificates, X.509 certificate lifecycle, X.509 certificate fields and X.509v3 certificate extensions

- Understand trust chains and public key infrastructures

- Generate and manage public and private keys

- Create, operate and secure a certification authority

- Request, sign and manage server and client certificates

- Revoke certificates and certification authorities
The following is a partial list of the used files, terms and utilities:

- openssl, including relevant subcommands

- OpenSSL configuration

- PEM, DER, PKCS

- CSR

- CRL

- OCSP

325.2 X.509 Certificates for Encryption, Signing and Authentication

Weight: 4
Description: Candidates should know how to use X.509 certificates for both server and client authentication. Candidates should be able to implement user and server authentication for Apache HTTPD. The version of Apache HTTPD covered is 2.4 or higher.
Key Knowledge Areas:

- Understand SSL, TLS and protocol versions

- Understand common transport layer security threats, for example Man-in-the-Middle

- Configure Apache HTTPD with mod_ssl to provide HTTPS service, including SNI and HSTS

- Configure Apache HTTPD with mod_ssl to authenticate users using certificates

- Configure Apache HTTPD with mod_ssl to provide OCSP stapling

- Use OpenSSL for SSL/TLS client and server tests
Terms and Utilities:

- Intermediate certification authorities

- Cipher configuration (no cipher-specific knowledge)

- httpd.conf

- mod_ssl

- openssl

325.3 Encrypted File Systems

Weight: 3
Description: Candidates should be able to setup and configure encrypted file systems.
Key Knowledge Areas:

- Understand block device and file system encryption

- Use dm-crypt with LUKS to encrypt block devices

- Use eCryptfs to encrypt file systems, including home directories

- PAM integration

- Be aware of plain dm-crypt and EncFS
Terms and Utilities:

- cryptsetup

- cryptmount

- /etc/crypttab

- ecryptfsd

- ecryptfs-* commands

- mount.ecryptfs, umount.ecryptfs

- pam_ecryptfs

325.4 DNS and Cryptography

Weight: 5
Description: Candidates should have experience and knowledge of cryptography in the context of DNS and its implementation using BIND. The version of BIND covered is 9.7 or higher.
Key Knowledge Areas:

- Understanding of DNSSEC and DANE

- Configure and troubleshoot BIND as an authoritative name server serving DNSSEC secured zones

- Configure BIND as an recursive name server that performs DNSSEC validation on behalf of its clients

- Key Signing Key, Zone Signing Key, Key Tag

- Key generation, key storage, key management and key rollover

- Maintenance and re-signing of zones

- Use DANE to publish X.509 certificate information in DNS

- Use TSIG for secure communication with BIND
Terms and Utilities:

- DNS, EDNS, Zones, Resource Records

- DNS resource records: DS, DNSKEY, RRSIG, NSEC, NSEC3, NSEC3PARAM, TLSA

- DO-Bit, AD-Bit

- TSIG

- named.conf

- dnssec-keygen

- dnssec-signzone

- dnssec-settime

- dnssec-dsfromkey

- rndc

- dig

- delv

- openssl

Topic 326: Host Security

326.1 Host Hardening

Weight: 3
Description: Candidates should be able to secure computers running Linux against common threats. This includes kernel and software configuration.
Key Knowledge Areas:

- Configure BIOS and boot loader (GRUB 2) security

- Disable useless software and services

- Use sysctl for security related kernel configuration, particularly ASLR, Exec-Shield and IP / ICMP configuration

- Exec-Shield and IP / ICMP configuration

- Limit resource usage

- Work with chroot environments

- Drop unnecessary capabilities

- Be aware of the security advantages of virtualization
Terms and Utilities:

- grub.cfg

- chkconfig, systemctl

- ulimit

- /etc/security/limits.conf

- pam_limits.so

- chroot

- sysctl

- /etc/sysctl.conf

326.2 Host Intrusion Detection

Weight: 4
Description: Candidates should be familiar with the use and configuration of common host intrusion detection software. This includes updates and maintenance as well as automated host scans.
Key Knowledge Areas:

- Use and configure the Linux Audit system

- Use chkrootkit

- Use and configure rkhunter, including updates

- Use Linux Malware Detect

- Automate host scans using cron

- Configure and use AIDE, including rule management

- Be aware of OpenSCAP
Terms and Utilities:

- auditd

- auditctl

- ausearch, aureport

- auditd.conf

- auditd.rules

- pam_tty_audit.so

- chkrootkit

- rkhunter

- /etc/rkhunter.conf

- maldet

- conf.maldet

- aide

- /etc/aide/aide.conf

326.3 User Management and Authentication

Weight: 5
Description: Candidates should be familiar with management and authentication of user accounts. This includes configuration and use of NSS, PAM, SSSD and Kerberos for both local and remote directories and authentication mechanisms as well as enforcing a password policy.
Key Knowledge Areas:

- Understand and configure NSS

- Understand and configure PAM

- Enforce password complexity policies and periodic password changes

- Lock accounts automatically after failed login attempts

- Configure and use SSSD

- Configure NSS and PAM for use with SSSD

- Configure SSSD authentication against Active Directory, IPA, LDAP, Kerberos and local domains

- Kerberos and local domains

- Obtain and manage Kerberos tickets
Terms and Utilities:

- nsswitch.conf

- /etc/login.defs

- pam_cracklib.so

- chage

- pam_tally.so, pam_tally2.so

- faillog

- pam_sss.so

- sssd

- sssd.conf

- sss_* commands

- krb5.conf

- kinit, klist, kdestroy

326.4 FreeIPA Installation and Samba Integration

Weight: 4
Description: Candidates should be familiar with FreeIPA v4.x. This includes installation and maintenance of a server instance with a FreeIPA domain as well as integration of FreeIPA with Active Directory.
Key Knowledge Areas:

- Understand FreeIPA, including its architecture and components

- Understand system and configuration prerequisites for installing FreeIPA

- Install and manage a FreeIPA server and domain

- Understand and configure Active Directory replication and Kerberos cross-realm trusts

- Be aware of sudo, autofs, SSH and SELinux integration in FreeIPA
Terms and Utilities:

- 389 Directory Server, MIT Kerberos, Dogtag Certificate System, NTP, DNS, SSSD, certmonger

- ipa, including relevant subcommands

- ipa-server-install, ipa-client-install, ipa-replica-install

- ipa-replica-prepare, ipa-replica-manage

Topic 327: Access Control

327.1 Discretionary Access Control

Weight: 3
Description: Candidates are required to understand Discretionary Access Control and know how to implement it using Access Control Lists. Additionally, candidates are required to understand and know how to use Extended Attributes.
Key Knowledge Areas:

- Understand and manage file ownership and permissions, including SUID and SGID

- Understand and manage access control lists

- Understand and manage extended attributes and attribute classes
Terms and Utilities:

- getfacl

- setfacl

- getfattr

- setfattr

327.2 Mandatory Access Control

Weight: 4
Description: Candidates should be familiar with Mandatory Access Control systems for Linux. Specifically, candidates should have a thorough knowledge of SELinux. Also, candidates should be aware of other Mandatory Access Control systems for Linux. This includes major features of these systems but not configuration and use.
Key Knowledge Areas:

- Understand the concepts of TE, RBAC, MAC and DAC

- Configure, manage and use SELinux

- Be aware of AppArmor and Smack
Terms and Utilities:

- getenforce, setenforce, selinuxenabled

- getsebool, setsebool, togglesebool

- fixfiles, restorecon, setfiles

- newrole, runcon

- semanage

- sestatus, seinfo

- apol

- seaudit, seaudit-report, audit2why, audit2allow

- /etc/selinux/*

327.3 Network File Systems

Weight: 3
Description: Candidates should have experience and knowledge of security issues in use and configuration of NFSv4 clients and servers as well as CIFS client services. Earlier versions of NFS are not required knowledge.
Key Knowledge Areas:

- Understand NFSv4 security issues and improvements

- Configure NFSv4 server and clients

- Understand and configure NFSv4 authentication mechanisms (LIPKEY, SPKM, Kerberos)

- Understand and use NFSv4 pseudo file system

- Understand and use NFSv4 ACLs

- Configure CIFS clients

- Understand and use CIFS Unix Extensions

- Understand and configure CIFS security modes (NTLM, Kerberos)

- Understand and manage mapping and handling of CIFS ACLs and SIDs in a Linux system
Terms and Utilities:

- /etc/exports

- /etc/idmap.conf

- nfs4acl

- mount.cifs parameters related to ownership, permissions and security modes

- winbind

- getcifsacl, setcifsacl

Topic 328: Network Security

328.1 Network Hardening

Weight: 4
Description: Candidates should be able to secure networks against common threats. This includes verification of the effectiveness of security measures.
Key Knowledge Areas:

- Configure FreeRADIUS to authenticate network nodes

- Use nmap to scan networks and hosts, including different scan methods

- Use Wireshark to analyze network traffic, including filters and statistics

- Identify and deal with rogue router advertisements and DHCP messages
Terms and Utilities:

- radiusd

- radmin

- radtest, radclient

- radlast, radwho

- radiusd.conf

- /etc/raddb/*

- nmap

- wireshark

- tshark

- tcpdump

- ndpmon

328.2 Network Intrusion Detection

Weight: 4
Description: Candidates should be familiar with the use and configuration of network security scanning, network monitoring and network intrusion detection software. This includes updating and maintaining the security scanners.
Key Knowledge Areas:

- Implement bandwidth usage monitoring

- Configure and use Snort, including rule management

- Configure and use OpenVAS, including NASL
Terms and Utilities:

- ntop

- Cacti

- snort

- snort-stat

- /etc/snort/*

- openvas-adduser, openvas-rmuser

- openvas-nvt-sync

- openvassd

- openvas-mkcert

- /etc/openvas/*

328.3 Packet Filtering

Weight: 5
Description: Candidates should be familiar with the use and configuration of packet filters. This includes netfilter, iptables and ip6tables as well as basic knowledge of nftables, nft and ebtables.
Key Knowledge Areas:

- Understand common firewall architectures, including DMZ

- Understand and use netfilter, iptables and ip6tables, including standard modules, tests and targets

- Implement packet filtering for both IPv4 and IPv6

- Implement connection tracking and network address translation

- Define IP sets and use them in netfilter rules

- Have basic knowledge of nftables and nft

- Have basic knowledge of ebtables

- Be aware of conntrackd
Terms and Utilities:

- iptables

- ip6tables

- iptables-save, iptables-restore

- ip6tables-save, ip6tables-restore

- ipset

- nft

- ebtables

328.4 Virtual Private Networks

Weight: 4
Description: Candidates should be familiar with the use of OpenVPN and IPsec.
Key Knowledge Areas:

- Configure and operate OpenVPN server and clients for both bridged and routed VPN networks

- Configure and operate IPsec server and clients for routed VPN networks using IPsec-Tools / racoon

- Awareness of L2TP
Terms and Utilities:

- /etc/openvpn/*

- openvpn server and client

- setkey

- /etc/ipsec-tools.conf

- /etc/racoon/racoon.conf

100% Money Back Pass Guarantee

303-200 PDF sample Questions

303-200 sample Questions

303-200 Dumps
303-200 Braindumps
303-200 Real Questions
303-200 Practice Test
303-200 genuine Questions
killexams.com
LPI
303-200
LPIC-3 test 303: Security, version 2.0 - 2025
https://killexams.com/pass4sure/exam-detail/303-200
QUESTION: 54
Which of the following commands adds a new user usera to FreelPA?
1. useradd usera --directory ipa --gecos *User A"
2. idap- useradd --H ldaps://ipa-server CN=UserA --attribs "Firstname: User: Lastname: A"
3. ipa-admin create user --account usera -_fname User --iname A
4. ipa user-add usera --first User --last A
5. ipa-user- add usera --name "User A"
Answer: D
QUESTION: 55
Which of the following keywords are built-in chairs for the iptables nat table? (Choose THREE correct answers)
1. OUTPUT
2. MASQUERADE
3. PROCESSING
4. POSTROUTING
5. PREROUTING
Answer: A, D, E
QUESTION: 56
Which of the following statements are true regarding the certificate of a Root CA?
1. It is a self-signed certificate.
2. It does not include the private key of the CA
3. It must contain a host name as the common name.
4. It has an infinite lifetime and never expires.
Answer: A, B, E
QUESTION: 57
Which DNS label points to the DANE information used to secure HTTPS connections to https://www.example.com/?
1. example.com
2. dane.www.example.com
3. soa.example com
4. www.example.com
5. _443_tcp.www example.com
Answer: E
QUESTION: 58
Which of the following database names can be used within a Name Service Switch (NSS) configuration file? (Choose THREE correct answers).
1. host
2. shadow
3. service
4. passwd
5. group
Answer: A, C, E
QUESTION: 59
Which of the following commands changes the source IP address to 192.0.2.11 for all IPv4 packets which go through the network interface eth0?
1. iptables ~t nat -A POSTROUTING ~o eth0 -j SNAT -to-source 192.0.2.11
2. iptables ~t nat -A PREROUT1NG -\ eth0 -j SNAT -to-source 192.0.2.11
3. iptables -t nat -A POSTROUTING H eth0 -j DNAT -to-source 192.0.2.11
4. iptables -t mangle -A POSTROUTING -i eth0 -j SNAT -to-source 192.0.2.11
Answer: A
QUESTION: 60
What option of mount.cifs specifies the user that appears as the local owner of the files of a mounted CIFS share when the server does not provide ownership information? (Specify ONLY the option name without any values or parameters.)
Answer: uld=arg http://linux.die.net/man/8/mount.cifs

Killexams VCE test Simulator 3.0.9

Download Killexams-Exam-Simulator-3.0.9.rar

Killexams has introduced Online Test Engine (OTE) that supports iPhone, iPad, Android, Windows and Mac. 303-200 Online Testing system will helps you to study and practice using any device. Our OTE provide all features to help you memorize and VCE test Braindumps while you are travelling or visiting somewhere. It is best to Practice 303-200 test Questions so that you can answer all the questions asked in test center. Our Test Engine uses Questions and Answers from genuine LPIC-3 test 303: Security, version 2.0 - 2025 exam.

Killexams Online Test Engine Test Screen

Killexams Online Test Engine Progress Chart

Killexams Online Test Engine Test History Graph

Killexams Online Test Engine Performance History

Killexams Online Test Engine Result Details

Online Test Engine maintains performance records, performance graphs, explanations and references (if provided). Automated test preparation makes much easy to cover complete pool of questions in fastest way possible. 303-200 Test Engine is updated on daily basis.

Free download account of killexams.com 303-200 PDF Questions

There may be 303-200 Exam Questions from which LPI selects a variety of questions for you to answer in the real LPIC-3 test 303: Security, version 2.0 - 2025 exam. We provide the complete pool of 303-200 questions so that you do not miss any question in the genuine LPIC-3 test 303: Security, version 2.0 - 2025 exam. You can obtain 100% free Study Guide before deciding to register for a full copy of 303-200 Question Bank.

Latest 2025 Updated 303-200 Real test Questions

In [YEAR], there were a number of upgrades and changes made to 303-200, and we have kept track of all of them for our PDF Questions. Our updated 303-200 braindumps for [YEAR] are guaranteed to help you succeed in the genuine exam. We recommend going through the entire dumps collection at least once before taking the real test, not just because they use our real questions, but because it will Strengthen your understanding. With our braindumps, people can work as professionals in a real-world setting. Our focus is not only on passing the 303-200 test, but also on enhancing knowledge of 303-200 courses and objectives, which is the key to success. At killexams.com, we offer the most accurate LPI 303-200 real questions that are valid and up-to-date, based on the latest LPIC-3 test 303: Security, version 2.0 - 2025 syllabus, and are the most effective way to pass the LPIC-3 test 303: Security, version 2.0 - 2025 exam. Our goal is to help you become an expert in your organization. We have a reputation for assisting people in passing the 303-200 test on their first attempt. Our PDF Questions has consistently performed at the top over the past two years. We owe this success to our 303-200 real questions customers who trust our PDF Questions and VCE for their real 303-200 exam. killexams.com is the best place to find real 303-200 test questions. We keep our 303-200 real questions valid and up-to-date at all times. These LPIC-3 test 303: Security, version 2.0 - 2025 test dumps will ensure that you pass the test with excellent grades.

Killexams Review | Reputation | Testimonials | Customer Feedback

Before using killexams.com, I never thought I would pass the 303-200 test with ease. However, their customized material helped me understand the concepts better and answer even the unknown questions with confidence. Their educational resources were a great source of inspiration, and I felt energized to take on the exam. I highly recommend killexams.com for anyone preparing for the 303-200 exam.
Shahid nazir [2025-6-13]

I cannot thank killexams.com enough for helping me score high on the 303-200 exam, which I was extremely anxious about. With the assistance of their reliable materials, I was able to pass the test with ease and encourage other students to use their resources for their educational needs.
Lee [2025-4-5]

I highly recommend the training offered by killexams.com to everyone planning to take the 303-200 exam. Their coverage of the test principles is extensive, and I learned precisely what I needed to pass the exam.
Richard [2025-5-14]

More 303-200 testimonials...

303-200 Exam

User: Lidija*****

Killexams.com is the best mentor ever! Their way of teaching and guiding is unmatched by any other provider. They provided me with tremendous help during my attempt at the 303-200 exam. I was not initially confident about my success, but their support made it possible. Thanks to them, I was able to achieve an extraordinary grade in the 303-200 exam. If I am successful in my field, it is because of Killexams.com.

User: Tama*****

I have recommended Killexams.com to several colleagues and partners, all of whom were greatly satisfied with the service. Thanks to Killexams.com, I was able to pass my 303-200 test with flying colors. They are a great study provider, and I am their biggest fan!

User: Mishay*****

I would like to thank the Killexams.com team for providing a valuable practice question bank, helping me pass the 303-200 test with a score of 78%. I have subscribed to several question banks of Killexams.com, and they have been instrumental in helping me pass those exams. The mock tests were particularly helpful, with their specific and well-defined answers. Keep up the good work.

User: Anthony*****

I had tried the 303-200 test previously but failed, as I found the subjects difficult. However, everything changed when I found the questions and answer test guide by killexams.com. It is the best guide I have ever purchased for my test preparation. The way it dealt with the 303-200 material was notable, and even a slow learner like me could manage it. I passed with 89% marks and felt above the world. Thanks, Killexams!

User: Gaspar*****

It is challenging to find test material that has all the necessary capabilities required to take the 303-200 exam. But I consider myself lucky because I used the killexams.com material, which had all the required statistics and capabilities and was also very useful. The subjects covered in the provided practice tests were comprehensive, making the coaching and studying in each subject matter a seamless process. I am urging my friends to undergo it.

303-200 Exam

Question: I forgot my killexams account password, what should I do?
Answer: Yes, you will receive an intimation on each update. You will be able to download up-to-date Braindumps to the 303-200 exam. If there will be any update in the exam, it will be automatically copied in your download section and you will receive an intimation email. You can memorize and practice these Braindumps with the VCE test simulator. It will train you enough to get good marks in the exam.

Question: Do I need real test questions for 303-200 exam?
Answer: Yes, sure. You extremely need 303-200 real test questions to pass your exam. Killexams.com provides up-to-date and valid real 303-200 test Braindumps that appear in the genuine exam. You will face all these 303-200 questions in your real test that we provide you.

Question: Does Killexams provide refund if someone fails?
Answer: Yes. Killexams has a very good certain policy to back up the products. First of all, you will not fail the exam. If in case, you fail the exam, you can get your money back for a replacement exam. It is your choice.

Question: Where can I see the 303-200 genuine questions price?
Answer: Killexams provide the latest 303-200 VCE test at a very cheap price. Furthermore, special discount coupons are also provided for candidates. You can see 303-200 questions price at https://killexams.com/exam-price-comparison/303-200

Question: I am a working person with no time to study, are the 303-200 dumps for me?
Answer: If you are a working person and have very little time to study books and lectures or instructor-led courses, it is the right place for you. Killexams.com provides 303-200 test prep that work great in the genuine exam. You need very little time to go through these 303-200 questions and practice with the test simulator. These 303-200 Braindumps will help you pass your test with good marks.

References

Frequently Asked Questions about Killexams Practice Tests

Is there a shortcut to pass 303-200 exam?
Yes, Of course, you can pass your test within the shortest possible time. If you are free and you have more time to study, you can prepare for an test even in 24 hours. But we recommend taking your time to study and practice 303-200 test practice questions until you are sure that you can answer all the questions that will be asked in the genuine 303-200 exam. Visit killexams.com and register to download the complete dumps collection of 303-200 test brainpractice questions. These 303-200 test questions are taken from genuine test sources, that\'s why these 303-200 test questions are sufficient to read and pass the exam. Although you can use other sources also for improvement of knowledge like textbooks and other aid material these 303-200 practice questions are sufficient to pass the exam.

Did you attempt this amazing material 303-200 updated practice questions?
Killexams download section contains up-to-date genuine 303-200 test questions that are taken from the 303-200 brainpractice questions. These questions\' answers are Tested by experts before they are included in the 303-200 question bank.

303-200 test questions are changed, where am I able to locate new questions and answers?
Killexams keep on checking update and change/update the 303-200 test Braindumps accordingly. You will receive an update notification to re-download the 303-200 test files. You can then login to your MyAccount and download the test files accordingly.

Is Killexams.com Legit?

Sure, Killexams is practically legit and fully dependable. There are several functions that makes killexams.com legitimate and legit. It provides current and hundred percent valid test dumps containing real exams questions and answers. Price is very low as compared to a lot of the services on internet. The Braindumps are up-to-date on normal basis along with most accurate brain dumps. Killexams account launched and product delivery can be quite fast. Report downloading is actually unlimited and very fast. Help support is available via Livechat and Email. These are the features that makes killexams.com a sturdy website that supply test dumps with real exams questions.

Other Sources

Which is the best testprep site of 2025?

There are several Braindumps provider in the market claiming that they provide Real test Questions, Braindumps, Practice Tests, Study Guides, cheat sheet and many other names, but most of them are re-sellers that do not update their contents frequently. Killexams.com is best website of Year 2025 that understands the issue candidates face when they spend their time studying obsolete contents taken from free pdf download sites or reseller sites. That is why killexams update test Braindumps with the same frequency as they are updated in Real Test. Testprep provided by killexams.com are Reliable, Up-to-date and validated by Certified Professionals. They maintain dumps collection of valid Questions that is kept up-to-date by checking update on daily basis.

If you want to Pass your test Fast with improvement in your knowledge about latest course contents and topics, We recommend to download PDF test Questions from killexams.com and get ready for genuine exam. When you feel that you should register for Premium Version, Just choose visit killexams.com and register, you will receive your Username/Password in your Email within 5 to 10 minutes. All the future updates and changes in Braindumps will be provided in your download Account. You can download Premium test questions files as many times as you want, There is no limit.

Killexams.com has provided VCE VCE test Software to Practice your test by Taking Test Frequently. It asks the Real test Questions and Marks Your Progress. You can take test as many times as you want. There is no limit. It will make your test prep very fast and effective. When you start getting 100% Marks with complete Pool of Questions, you will be ready to take genuine Test. Go register for Test in Test Center and Enjoy your Success.

100% Money Back Pass Guarantee

Back to List

Social Profiles

LPIC-3 test 303: Security, version 2.0 - 2025 Practice Test

303-200 test Format | Course Contents | Course Outline | test Syllabus | test Objectives

100% Money Back Pass Guarantee

303-200 PDF sample Questions

303-200 sample Questions

Killexams VCE test Simulator 3.0.9

Free download account of killexams.com 303-200 PDF Questions

Latest 2025 Updated 303-200 Real test Questions

Tags

Killexams Review | Reputation | Testimonials | Customer Feedback

303-200 Exam

303-200 Exam

References

Frequently Asked Questions about Killexams Practice Tests

Is Killexams.com Legit?

Other Sources

Which is the best testprep site of 2025?

Important Links for best testprep material

100% Money Back Pass Guarantee

Social Profiles