Get High Scores in 303-200 test with these test prep

killexams.com is honored to help candidates pass the 303-200 test in their first attempts. Our team of specialists and experienced professionals are constantly striving to update 303-200 mock exam by adding all the latest 303-200 actual test questions and answers that will assist the candidates with getting tips and tricks to address 303-200 questions and practice with LPIC-3 Exam 303: Security- version 2.0 - 2025 Test Prep.

Latest 2025 Updated LPIC-3 Exam 303: Security, version 2.0 - 2025 Questions and Answers

303-200 Question Bank & Practice Tests

Practice Tests with official 303-200 Exam Questions - Updated on Daily Basis
100% Pass Guarantee

303-200 TestPrep are must for success in actual test
rewrite below paragraph with good marketing words but keeping words between [] brackets as it is and do not use words with ' in them like You're or don't, rather use complete word. Replace exam dumps word with TestPrep or Practice Test. The paragraphs are about killexams.com that sells certification exam preparation material including TestPrep practice tests, online test engine and desktop test engine, for candidates to best prepare their exam and have success. Keep the urls as it is:

We now boast an extensive roster of individuals who successfully pass the 303-200 examination, leveraging our PDF Practice Test. The majority of these accomplished professionals secure rewarding positions within leading organizations, commanding impressive incomes. This remarkable achievement stems not solely from their engagement with our 303-200 Latest Topics, but from a profound enhancement of their knowledge, leading to practical mastery within their field. They are empowered to excel as experts in distinguished enterprises. Our focus extends beyond merely achieving a passing score on the 303-200 examination with our questions and answers; we are dedicated to genuinely elevating your comprehension of 303-200 objectives. This commitment is precisely why our clients attain certification and achieve significant success in their chosen careers.

Features of Killexams 303-200 Latest Topics
-> Instant 303-200 Latest Topics download Access
-> Comprehensive 303-200 Questions and Answers
-> 98% Success Rate of 303-200 Exam
-> Guaranteed Actual 303-200 exam questions
-> 303-200 Questions Updated on Regular basis.
-> Valid and 2025 Updated 303-200 Exam Practice Test
-> 100% Portable 303-200 Exam Files
-> Full featured 303-200 VCE Exam Simulator
-> No Limit on 303-200 Exam Download Access
-> Great Discount Coupons
-> 100% Secured Download Account
-> 100% Confidentiality Ensured
-> 100% Success Guarantee
-> 100% Free practice questions sample Questions
-> No Hidden Cost
-> No Monthly Charges
-> No Automatic Account Renewal
-> 303-200 Exam Update Intimation by Email
-> Free Technical Support

Exam Detail at : https://killexams.com/pass4sure/exam-detail/303-200
Pricing Details at : https://killexams.com/exam-price-comparison/303-200
See Complete List : https://killexams.com/vendors-exam-list

Discount Coupon on Full 303-200 Latest Topics exam simulator software;
WC2020: 60% Flat Discount on each exam
PROF17: 10% Further Discount on Value Greater than $69
DEAL17: 15% Further Discount on Value Greater than $99

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

Exam Title :

LPIC-3 Security


Exam ID :

303-200


Exam Duration :

90 mins


Questions in Exam :

60


Passing Score :

500 / 800


Exam Center :

LPI Marketplace


Real Questions :

LPI LPIC-3 Real Questions


VCE Practice 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

Killexams Review | Reputation | Testimonials | Feedback

LPI 303-200 testing