Docker Certified Associate – Preparation & methodology
Preparing for the Docker Certified Associate (DCA) exam is an achievable goal with the right plan, focused practice, and high-quality mock exams.
LPI
LPI LPIC-2 Exam 202
The LPIC-2 Exam 202 (now updated to 202-450) is the second required exam for achieving the LPIC-2 certification (Linux Engineer), which validates advanced skills in managing small to medium-sized mixed networks across Linux and Microsoft environments.
Exam code
202-450
Duration
90 min
Questions
60
Official Prerequisites
- LPIC-1 certification or equivalent junior-level Linux administration experience
- At least 12 months of practical Linux system administration experience
- Comfortable with command-line tools, shell scripting, and text editors
- Familiarity with networking concepts such as TCP/IP, routing, DNS, and DHCP
- Understanding of filesystems, partitioning, RAID, and LVM
Targeted Professions
Linux System Administrator Senior Linux Administrator Systems Engineer DevOps Engineer IT Infrastructure EngineerDomain blueprint
ExamBoot simulation engine is synchronized with official exam outline. Our adaptive question banks prioritize your reaching your objectives quickly..
Configure BIND 9 as both an authoritative and recursive/caching DNS server; manage zone files (forward/reverse), reload configurations, and secure the server (running as non-root in a chroot jail, TSIG, basic DNSSEC awareness).
Install and configure web and proxy services (Apache, Squid, Nginx)
Samba: standalone or Active Directory-integrated CIFS/SMB shares, printer shares, client mounting, user mapping, troubleshooting
NFS: exporting filesystems, access controls, client mounts, securing NFS environments.
DHCP: server configuration, static/bootp hosts, relay agents, basic DHCPv6/RA awareness
PAM: authentication setup (pam_unix, pam_sss, SSSD)
LDAP client: querying/updating LDAP directories
OpenLDAP server: basic directory setup, LDIF, access controls.
Mail servers: Postfix configuration (aliases, quotas, virtual domains, internal relays, TLS basics)
Delivery filtering: Sieve scripting for mail sorting/filtering
Mailbox access: POP/IMAP setup (Dovecot), TLS for mail retrieval.
Domain 5
E-Mail Services
Mail servers: Postfix configuration (aliases, quotas, virtual domains, internal relays, TLS basics)
Delivery filtering: Sieve scripting for mail sorting/filtering
Mailbox access: POP/IMAP setup (Dovecot), TLS for mail retrieval.
Domain 6
System Security
Router/NAT: IP forwarding, masquerading, port redirection, basic iptables/ip6tables rules
FTP servers: anonymous and authenticated vsftpd/Pure-FTPd setup and hardening
SSH: securing sshd (keys, root login, port forwarding)
Security tasks: intrusion detection (Snort, OpenVAS), patch management, alert sources
OpenVPN: site-to-site and point-to-point VPN configuration.
Study Tip
Do hands-on labs building and configuring systems, review official objectives, study man pages, take timed practice exams, and analyze mistakes.
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