Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 : 300-300

  • Exam Code: 300-300
  • Exam Name: LPIC-3 Exam 300: Mixed Environments, version 3.0
  • Updated: Oct 22, 2026     Q & A: 55 Questions and Answers

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About Lpi 300-300 Exam

From a free demo to 365 days of free updates and a 60-day money-back guarantee if you fail the corresponding exam, PracticeTorrent covers the whole 300-300 preparation journey. For most candidates in 2026, the Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 package with 55 practice questions is the only stop they need.

Lpi 300-300 Exam Overview:

Certification Vendor:Linux Professional Institute (LPI)
Exam Name:LPIC-3 Exam 300: Mixed Environments, version 3.0
Exam Number:300-300
Certificate Validity Period:5 years
Exam Duration:90 minutes
Available Languages:Japanese, English
Real Exam Qty:60
Exam Format:Multiple choice, Fill-in-the-blank
Exam Price:$200 USD (varies by region)
Related Certifications:LPIC-3 High Availability and Storage Clusters
LPIC-3 Security
LPIC-3 Virtualization and High Availability
Passing Score:500 out of 800 (scaled score)
Recommended Training:LPI Official Exam Objectives
Exam Registration:LPI Official Exam Overview
Pearson VUE Registration
Sample Questions:Free Download 300-300 exam dumps pdf
Exam Way:Proctored computer-based test; available at Pearson VUE test centers or online via OnVUE
Pre Condition:Active and valid LPIC-2 certification required to obtain LPIC-3 credential
Official Syllabus URL:https://www.lpi.org/our-certifications/exam-300-objectives/

Lpi 300-300 Exam Syllabus Topics:

SectionWeightObjectives
Samba Basics20%- Samba Concepts and Architecture
- Samba Configuration
- Regular Samba Maintenance
Authentication and Authorization20%- FreeIPA and Identity Management
- Kerberos Authentication
- LDAP Integration
Samba and Active Directory Domains30%- Samba as Active Directory Domain Controller
- Active Directory User and Group Management
- Samba Domain Membership
- Active Directory Name Resolution
File Sharing and Network Services15%- Cross-Platform File Access
- NFS Server and Client
Samba Share and Access Control15%- Permissions and Access Control Lists
- Share Configuration

Lpi 300-300 Exam FAQ — What Candidates Ask Most

The 300-300 exam is the official Lpi exam for Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0. Passing it earns you the LPIC-3 Mixed Environments credential, which sits at the Expert level. It is also connected to LPIC-3 Security, LPIC-3 Virtualization and High Availability, LPIC-3 High Availability and Storage Clusters, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with PracticeTorrent's practice questions pays off.

The 300-300 exam contains 60 questions, and the time limit is 90 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in PracticeTorrent's test engine will teach you that rhythm far better than untimed reading ever will.

The passing score for the 300-300 exam is 500 out of 800 (scaled score), and the official registration fee is $200 USD (varies by region). Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run PracticeTorrent's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.

Active and valid LPIC-2 certification required to obtain LPIC-3 credential Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://www.lpi.org/our-certifications/exam-300-objectives/.

You can book the 300-300 exam through the official registration channels below:

Exam delivery method: Proctored computer-based test; available at Pearson VUE test centers or online via OnVUE.

Lpi points candidates to the following official training options:

Once the coursework has built your foundation, the fastest way to turn theory into exam readiness is drilling with PracticeTorrent's 55 practice questions for the Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 exam.

Yes. PracticeTorrent offers a free PDF demo of the Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.

If you take the corresponding exam within 60 days of purchase and do not pass, PracticeTorrent backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.

The official Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 blueprint is organized into 5 domains. The leading areas are:

  • Authentication and Authorization — 20% of the exam
  • File Sharing and Network Services — 15% of the exam
  • Samba and Active Directory Domains — 30% of the exam

For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.

Lpi LPIC-3 Exam 300: Mixed Environments, version 3.0 Sample Questions:

Question #1

Which of the following commands adds a forward DNS record named fileserver01 pointing to the IPv6 address 2001:db8::190 into the DNS zone samba.private on the Samba 4 server dc1?

  • A. samba-dns dynupdate -S dc1 -U Administrator -h fileserver01.samba.private -t AAAA -V 2001:db8::190
  • B. samba-tool dns add dc1 samba.private fileserver01 AAAA 2001:db8::190 -U Administrator
  • C. dnstool -f dns.tdb add fileserver01.samba.private AAAA 2001:db8::190 -U Administrator
  • D. net dns -S dc1 -U Administrator addrecord fileserver01.samba.private AAAA 2001:db8::190
  • E. nsupdatesmb -U Administrator //dc1/samba.private/fileserver01 add AAAA 2001:db8::190
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).

Question #2

How is the Global Catalog of an Active Directory domain accessed?

  • A. Through LDAP queries to the base dn CN=GC in the standard LDAP directory.
  • B. Through SRV records in the DNS sub zone _msgc in the domain's DNS zone.
  • C. Through GCS records in the DNS sub zone _gc in the domain's DNS zone.
  • D. Through LDAP queries to the ports 3268 (plain text) and 3269 (TLS encrypted).
  • E. Through the share GCS SMB which is available on each domain controller.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).

Question #3

What are benefits of registry based Samba configuration compared to file based configuration? (Choose three.)

  • A. Registry based configuration supports advanced options which do not exist in smb.conf.
  • B. Specific attributes of LDAP objects in Active Directory can be overwritten in the configuration registry.
  • C. Server processes require less time to start because they do not have to parse the configuration file.
  • D. Configuration changes become effective immediately without a daemon reload.
  • E. The registry can be edited remotely without logging into the server.
Reveal Solution  Discussion  0

Correct Answer: C,D,E  🗳️

Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).

Question #4

Which of the following statements about automount in a FreeIPA domain are true? (Choose two.)

  • A. In a FreeIPA domain, mount points for automount are always directories.
  • B. In a FreeIPA domain, automount requires SSSD to be installed on each client.
  • C. In a FreeIPA domain, automount can only mount NFS shares from FreeIPA servers.
  • D. The command ipa automount up mounts all file systems handled by automount on a FreeIPA client.
  • E. The base configuration file for automount is /etc/auto.master.
Reveal Solution  Discussion  0

Correct Answer: B,E  🗳️

Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).

Question #5

Which option in smb.conf defines the domain of which the server is a member?

  • A. domain
  • B. basedn
  • C. ad
  • D. member domain
  • E. realm
Reveal Solution  Discussion  0

Correct Answer: E  🗳️

Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).

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