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LPI C-3: Mixed Environments - 300 - version 3.0 300-300 Dumps in PDF

Free LPI 300-300 Real Questions (page: 3)

300-300 PDF — 113 Questions

Which of the following lines is missing in the given [printers] share definition?

  1. printcap name = cups
  2. printable = yes
  3. print script = /usr/bin/lp -d %P %s
  4. print admin = Administrator, root, @lpadmin
  5. load printers = yes

Answer(s): B

Explanation:

In the context of a Samba configuration for printer shares, the [printers] section usually requires the printable = yes directive to indicate that the share is meant for printing. Without this directive, Samba would not treat the share as a printer share, even if other settings like path are configured properly.
The given snippet is:
The line printable = yes is missing and is essential for defining a printer share.


Reference:

Samba Official Documentation - Printer Sharing



The [homes] section of smb.conf contains the parameter browseable = no.
What are the resulting consequences? (Choose two.)

  1. When browsing the Samba server, there is no visible share named after the current user.
  2. If the Samba server is part of an Active Director/ Domain, only users in the qroup Se3rowsingUsers can browse the homes share.
  3. When browsing the Samba server, users can open the homes share but they cannot see the content of their home directories.
  4. The homes share can be directly accessed by specifically opening this share by its UNC path.
  5. When browsing the Samba server, there is no visible share called homes.

Answer(s): A,D

Explanation:

When browseable = no is set in the [homes] section of smb.conf, it prevents the share from appearing in the list of available shares when users browse the server. However, users can still access their home directories if they specify the correct UNC path directly. A .
When browsing the Samba server, there is no visible share named after the current user. The share will not appear in the list of shares visible to the user during browsing. D . The homes share can be directly accessed by specifically opening this share by its UNC path. Users can still access the share by directly typing the path in the form \\servername\username.


Reference:

Samba Official Documentation - Home Directories



Which Samba utility, when launched with the appropriate parameters, generates the following output?

  1. smbcacls
  2. smbclient
  3. getfacl
  4. smbxattr
  5. smbfacl

Answer(s): A

Explanation:

The smbcacls utility is used to manage Windows ACLs on Samba shares. The output format shown in the image suggests it relates to detailed ACL information, which is typically generated by smbcacls.


Reference:

Samba smbcacls man page



Which of the following options can be used to limit access to a Samba share? (Choose two.)

  1. untrusted users
  2. write list
  3. valid groups
  4. valid users
  5. accept list

Answer(s): C,D

Explanation:

To limit access to a Samba share, the valid users and valid groups options can be used. These directives specify which users or groups are allowed to access the share.
C . valid groups
This option restricts access to members of specified Unix groups.

D . valid users
This option restricts access to specified Unix users.


Reference:

Samba smb.conf man page



In case the following parameters are set in a Samba file share configuration:
create mask = 711
force create mode = 750
What are the effective permissions of a file created with the permissions 777?

  1. 066
  2. 027
  3. 777
  4. 761
  5. 751

Answer(s): E

Explanation:

The effective permissions of a file created with the permissions 777 can be calculated considering the create mask and force create mode.
create mask = 711 implies that the permission bits are ANDed with 0711, i.e., only the owner can read, write, and execute.
force create mode = 750 implies that certain permission bits are always set, specifically 0750, i.e., read, write, and execute for the owner, and read and execute for the group. The create mask reduces the permissions to 0711, and then force create mode adds the 0750 mask to the result.
Original permission: 777 AND with create mask (711): 711 OR with force create mode (750): 751 Thus, the effective permission is 751.


Reference:

Samba smb.conf man page - create mask



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A
Anonymous User
4/15/2026 2:43:53 AM

Question 23:
The correct answer is Domain admin (option B), not Fabric admin.

  • Domain admin provides domain-level management: create domains/subdomains and assign workspaces within those domains, which matches the tasks while following least privilege.
  • Fabric admin is global-level access and is more privileges than needed for this scenario (it would grant broader control across the Fabric environment).

Kottayam, India
A
Anonymous User
4/14/2026 12:31:34 PM

Question 2:
For question 2, the key concept is the Longest Prefix Match. Routers pick the route whose subnet mask is the most specific (largest prefix length) that still matches the destination IP.
From the options:

  • A) 10.10.10.0/28 ? 10.10.10.0–10.10.10.15
  • B) 10.10.13.0/25 ? 10.10.13.0–10.10.13.127
  • C) 10.10.13.144/28 ? 10.10.13.144–10.10.13.159
  • D) 10.10.13.208/29 ? 10.10.13.208–10.10.13.215

The destination Host A’s IP must fall within 10.10.13.208–10.10.13.215 for the /29 to be the best match. Since /29 is the longest prefix among the matching options, Router1 will use 10.10.13.208/29.
Thus, the correct answer is D.

Canada
S
srameh
4/14/2026 10:09:29 AM

Question 3:

  • Correct answer: Phase 4, Post Accreditation

  • Explanation:
- In DITSCAP, the four phases are: - Phase 1: Definition (concept and requirements) - Phase 2: Verification (design and testing) - Phase 3: Validation (fielding and evaluation) - Phase 4: Post Accreditation (ongoing operations and lifecycle management) - The description—continuing operation of an accredited IT system and addressing changing threats throughout its life cycle—fits the Post Accreditation phase, which covers operations, maintenance, monitoring, and reauthorization as threats and environment evolve.

France
O
onibokun10
4/13/2026 7:50:14 PM

Question 129:
Correct answer: CNAME

  • A CNAME record creates an alias for a domain, so newapplication.comptia.org will resolve to whatever IP address www.comptia.org resolves to. This ensures both names point to the same resource without duplicating the IP.
  • Why not the others:
- SOA defines authoritative information for a zone. - MX specifies mail exchange servers. - NS designates name servers for a zone.
  • Notes: The alias name (newapplication.comptia.org) should not have other records if you use a CNAME for it, and CNAMEs aren’t used for the zone apex (root) domain. This scenario uses a subdomain, so a CNAME is appropriate.

Swindon, United Kingdom
A
Anonymous User
4/13/2026 6:29:58 PM

Question 1:

  • Correct answer: C

  • Why this is best:
- Uses OS Login with IAM, so SSH access is granted via Google accounts rather than distributing per-user SSH keys. - Granting the compute.osAdminLogin role to a Google group gives admin access to all team members in a centralized, auditable way. - Access is auditable: Cloud Audit Logs show who accessed which VM, satisfying the security requirement to determine who accessed a given instance.
  • How it works:
- Enable OS Login on the project/instances (enable-oslogin metadata). - Add the team’s

Germany
A
Anonymous User
4/13/2026 1:00:51 PM

Question 2:

  • Answer: D. Azure Advisor

  • Why: To view security-related recommendations for resources in the Compute and Apps area (including App Service Web Apps and Functions), you use Azure Advisor. Advisor surfaces personalized best-practice recommendations across resources, including security, and shows which resources are affected and the severity.

  • Why not the others:
- Azure Log Analytics is for ad-hoc querying of telemetry, not for viewing security recommendations. - Azure Event Hubs is for streaming telemetry data, not for security recommendations.
  • Quick tip: In the portal, navigate to Azure Advisor and check the Security recommendations for App Services to see actionable items and affe

    Brazil
D
Don
4/11/2026 5:36:42 AM

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Hamburg, Germany
M
Mogae Malapela
4/8/2026 6:37:56 AM

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Gaborone, Botswana
A
Anon
4/6/2026 5:22:54 PM

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Amsterdam, The Netherlands
L
LRK
3/22/2026 2:38:08 PM

For Question 7 - while the answer description indicates the correct answer, the option no. mentioned is incorrect. Nice and Comprehensive. Thankyou

Paris, France
R
Rian
3/19/2026 9:12:10 AM

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United States
G
Gerrard
3/18/2026 6:58:37 AM

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United States
V
Vineet Kumar
3/6/2026 5:26:16 AM

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Anonymous
J
Joe
1/20/2026 8:25:24 AM

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UNITED STATES
N
NJ
12/24/2025 10:39:07 AM

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Anonymous
A
Ashwini
12/17/2025 8:24:45 AM

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Anonymous
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Jagadesh
12/16/2025 9:57:10 AM

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INDIA
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shobha
11/29/2025 2:19:59 AM

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INDIA
P
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Anonymous
D
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Thor
10/21/2025 5:16:29 AM

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NEW ZEALAND
V
Vladimir
9/25/2025 9:11:14 AM

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Anonymous
K
khaos
9/21/2025 7:07:26 AM

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Anonymous
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Katiso Lehasa
9/15/2025 11:21:52 PM

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Anonymous
E
Einstein
9/2/2025 7:42:00 PM

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UNITED KINGDOM
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Matt
7/31/2025 11:44:40 PM

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OLERATO
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A
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5/24/2025 12:54:15 AM

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Anonymous
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