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LPIC-3: Mixed Environments - 300 - version 3.0 Questions 11–15 (page: 4)

Updated On: 10-Feb-2026

Which of the following are valid Samba backends to store user and group information? (Choose two.)

  1. sdb
  2. smbpasswd
  3. ldapsam
  4. krb
  5. smb

Answer(s): B,C

Explanation:

smbpasswd: This backend uses the smbpasswd file to store user and group information. It is a simple plaintext file format that holds password hashes and other account information. ldapsam: This backend utilizes LDAP (Lightweight Directory Access Protocol) to store user and group information. LDAP is a more scalable and flexible option suitable for larger environments.
Other Options:
sdb, krb, smb: These are not valid Samba backends for storing user and group information.


Reference:

Samba User and Group Database Backends



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

  1. Through LDAP queries to the ports 3268 (plain text) and 3269 (TLS encrypted).
  2. Through the share GCS SMB which is available on each domain controller.
  3. Through GCS records in the DNS sub zone _gc in the domain's DNS zone.
  4. Through LDAP queries to the base dn CN=GC in the standard LDAP directory.
  5. Through SRV records in the DNS sub zone _msgc in the domain's DNS zone.

Answer(s): A

Explanation:

Global Catalog: The Global Catalog is a distributed data repository that contains a searchable, partial representation of every object in every domain in a multi-domain Active Directory forest. Access Method: It is accessed through LDAP queries to specific ports:
Port 3268: For plain text (unencrypted) LDAP queries.
Port 3269: For LDAP queries encrypted with TLS.
Other Options:
GCS SMB share, GCS records, SRV records, CN=GC in LDAP: These do not provide the correct method to access the Global Catalog.


Reference:

Microsoft Documentation on Active Directory Global Catalog



Which of the following Samba commands provides comprehensive information and status flags on the user candidate?

  1. smbpasswd -l -u candidate
  2. net sam show candidate
  3. pdbedit -v -u candidate
  4. samba-tool user list
  5. getent smbpasswd candidate

Answer(s): C

Explanation:

pdbedit: This Samba command is used to manage the user accounts stored in the Samba password database.
-v: The verbose option provides detailed information. -u candidate: Specifies the user for which to display the information.
Other Commands:
smbpasswd, net sam show, samba-tool user list, getent smbpasswd: These commands do not provide the same comprehensive information and status flags as pdbedit.


Reference:

Samba pdbedit Documentation



Which service unifies Linux and Windows account management by allowing a Linux system to include Windows domain users in the Linux user database?

  1. smbpasswdd
  2. sudo
  3. NIS
  4. Winbind
  5. OpenLDAP

Answer(s): D

Explanation:

Winbind: This service is used to unify Linux and Windows account management by allowing a Linux system to include Windows domain users in the Linux user database. Functionality: Winbind enables Linux systems to retrieve user and group information from a Windows NT-based domain or Active Directory.
Other Services:
smbpasswdd, sudo, NIS, OpenLDAP: These services do not provide the same functionality for unifying account management between Linux and Windows.


Reference:

Samba Winbind Documentation



Which group of commands manages the directory replication in an active directory domain?

  1. samba-tool repl
  2. samba-tool directory
  3. samba-tool drs
  4. samba-tool domain
  5. samba-tool sync

Answer(s): C

Explanation:

samba-tool drs: This set of commands is used to manage directory replication in an Active Directory domain. DRS stands for Directory Replication Service. Functionality: It provides various subcommands to monitor, manage, and troubleshoot replication issues.
Other Commands:
samba-tool repl, directory, domain, sync: These do not specifically manage directory replication in the same way as samba-tool drs.


Reference:

Samba DRS Command Documentation



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