Which of the following services can be used to make Active Directory user accounts available as Linux users? (Choose two.)

Question

Options

• ANIS+
• Bnmbd
• CWinbind
• DBind
• ESSSD

• A
  5% (1)
• C
  90% (18)
• D
  5% (1)

Explanation

Winbind (C) and SSSD (E) are correct because both are purpose-built to bridge Windows/Active Directory authentication with Linux systems - Winbind (part of the Samba suite) maps AD users and groups to local Linux UIDs/GIDs, while SSSD (System Security Services Daemon) caches and provides identity/authentication services from AD (and other providers like LDAP) to the local system.

Why the distractors are wrong:

• NIS+ (A) is a Sun Microsystems network information service, not related to Active Directory.
• nmbd (B) is a Samba daemon that handles NetBIOS name resolution, not user account mapping.
• Bind (D) is a DNS server - it resolves hostnames, not user identities.

Memory tip: Think "Who Sees AD users on Linux?" - Winbind and SSSD. Both have "identity bridging" as their core job; the other options are network services (DNS, NetBIOS) or legacy Unix tools that predate Active Directory.

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