300-320 · Question #311
Which two methods are available to connect a Cisco IOS device to an active directory domain for authentication?
The correct answer is A. LDAP (Lightweight Directory Access Protocol) B. Radius. A Cisco IOS device can connect to Microsoft Active Directory (AD) for authentication using LDAP and RADIUS. LDAP (Lightweight Directory Access Protocol) allows IOS to query AD directly using its native directory protocol - IOS can be configured to bind to AD and authenticate…
Question
Which two methods are available to connect a Cisco IOS device to an active directory domain for authentication?
Options
- ALDAP (Lightweight Directory Access Protocol)
- BRadius
- CTACACS+
- DAAA
How the community answered
(35 responses)- A89% (31)
- C9% (3)
- D3% (1)
Explanation
A Cisco IOS device can connect to Microsoft Active Directory (AD) for authentication using LDAP and RADIUS. LDAP (Lightweight Directory Access Protocol) allows IOS to query AD directly using its native directory protocol - IOS can be configured to bind to AD and authenticate users against it. RADIUS can integrate with AD indirectly: a RADIUS server (such as Microsoft NPS or Cisco ISE) sits between the IOS device and AD, relaying authentication requests to AD on behalf of the network device. TACACS+ (choice C) is a Cisco-proprietary protocol that works with AAA servers but does not natively interface with AD without an intermediary. AAA (choice D) is a framework/model, not a protocol - it describes the architecture using RADIUS or TACACS+, not a standalone AD integration method.
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