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NSE4_FGT-7.0 · Question #146

Which three statements are true regarding session-based authentication? (Choose three.)

The correct answer is A. HTTP sessions are treated as a single user. C. It can differentiate among multiple clients behind the same source IP address. D. It requires more resources. Session-based authentication can differentiate multiple users behind a single IP by treating individual HTTP sessions as unique, although it consumes more resources than simpler IP-based methods.

System Configuration

Question

Which three statements are true regarding session-based authentication? (Choose three.)

Options

  • AHTTP sessions are treated as a single user.
  • BIP sessions from the same source IP address are treated as a single user.
  • CIt can differentiate among multiple clients behind the same source IP address.
  • DIt requires more resources.
  • EIt is not recommended if multiple users are behind the source NAT

How the community answered

(25 responses)
  • A
    88% (22)
  • B
    8% (2)
  • E
    4% (1)

Why each option

Session-based authentication can differentiate multiple users behind a single IP by treating individual HTTP sessions as unique, although it consumes more resources than simpler IP-based methods.

AHTTP sessions are treated as a single user.Correct

In session-based authentication, each distinct HTTP session initiated by a user is generally tracked and treated as belonging to a single, authenticated user.

BIP sessions from the same source IP address are treated as a single user.

IP sessions from the same source IP address being treated as a single user is characteristic of IP-based authentication, not session-based authentication, which aims to differentiate users.

CIt can differentiate among multiple clients behind the same source IP address.Correct

A key advantage of session-based authentication is its ability to distinguish and authenticate multiple individual clients or users that are sharing the same source IP address, for example, behind a NAT device.

DIt requires more resources.Correct

Implementing and maintaining session-based authentication requires the FortiGate to manage more state information and perform more complex processing per session, thus consuming more system resources compared to basic IP-based authentication.

EIt is not recommended if multiple users are behind the source NAT

Session-based authentication is highly recommended and often necessary when multiple users are behind a source NAT, as it provides the granular control and individual user identification that IP-based authentication lacks in such scenarios.

Concept tested: FortiGate session-based authentication characteristics

Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/526715/policy-based-authentication

Topics

#session-based authentication#user authentication#resource utilization#NAT considerations

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