Quick Answer
The answer is SAML and certificate authentication. SAML is correct because it enables federated identity management and single sign-on (SSO), allowing the FortiGate to verify user identity through an external identity provider (IdP) without handling passwords directly, which is essential for ZTNA authentication methods in a cloud-centric architecture. Certificate authentication is also valid because ZTNA relies on client certificates (X.509) to establish mutual TLS (mTLS) between the user device and the FortiGate, ensuring device identity and trust before granting access. On the Fortinet NSE 7 Advanced Security NSE7 exam, this question tests your understanding of how ZTNA decouples identity from network location; a common trap is assuming password-based or MFA-only methods are primary, but the exam emphasizes that ZTNA natively supports SAML for user identity and certificates for device identity. Memory tip: think “SAML for who you are, certificate for what you have.”
This NSE7 practice question tests your understanding of advanced vpn and zero trust. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following can be used to authenticate users in a ZTNA connection? (Select two.)
LDAP authentication
Why wrong: LDAP is a directory, not an authentication method per se; it can be used as a backend but the method is typically certificate or SAML.
FortiToken
Why wrong: FortiToken is for two-factor, not primary auth.
IPsec authentication
Why wrong: IPsec is not an authentication method for ZTNA.
SAML authentication
SAML is supported for SSO.
Certificate authentication
Certificates can authenticate devices/users.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SAML authentication
In a ZTNA connection, authentication can be performed using SAML (Security Assertion Markup Language) because it enables federated identity management and single sign-on (SSO), allowing the FortiGate to verify user identity via an external identity provider (IdP) without direct password handling. Certificate authentication is also valid because ZTNA leverages client certificates (X.509) to establish mutual TLS (mTLS) between the user device and the FortiGate, ensuring device identity and trust before granting access.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
LDAP authentication
Why it's wrong here
LDAP is a directory, not an authentication method per se; it can be used as a backend but the method is typically certificate or SAML.
FortiToken
Why it's wrong here
FortiToken is for two-factor, not primary auth.
IPsec authentication
Why it's wrong here
IPsec is not an authentication method for ZTNA.
SAML authentication
Why this is correct
SAML is supported for SSO.
Related concept
Read the scenario before looking for a memorised answer.
Certificate authentication
Why this is correct
Certificates can authenticate devices/users.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse authentication methods used in traditional VPNs (like LDAP or FortiToken) with the identity-centric methods required for ZTNA, forgetting that ZTNA mandates integration with an IdP or certificate-based trust rather than direct password or token verification.
Detailed technical explanation
Under the hood, ZTNA uses a reverse proxy architecture where the FortiGate acts as a ZTNA gateway, terminating TLS connections from clients and forwarding requests to internal resources. SAML authentication works by redirecting the user to an IdP (e.g., Azure AD, Okta) which issues a signed assertion; the FortiGate validates the assertion and extracts user identity. Certificate authentication relies on the client presenting a certificate during the TLS handshake; the FortiGate verifies the certificate chain and optionally checks certificate revocation lists (CRLs) or OCSP responses to ensure the device is compliant.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the NSE7 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Advanced VPN and Zero Trust — This question tests Advanced VPN and Zero Trust — Read the scenario before looking for a memorised answer..
The correct answer is: SAML authentication — In a ZTNA connection, authentication can be performed using SAML (Security Assertion Markup Language) because it enables federated identity management and single sign-on (SSO), allowing the FortiGate to verify user identity via an external identity provider (IdP) without direct password handling. Certificate authentication is also valid because ZTNA leverages client certificates (X.509) to establish mutual TLS (mTLS) between the user device and the FortiGate, ensuring device identity and trust before granting access.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This NSE7 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE7 exam.
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