Free Fortinet NSE7_SAC-6.2 Exam Practice Questions & Explanations
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A company uses FortiAuthenticator as the RADIUS server for both wired 802.1X on FortiSwitch and wireless WPA2-Enterprise. Contractors must be placed on VLAN 30 and employees on VLAN 10, dynamically, based on their group membership.
Which set of RADIUS attributes must FortiAuthenticator return so the FortiGate/FortiSwitch assigns the correct dynamic VLAN?
A is correct. Dynamic VLAN assignment via RADIUS uses the standard RFC 3580 triplet: Tunnel-Type = 13 (VLAN), Tunnel-Medium-Type = 6 (802), and Tunnel-Private-Group-Id containing the VLAN ID or name. FortiGate (wireless) and FortiSwitch (802.1X) both honor these attributes when dynamic VLAN assignment is enabled.
B: Fortinet-Group-Name is used for group matching in firewall policies, not VLAN assignment. C: Class and Filter-Id are not used for VLAN placement on FortiGate. D: Fortinet-Access-Profile applies to administrative logins.
Two FortiGates are configured as an active-passive wireless controller pair using FGCP HA. All FortiAPs are discovered and authorized on the primary. During a failover test, the administrator notices the APs briefly re-join the new primary and wireless clients must re-associate.
Which statement best explains this behavior in a FortiGate HA wireless controller deployment?
B is correct. In FGCP HA the cluster presents virtual MAC addresses, and after failover the FortiAPs re-establish their CAPWAP control tunnel with the new primary (discovery/join), which causes a brief interruption and client re-association. AP configuration and authorization are synchronized across the cluster, so no manual re-authorization is needed.
A misstates the behavior; bridge mode does keep local traffic forwarding but does not synchronize client state. C is wrong because HA config sync includes managed AP entries. D is false - the controller holds the key state for tunnel-mode SSIDs.
An administrator configures a captive portal SSID on FortiGate in tunnel mode. Users connect and get an IP address, but the captive portal login page never appears; a packet capture shows client DNS queries going out and being answered, but HTTP requests are dropped. The security-exempt list contains only the internal DNS server.
What is the most likely cause?
A is correct. With captive portal security on an SSID, the redirection to the portal is triggered by a firewall policy that requires authentication (a user group configured on the policy or on the SSID's security-groups). If no such policy exists, unauthenticated HTTP traffic simply matches an implicit deny and is dropped, so no redirect page is presented.
B is wrong - a Local portal works fine and is the default. C is irrelevant; DNS and DHCP are clearly working. D contradicts the stated tunnel-mode configuration, and bridge-mode SSIDs also support captive portal.
A FortiSwitch is managed by FortiGate using FortiLink over a single physical port. The administrator wants ports 5 through 10 on the FortiSwitch to authenticate hosts with 802.1X against a RADIUS server, but a printer on port 8 does not support a supplicant and must still be allowed onto the network.
Which two actions accomplish this? (Choose two.)
A and B are correct. Non-supplicant devices are handled with MAC Authentication Bypass: the FortiSwitch sends the device MAC address as both username and password to the RADIUS server, which must have a matching user entry. MAB is enabled inside the switch-controller 802.1X security policy applied to the port.
C is invalid; FortiLink trunks are the uplink to the FortiGate, not access ports. D is not how a guest VLAN works, and a timeout of 0 does not whitelist a MAC. E is fictitious - disabling LLDP has no effect on EAPOL.
A network administrator has deployed a FortiGate as a wireless controller with three FortiAP 431F units in a warehouse. Users complain that when they walk between aisles their 802.1X (WPA2-Enterprise) sessions drop for several seconds while re-authenticating against the RADIUS server. The APs are all on the same SSID and the same FortiAP profile.
Which configuration change on the FortiGate will most directly reduce the roaming delay?
A is correct. 802.11r Fast BSS Transition allows the client to pre-establish key material with the target AP through the mobility domain, so a full 802.1X/EAP exchange with the RADIUS server is not needed on each roam. FortiGate supports enabling FT and the mobility domain ID per SSID (fast-bss-transition / ft-mobility-domain).
B affects discovery/beaconing only and does nothing for re-authentication. C changes where traffic is bridged, not the key exchange during roaming. D (DARRP) optimizes channel selection to reduce interference but does not accelerate re-authentication.