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Exam Code: FCP_FGT_AD-7.6

Exam Name: FCP - FortiGate 7.6 Administrator

Certification Provider: Fortinet

Corresponding Certification: NSE4

Questions & Answers

Fortinet FCP_FGT_AD-7.6 Questions & Answers

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Fortinet FCP_FGT_AD-7.6 Practice Test 70

Question 690

A FortiOS 7.6 team examines: A customer asks for both link-status metrics and proof of application behavior during WAN failover. Select TWO complementary choices: the most appropriate corrective action AND the specific evidence confirming success.

  1. The intended new sessions recover on healthy members and the test documents behavior of established flows.
  2. Traffic logs and route diagnostics show both the intended route and an approved first-match firewall policy.
  3. A broad default route cannot override an installed more-specific matching prefix solely because its interface is healthy.
  4. Configure and verify supported route distance and priority settings so eligible backup routes are preferred only under the intended conditions.
  5. Validate the FortiGate SD-WAN member health and steering decision during a controlled underlay failure with appropriate application retry expectations.

Explanation

Correct Answers

A:

For the observed situation (A customer asks for both link-status metrics and proof of application behavior during WAN failover), the most specific acceptance evidence is: The intended new sessions recover on healthy members and the test documents behavior of established flows. It validates the recommended response: Validate the FortiGate SD-WAN member health and steering decision during a controlled underlay failure with appropriate application retry expectations. This addresses the documented risk: Changing WAN path can disrupt established sessions depending on routing, NAT and remote application tolerance.

E:

The reported FortiOS 7.6 condition is: A customer asks for both link-status metrics and proof of application behavior during WAN failover. The targeted administrative response is: Validate the FortiGate SD-WAN member health and steering decision during a controlled underlay failure with appropriate application retry expectations. The relevant failure risk is: Changing WAN path can disrupt established sessions depending on routing, NAT and remote application tolerance. Validate with: The intended new sessions recover on healthy members and the test documents behavior of established flows.

Incorrect Answers

B:

Routing versus firewall policy separation (4.1) would demonstrate or implement: Traffic logs and route diagnostics show both the intended route and an approved first-match firewall policy. This choice can be useful for that problem, but it does not establish the Sd-wan health failover and session evidence control being assessed here.

C:

Longest-prefix match and route lookup (4.1) would demonstrate or implement: A broad default route cannot override an installed more-specific matching prefix solely because its interface is healthy. This case instead tests Sd-wan health failover and session evidence; the choice measures or changes another part of the system.

D:

Static route distance and priority (4.1) addresses another technical failure: Mismatched distance or priority can select a slower WAN path while the preferred next hop remains available. The required paired action and test concerns Sd-wan health failover and session evidence; a passing result for this alternative could leave that requirement unresolved.

Question 691

A FortiGate administrator investigates: Two branch gateways can ping each other but IKE negotiation fails immediately after a proposal change. Which response most directly addresses the described technical requirement?

  1. Align compatible supported IKE and IPsec SA lifetime and rekey behavior across approved VPN peers and monitor rekey outcomes.
  2. Investigate supported IPsec replay-window events, packet ordering and peer time or state anomalies using legitimate device diagnostics.
  3. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.
  4. Design supported primary and alternate FortiGate IPsec tunnels and test route preference and peer availability under controlled failure.

Explanation

Correct Answer

C:

The reported FortiOS 7.6 condition is: Two branch gateways can ping each other but IKE negotiation fails immediately after a proposal change. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

A:

VPN encryption rekey and lifetime compatibility (5.1) addresses another technical failure: Mismatched peer behavior during SA renewal can create periodic outages even when initial tunnel establishment succeeds. The case states: Two branch gateways can ping each other but IKE negotiation fails immediately after a proposal change. The most direct diagnosis is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.

B:

IPsec anti-replay and time-drift troubleshooting (5.1) addresses another technical failure: Large traffic reordering or stale security association state can cause legitimate encrypted packets to be discarded. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

D:

Redundant site-to-site IPsec peers (5.1) addresses another technical failure: Two configured tunnels do not guarantee recovery if both depend on the same WAN circuit or backup routes are missing. The required diagnosis concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 692

Following an approved configuration change, the team observes: Two branch gateways can ping each other but IKE negotiation fails immediately after a proposal change. Which result would most convincingly demonstrate that the intended correction worked?

  1. Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.
  2. Large representative authorized payloads pass over the tunnel after bounded MTU adjustments without severe retransmissions.
  3. Controlled inter-branch tests follow only authorized hub or direct tunnel paths and stay isolated where required.
  4. The intended child security association forms and bidirectional traffic between the approved networks succeeds.

Explanation

Correct Answer

A:

For the observed situation (Two branch gateways can ping each other but IKE negotiation fails immediately after a proposal change), the most specific acceptance evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities. It validates the recommended response: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. This addresses the documented risk: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.

Incorrect Answers

B:

IPsec tunnel mtu and fragmentation (5.1) would demonstrate or implement: Large representative authorized payloads pass over the tunnel after bounded MTU adjustments without severe retransmissions. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

VPN hub-and-spoke versus partial mesh topology (5.1) would demonstrate or implement: Controlled inter-branch tests follow only authorized hub or direct tunnel paths and stay isolated where required. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

IPsec phase-two traffic selector agreement (5.1) would demonstrate or implement: The intended child security association forms and bidirectional traffic between the approved networks succeeds. The required evidence concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 693

During a controlled branch network review, engineers find: A tunnel is moved to a new public WAN address while the remote peer still expects the old identity. Which response most directly addresses the described technical requirement?

  1. Choose a documented hub-and-spoke or partial-mesh IPsec topology according to required spoke-to-spoke access, redundancy and administration scale.
  2. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.
  3. Check effective VPN path MTU and approved TCP MSS handling when protected application traffic fails on larger packets.
  4. Match approved IPsec phase-two traffic selectors and supported encryption proposals to the intended protected local and remote subnets.

Explanation

Correct Answer

B:

The reported FortiOS 7.6 condition is: A tunnel is moved to a new public WAN address while the remote peer still expects the old identity. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

A:

VPN hub-and-spoke versus partial mesh topology (5.1) addresses another technical failure: Assuming spoke-to-spoke reachability in a pure hub model without appropriate routes and policies can blackhole traffic. The case states: A tunnel is moved to a new public WAN address while the remote peer still expects the old identity. The most direct corrective action is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.

C:

IPsec tunnel mtu and fragmentation (5.1) addresses another technical failure: IPsec encapsulation overhead can make large packets fail even while small ICMP connectivity tests succeed. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

IPsec phase-two traffic selector agreement (5.1) addresses another technical failure: Mismatched traffic selectors can leave phase one healthy while the protected application subnet remains unreachable. The required corrective action concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 694

A FortiGate review documents: A tunnel is moved to a new public WAN address while the remote peer still expects the old identity. Which failure risk is most closely associated with this concern?

  1. Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.
  2. A healthy replacement firewall can be active while tunnel security associations, NAT or route state have not recovered.
  3. Treating all IPsec connectivity faults as cryptographic problems can cause unnecessary key or proposal changes.
  4. A valid tunnel negotiation alone does not install the necessary destination route or permit application traffic.

Explanation

Correct Answer

A:

The operational condition (A tunnel is moved to a new public WAN address while the remote peer still expects the old identity) exposes: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. The appropriate FortiGate correction is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. Its direct acceptance evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

B:

IPsec peer and routing recovery after failover (5.1) would demonstrate or implement: A healthy replacement firewall can be active while tunnel security associations, NAT or route state have not recovered. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

IPsec tunnel logging and diagnosis (5.1) would demonstrate or implement: Treating all IPsec connectivity faults as cryptographic problems can cause unnecessary key or proposal changes. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

Route-based IPsec tunnel interface design (5.1) would demonstrate or implement: A valid tunnel negotiation alone does not install the necessary destination route or permit application traffic. The required risk concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 695

An enterprise security operations ticket reports: An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds. Which response most directly addresses the described technical requirement?

  1. Validate phase-one, phase-two, tunnel-route and application policy recovery following an authorized FortiGate HA or WAN failover.
  2. Use supported route-based IPsec tunnel interfaces with appropriate routing and firewall policy for protected application subnets.
  3. Use FortiGate VPN event logs and approved bounded diagnostic data to distinguish IKE, phase-two, routing and firewall policy failures.
  4. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.

Explanation

Correct Answer

D:

The reported FortiOS 7.6 condition is: An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

A:

IPsec peer and routing recovery after failover (5.1) addresses another technical failure: A healthy replacement firewall can be active while tunnel security associations, NAT or route state have not recovered. The case states: An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds. The most direct corrective action is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.

B:

Route-based IPsec tunnel interface design (5.1) addresses another technical failure: A valid tunnel negotiation alone does not install the necessary destination route or permit application traffic. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

IPsec tunnel logging and diagnosis (5.1) addresses another technical failure: Treating all IPsec connectivity faults as cryptographic problems can cause unnecessary key or proposal changes. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

Question 696

A secure network operations review finds: An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds. Which result would most convincingly demonstrate that the intended correction worked?

  1. A controlled HA/WAN failover re-establishes encrypted connectivity and application flows through approved paths.
  2. Protected hosts see approved original source networks and tests show firewall permits only the required services.
  3. A monitored tunnel remains usable through planned rekey with approved proposals and no unexpected loss of reachability.
  4. Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Explanation

Correct Answer

D:

For the observed situation (An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds), the most specific acceptance evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities. It validates the recommended response: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. This addresses the documented risk: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.

Incorrect Answers

A:

IPsec peer and routing recovery after failover (5.1) would demonstrate or implement: A controlled HA/WAN failover re-establishes encrypted connectivity and application flows through approved paths. The case states: An operator changes the shared secret on one VPN peer only and the negotiation no longer succeeds. The most direct evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

B:

VPN firewall policies and source nat exemptions (5.1) would demonstrate or implement: Protected hosts see approved original source networks and tests show firewall permits only the required services. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

VPN encryption rekey and lifetime compatibility (5.1) would demonstrate or implement: A monitored tunnel remains usable through planned rekey with approved proposals and no unexpected loss of reachability. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

Question 697

A FortiOS 7.6 deployment change reveals: A security audit finds legacy cryptographic proposals that violate an organization’s approved suite. Which response most directly addresses the described technical requirement?

  1. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.
  2. Validate phase-one, phase-two, tunnel-route and application policy recovery following an authorized FortiGate HA or WAN failover.
  3. Align compatible supported IKE and IPsec SA lifetime and rekey behavior across approved VPN peers and monitor rekey outcomes.
  4. Create least-privilege firewall rules for approved IPsec source and destination networks and avoid unintended source NAT across the protected path.

Explanation

Correct Answer

A:

The reported FortiOS 7.6 condition is: A security audit finds legacy cryptographic proposals that violate an organization’s approved suite. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

B:

IPsec peer and routing recovery after failover (5.1) addresses another technical failure: A healthy replacement firewall can be active while tunnel security associations, NAT or route state have not recovered. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

VPN encryption rekey and lifetime compatibility (5.1) addresses another technical failure: Mismatched peer behavior during SA renewal can create periodic outages even when initial tunnel establishment succeeds. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

VPN firewall policies and source nat exemptions (5.1) addresses another technical failure: Translating local private addresses unexpectedly may cause remote VPN selectors or application allowlists to reject traffic. The required evidence concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 698

During a documented incident investigation, staff report: A security audit finds legacy cryptographic proposals that violate an organization’s approved suite. Which failure risk is most closely associated with this concern?

  1. Two configured tunnels do not guarantee recovery if both depend on the same WAN circuit or backup routes are missing.
  2. Large traffic reordering or stale security association state can cause legitimate encrypted packets to be discarded.
  3. Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.
  4. Mismatched traffic selectors can leave phase one healthy while the protected application subnet remains unreachable.

Explanation

Correct Answer

C:

The operational condition (A security audit finds legacy cryptographic proposals that violate an organization’s approved suite) exposes: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. The appropriate FortiGate correction is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. Its direct acceptance evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

A:

Redundant site-to-site IPsec peers (5.1) would demonstrate or implement: Two configured tunnels do not guarantee recovery if both depend on the same WAN circuit or backup routes are missing. The case states: A security audit finds legacy cryptographic proposals that violate an organization’s approved suite. The most direct evidence is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.

B:

IPsec anti-replay and time-drift troubleshooting (5.1) would demonstrate or implement: Large traffic reordering or stale security association state can cause legitimate encrypted packets to be discarded. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

D:

IPsec phase-two traffic selector agreement (5.1) would demonstrate or implement: Mismatched traffic selectors can leave phase one healthy while the protected application subnet remains unreachable. The required evidence concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 699

An authorized firewall maintenance assessment identifies: A peer sends its certificate identity under a value not accepted by the other gateway. Which response most directly addresses the described technical requirement?

  1. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.
  2. Design supported primary and alternate FortiGate IPsec tunnels and test route preference and peer availability under controlled failure.
  3. Investigate supported IPsec replay-window events, packet ordering and peer time or state anomalies using legitimate device diagnostics.
  4. Match approved IPsec phase-two traffic selectors and supported encryption proposals to the intended protected local and remote subnets.

Explanation

Correct Answer

A:

The reported FortiOS 7.6 condition is: A peer sends its certificate identity under a value not accepted by the other gateway. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Incorrect Answers

B:

Redundant site-to-site IPsec peers (5.1) addresses another technical failure: Two configured tunnels do not guarantee recovery if both depend on the same WAN circuit or backup routes are missing. This choice can be useful for that problem, but it does not establish the IPsec phase-one ike identity and proposals control being assessed here.

C:

IPsec anti-replay and time-drift troubleshooting (5.1) addresses another technical failure: Large traffic reordering or stale security association state can cause legitimate encrypted packets to be discarded. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

IPsec phase-two traffic selector agreement (5.1) addresses another technical failure: Mismatched traffic selectors can leave phase one healthy while the protected application subnet remains unreachable. The required corrective action concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

Question 700

A FortiOS 7.6 team examines: A peer sends its certificate identity under a value not accepted by the other gateway. Select TWO complementary choices: the most appropriate corrective action AND the specific evidence confirming success.

  1. Large representative authorized payloads pass over the tunnel after bounded MTU adjustments without severe retransmissions.
  2. Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.
  3. Assuming spoke-to-spoke reachability in a pure hub model without appropriate routes and policies can blackhole traffic.
  4. Use supported route-based IPsec tunnel interfaces with appropriate routing and firewall policy for protected application subnets.
  5. Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

Explanation

Correct Answers

B:

The reported FortiOS 7.6 condition is: A peer sends its certificate identity under a value not accepted by the other gateway. The targeted administrative response is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. The relevant failure risk is: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable. Validate with: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities.

E:

For the observed situation (A peer sends its certificate identity under a value not accepted by the other gateway), the most specific acceptance evidence is: Both intended IKE peers report an established phase-one security association with approved algorithms and correct identities. It validates the recommended response: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends. This addresses the documented risk: Peer identity or proposal mismatch can prevent tunnel negotiation even when the internet path and gateway IP are reachable.

Incorrect Answers

A:

IPsec tunnel mtu and fragmentation (5.1) would demonstrate or implement: Large representative authorized payloads pass over the tunnel after bounded MTU adjustments without severe retransmissions. The case states: A peer sends its certificate identity under a value not accepted by the other gateway. The most direct paired action and test is: Validate approved IPsec phase-one IKE peer identity, authentication credentials and mutually supported cryptographic proposals on both FortiGate ends.

C:

VPN hub-and-spoke versus partial mesh topology (5.1) would demonstrate or implement: Assuming spoke-to-spoke reachability in a pure hub model without appropriate routes and policies can blackhole traffic. This case instead tests IPsec phase-one ike identity and proposals; the choice measures or changes another part of the system.

D:

Route-based IPsec tunnel interface design (5.1) addresses another technical failure: A valid tunnel negotiation alone does not install the necessary destination route or permit application traffic. The required paired action and test concerns IPsec phase-one ike identity and proposals; a passing result for this alternative could leave that requirement unresolved.

FCP - FortiGate 7.6 Administrator (FCP_FGT_AD-7.6) Practice Tests