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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: System Architecture & Design | 20% | - Hardware sizing & resource planning - FortiOS 7.6 architecture & components - Security Fabric integration & scaling - VDOM design & multi-tenant deployment |
| Topic 2: High Availability & Redundancy | 15% | - FGCP/FGSP/vCluster deployment - Cross-data center redundancy - Session synchronization & failover |
| Topic 3: Advanced Routing & VPN | 25% | - IPsec VPN & ADVPN architecture - OSPF, BGP, IS-IS configuration & optimization - Route redistribution & filtering - SD-WAN design & SLA management |
| Topic 4: Security Policy & Services | 10% | - NAT & IP pool optimization - Advanced firewall & security profile design - Identity-based policies |
| Topic 5: Centralized Management | 20% | - FortiAnalyzer logging & reporting - FortiManager 7.6 deployment & role assignment - Configuration provisioning & version control - Policy packages & object templates |
| Topic 6: Monitoring & Troubleshooting | 10% | - Diagnostic tools & CLI analysis - Connectivity & performance troubleshooting - Fabric synchronization issues |
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59. Frage
Refer to the exhibit.
If the default settings are m place, what can you conclude about the conserve mode shown in the exhibit?
Antwort: A
Begründung:
The exhibit shows:
* memory conserve mode: on
* memory used: 2706 MB 89% of total RAM
* memory used threshold red: 2675 MB 88% of total RAM
* memory used + freeable threshold extreme: 2887 MB 95% of total RAM
The study guide states that the default thresholds are:
* Extreme = 95%
* Red = 88%
* Green = 82%
So this FortiGate is in conserve mode because memory usage is 89% , which is above the red threshold (88%) , but it has not yet reached the extreme threshold (95%) .
The study guide then explains exactly what happens during conserve mode:
"For traffic that requires proxy-based inspection (and if memory usage has not exceeded the extreme threshold):
config system global
set av-failopen [off | pass | one-shot]
pass (default): All new sessions pass without inspection"
It also says:
"The av-failopen setting also applies to flow-based antivirus inspection." And the same page adds:
"If memory usage exceeds the extreme threshold, all new sessions that require inspection (flow-based or proxy-based) are blocked." Therefore, with default settings and with memory usage below the extreme threshold , FortiGate is allowing new sessions that require inspection, but bypassing inspection . That matches C .
Why the other options are wrong:
* A is wrong because the default behavior is not to block proxy-based inspected sessions; the default is pass , meaning they pass without inspection
* B is wrong because if memory rises another 6% , it reaches 95% , which is the extreme threshold . At that point, the study guide says all new sessions that require inspection are blocked
* D is wrong because FortiGate blocks all new inspected sessions only when memory usage exceeds the extreme threshold , and the exhibit shows it is currently at 89% , not 95%
60. Frage
If you configure set tcp-mss-sender and set tcp-mss-receiver in a firewall policy, how does it affect the size and handling of TCP packets in the network?
Antwort: D
Begründung:
TCP Maximum Segment Size (MSS) defines the maximum amount of TCP payload data that a device can place in one TCP segment. The Enterprise Firewall 7.6 Administrator Study Guide explicitly explains that MSS includes only the TCP payload and does not include the TCP or IP headers. FortiGate allows the sender and receiver MSS values to be adjusted in a firewall policy using tcp-mss-sender and tcp-mss-receiver.
Therefore, A is correct.
These settings are intended primarily to avoid fragmentation and accommodate reduced effective MTUs, particularly where encapsulation such as IPsec adds overhead. MSS does not determine whether a firewall policy permits or denies a TCP packet, eliminating B. It also does not alter the IP-header size, eliminating D.
Option C incorrectly describes when MSS adjustment operates.
61. Frage
You configure the overlay tunnels for an SD-WAN hub-and-spoke topology defined with IPsec tunnels, BGP on loopback, and dynamic BGP.
Which two are recommended IPsec settings for this topology? (Choose two answers.)
Antwort: B,C
Begründung:
The SD-WAN 7.6 Enterprise Administrator Study Guide identifies the recommended BGP-on-loopback IPsec settings. For branches, it specifies:
* "Static tunnel type (remote end IP address is known)."
* "net-device enable."
Enabling net-device on the spoke creates a kernel interface for the tunnel. This assists with tunnel monitoring and management and is required to support ADVPN shortcut tunnels. Dynamic BGP establishes on-demand BGP peerings between spokes after an ADVPN shortcut is created; therefore, the spoke must support those dynamic shortcut interfaces. This makes option C correct.
The spoke should also configure localid. The FortiOS 7.6 Administrator Study Guide explains: "Local ID: if the peer accepts a specific peer ID, type that same peer ID in this field." The local ID supplies the spoke's IKE identity to the dial-up hub, allowing the hub to identify and authenticate the connecting spoke correctly.
Therefore, option D is correct.
Option A reverses the recommended roles. The hub must use a dynamic tunnel type because it operates as the dial-up server and does not require every spoke's changing public gateway address in advance.
Option B is also incorrect. The guide states: "There is no need to configure any tunnel IP address, so the IKE Mode Config is not used." BGP on loopback uses the loopback address and exchange-interface-ip instead of IKE mode configuration.
References: SD-WAN 7.6 Enterprise Administrator Study Guide, SD-WAN Overlay Design and Best Practices
, pages 118-119 and 122; FortiOS 7.6 Administrator Study Guide, IPsec VPN - Phase 1 Network Settings , page 375; FortiOS 7.6 - BGP on loopback .
62. Frage
A FortiGate administrator is troubleshooting a VPN that is failing to establish.
As a first step, the administrator is attempting to sniff the traffic using the command:
# diagnose sniffer packet any ''udp port 500 or udp port 4500 or esp'' 4 After several minutes there is still no output. What is the most Likely reason for this?
Antwort: B
Begründung:
The administrator is running a packet sniffer with the filter ' udp port 500 or udp port 4500 or esp ' . The result is " no output, " even though the VPN is attempting to establish (failing).
A). The VPN is configured to use IKE over TCP:
Standard IPsec IKE negotiation uses UDP port 500 (IKE) and UDP port 4500 (NAT-T).
However, if IKEv2 over TCP (RFC 8229) or Fortinet ' s proprietary IKE over TCP is configured (often used to bypass firewalls that block UDP), the traffic will use TCP (often port 4500 or 443).
The sniffer filter explicitly looks for udp or esp (IP Protocol 50).
If the traffic is encapsulated in TCP, it matches tcp protocol, not udp or esp (raw ESP). Therefore, the sniffer sees zero packets matching the filter.
Why other options are incorrect:
B: esp is a valid argument for diagnose sniffer packet. It is equivalent to filtering for IP protocol 50.
C: If the ISP were blocking traffic, the sniffer (running on the local FortiGate) would still see the outbound packets generated by the FortiGate trying to initiate the connection. " No output " implies the local device isn ' t even generating packets matching that filter.
D: Mismatched IKE versions would still generate IKE negotiation packets (proposals/errors) that would be captured by the sniffer.
Reference:
FortiGate Security 7.6 Study Guide (IPsec VPN): " IKEv2 over TCP is available for environments where UDP 500/4500 is blocked. When enabled, IKE and ESP packets are encapsulated in TCP headers. "
63. Frage
Refer to the exhibit.
The output of a BGP debug command is shown.
Why has the local router at 172.16.23.58 been unable to establish adjacency with its only neighbor?
Antwort: D
Begründung:
The correct answer is C.
The exhibit shows the neighbor state as Connect in the State/PfxRcd column. The study guide explains the BGP states exactly as follows:
"Connect: Waiting for a successful three-way TCP connection"
"OpenSent: Waiting for an OPEN message from the peer"
"Established: Peers have successfully exchanged OPEN and keepalive messages" Because the router is still in Connect state, the TCP three-way handshake has not completed yet. In practical terms, the local router has sent the TCP SYN but has not successfully received the SYN/ACK needed to complete the handshake. That is why C is correct.
Why the other options are wrong:
A is wrong because the message counters alone do not prove that the neighbor is unreachable. The study guide says the State/PfxRcd field shows the BGP state when the session is not established, and here that state is specifically Connect B is wrong because waiting for an OPEN message happens in OpenSent, not Connect D is not the best answer for this output. The study guide ties the displayed state directly to the protocol phase:
Connect means the device is still waiting for a successful TCP handshake So the verified answer is: C.
64. Frage
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