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| Section | Objectives |
|---|---|
| SD-WAN | - Performance SLA - SD-WAN routing - Deployment and troubleshooting - SD-WAN architecture - Overlay VPN - Application steering |
| Enterprise Firewall | - VPN technologies - Routing and advanced networking - Authentication and identity - Advanced firewall deployment - High availability - Centralized management and analytics - Security Fabric integration - Troubleshooting |
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NEW QUESTION # 25
Refer to the exhibit.
The exhibit shows a session entry. Which statement about this TCP session is true?
Answer: A
Explanation:
The correct answer is C. The session is offloaded using NPU .
The exact session example in the study guide shows:
* proto=6 # this is a TCP session
* expire=3599 # the session will expire in 3599 seconds , not in one second
* hook=post dir=org act=snat 10.9.31.117:45388- > 200.8.57.5:443(10.1.0.3:45388)
* hook=pre dir=reply act=dnat 200.8.57.5:443- > 10.1.0.3:45388(10.9.31.117:45388)
* npu info: ... offload=8/8 ...
* and the slide explicitly states: "Offloaded in both directions using NP6" The study guide also explains this exact point clearly:
"Counters for hardware acceleration-The presence of the npu info field indicates the session has been offloaded to hardware acceleration. In this example, traffic is being offloaded in both directions using network processor (NP) 6, which is represented by the value of 8." Why the other options are wrong:
* A is wrong because expire=3599, not 1. The duration=1 field means the session has existed for 1 second, not that it will expire in 1 second.
* B is wrong because the original session is from 10.9.31.117 to the remote server 200.8.57.5:443. The IP 10.1.0.3 is the SNAT-translated source address , not the final destination.
* D is not the best answer for this single-select question . The reply is indeed DNATed back toward the original client, but the exact validated takeaway highlighted by the study guide for this exhibit is the NPU offload state .
NEW QUESTION # 26
A VPN tunnel is up. To monitor traffic flow, the administrator enters the following CLI commands on an SSH session on FortiGate:
# diagnose debug enable
# diagnose sniffer packet any ' udp and port 500 ' 4
However, the sniffer does not show any output. Assuming default configuration values, what are two possible reasons there is no output? (Choose two answers)
Answer: B,C
Explanation:
The correct answers are A and B .
The study guide says:
"If NAT-T is enabled, and there is a FortiGate located in the middle that is running NAT, the sniffer command must use a different filter. In this case, IKE traffic uses UDP port 500, but switches to UDP port 4500 during the tunnel negotiation. Additionally, ESP traffic is encapsulated inside the UDP 4500 channel." It also says:
"In some networks, UDP is blocked by firewalls or ISPs. In those cases, you can configure your VPN tunnel to use IKE over TCP in the phase 1 configuration. The default IKE TCP port is 443..." And the study guide gives the correct capture examples:
* No NAT: host < remote-gw > and udp port 500
* With NAT and NAT-T: host < remote-gw > and (udp port 500 or udp port 4500) So:
* B is correct because with NAT Traversal enabled , the tunnel may no longer be using only UDP 500 .
It can move to UDP 4500 , so the current filter may miss the traffic.
* A is correct because the filter may need to be expanded to include UDP 4500 for NAT-T, or TCP 443 when IKE over TCP is used.
Why the other options are wrong:
* C is wrong because restricting the filter to the remote peer IP can make the capture more precise, but it is not required for the sniffer to display output. The problem here is the port/protocol choice , not the lack of a host filter. The study guide examples use host filtering as an aid, not as a requirement.
* D is wrong because diagnose debug enable is used to enable real-time debug output for applications, but it does not suppress or invalidate sniffer output . Sniffer capture is a separate command path.
Fortinet documentation separately documents diagnose sniffer packet ... for packet capture and diagnose debug enable for debug features.
So the verified answers are: A, B .
NEW QUESTION # 27
Refer to the exhibit, which shows the partial output of FortiOS kernel slabs.
Which statement is true?
Answer: B
Explanation:
The study guide states:
"The kernel memory slabs are collections of objects with a common purpose. The kernel uses them to store information in memory." It also gives the exact calculation rule:
"Total slab size = available objects x object size"
From the exhibit:
tcp_session 3 5 1500 ...
So:
available objects = 5
object size = 1500
Therefore:
Total slab size = 5 × 1500 = 7500 kB
That makes D correct, and it is associated with the kernel, not user space.
Why the other options are wrong:
A is wrong because sctp_session 0 0 1600 ... gives 0 × 1600 = 0, but slabs are associated with the kernel, not user space.
B is wrong because ip_session 1 3 1200 ... gives 3 × 1200 = 3600, but again slabs are kernel memory, not user space.
C is wrong because ip6_session 0 0 1300 ... gives 0 × 1300 = 0, not 1300.
NEW QUESTION # 28
Refer to the exhibit.
Which two statements about the output are true, considering NGFW-1 and NGFW-2 have been up for a week? (Choose two.)
Answer: A,C
Explanation:
The correct answers are A and B.
The exhibit shows:
override: disable
both members are currently in-sync
only port7 appears under HBDEV stats, so it is the active heartbeat interface the cluster is in HA A-P mode Why A is correct:
With override disabled, after a failover the new primary keeps that role when the old primary comes back.
The FortiOS administration guide states:
"When the primary FortiGate rejoins the cluster the secondary FortiGate continues to operate as the primary FortiGate." So if FGVM...649 reboots and FGVM...650 becomes primary, FGVM...650 will remain primary after FGVM...649 rejoins.
Why B is correct:
The study guide states:
"When FortiGate devices configured in an HA cluster lose communication with each other on the heartbeat interface, each FortiGate assumes the role of the primary device." The exhibit shows only port7 as the heartbeat device in HBDEV stats So if port7 is disconnected and heartbeat communication is lost, the cluster can enter a split-brain condition, where both units believe they are primary. The FortiOS administration guide confirms the same behavior: loss of heartbeat communication causes each member to think it is the primary Why the other options are wrong:
C is wrong because configuration synchronization status is specifically used to detect whether secondary members remain synchronized with the primary. If members are no longer synchronized, the status changes from in-sync to out-of-sync D is wrong because the study guide explains that during a configuration change, checksums may differ briefly while changes are copied, but it does not describe this as the secondary initiating a "synchronization reset" So the verified answers are: A, B.
NEW QUESTION # 29
Refer to the exhibit, which shows partial outputs from two routing debug commands.
Why is the port2 default route not in the second command output?
Answer: B
Explanation:
The correct answer is D.
In the exhibit, get router info routing-table database shows both static default routes:
0.0.0.0/0 [20/0] via 100.64.2.254, port2
0.0.0.0/0 [10/0] via 100.64.1.254, port1
But get router info routing-table all shows only:
0.0.0.0/0 [10/0] via 100.64.1.254, port1
The study guide explains that get router info routing-table all displays the routes that make it to the FIB - the best active routes. It also says that this command doesn't show standby or inactive routes, which can remain only in the routing table database. It gives the exact rule: "when two static routes to the same destination subnet have different distances, the one with the lower distance is installed in the routing table, and the one with the higher distance is installed in the routing table database." The study guide also shows the route selection process:
Most specific route
Lowest distance
Lowest metric (dynamic routes)
Lowest priority (static routes)
ECMP
So the port2 default route is absent from the second output because its distance is 20, while the port1 default route has distance 10. The lower-distance route is installed in the active routing table/FIB.
Why the other options are wrong:
A is wrong because the exhibit does not indicate port2 is down or disabled.
B and C are wrong because priority is checked only after distance for static routes. Here, the routes already differ by distance, so priority is not the deciding factor.
So the verified answer is: D.
NEW QUESTION # 30
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