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全問NSE7_SDW-7.2問題集でandFortinet NSE 7 - SD-WAN 7.2トレーニングコース受験生を学習してパスさせるFortinet NSE 7 - SD-WAN 7.2試験無料問題集！
質問 # 10
Refer to the exhibit.
Which statement explains the output shown in the exhibit?
- A. FortiGate used 192.2.0.1 as the gateway for the original direction of the traffic.
- B. FortiGate performed standard FIB routing on the session.
- C. FortiGate must re-evaluate the session due to routing change.
- D. FortiGate will not re-evaluate the session following a firewall policy change.
正解：C
解説：
The snat-route-change option is enabled by default. This option enables FortiGate to re-evaluate the routing table and select a new egress interface if the next hop IP address changes. This option only applies to sessions in the dirty state. Sessions in the log state are not affected by routing changes.
質問 # 11
Refer to the exhibit.
An administrator used the SD-WAN overlay template to prepare an IPsec configuration for a hub-and-spoke SD-WAN topology. The exhibit shows the installation preview for one FortiGate device. In the exhibit, which statement best describes the configuration applied to the FortiGate device?
- A. It is a spoke device that establishes dynamic IPsec tunnels to the hub. The subnet range is 10.10.128.0/23.
- B. It is a hub device and will automatically discover the spoke devices that are in the SD-WAN topology.
- C. It is a hub device. It can send ADVPN shortcut offers.
- D. It is a spoke device that establishes dynamic IPsec tunnels to the hub. It can send ADVPN shortcut requests.
正解：D
解説：
According to the SD-WAN 7.2 Study Guide, the SD-WAN overlay template simplifies the configuration of IPsec tunnels in a hub-and-spoke topology. The template defines the following parameters:
* type: dynamic for spokes, static for hubs
* interface: the WAN interface to use for the IPsec tunnel
* network-overlay: enable for spokes, disable for hubs
* network-id: a unique identifier for each spoke
* auto-discovery-sender: enable for hubs, disable for spokes
* auto-discovery-receiver: enable for spokes, disable for hubs
Based on the exhibit, the FortiGate device has the following configuration:
* type: dynamic
* interface: port1
* network-overlay: enable
* network-id: 5
* auto-discovery-sender: disable
* auto-discovery-receiver: enable
Therefore, the FortiGate device is a spoke that establishes dynamic IPsec tunnels to the hub. It also has the network-overlay and auto-discovery-receiver options enabled, which means it can send ADVPN shortcut requests to other spokes when it receives a shortcut offer from the hub
質問 # 12
Refer to the exhibit.
Based on the exhibit, which two actions does FortiGate perform on traffic passing through port2? (Choose two.)
- A. FortiGate flushes all routing information from the session table, after a route change.
- B. FortiGate always blocks all traffic, after a route change.
- C. FortiGate does not change the routing information on existing sessions that use a valid gateway, after a route change.
- D. FortiGate performs routing lookups for new sessions only, after a route change.
正解：C、D
質問 # 13
Which CLI command do you use to perform real-time troubleshooting for ADVPN negotiation?
- A. get router info routing-table all
- B. get ipsec tunnel list
- C. diagnose vpn tunnel list
- D. diagnose debug application ike
正解：D
解説：
Explanation
IKE real-time debug - useful when debugging ADVPN shortcut messages and spoke-to-spoke negotiations.
* diagnose debug console timestamp enable
* diagnose vpn ike log filter clear
* diagnose vpn ike log filter mdst-addr4 <ip.of.hub> <ip.of.spoke>
* diagnose debug application ike -1
* diagnose debug enable
質問 # 14
The administrator uses the FortiManager SD-WAN overlay template to prepare an SD-WAN deployment.
With information provided through the SD-WAN overlay template wizard, FortiManager creates templates ready to install on spoke and hub devices.
Select three templates created by the SD-WAN overlay template for a spoke device. (Choose three.)
- A. IPsec tunnel template
- B. Overlay template
- C. System template
- D. CLI template
- E. BGP template
正解：A、B、C
解説：
In a FortiManager SD-WAN overlay template configuration for a spoke device, the system template (A) is created to provide basic device settings. The IPsec tunnel template (C) is generated to establish secure tunnels between the spoke and the hub devices. Lastly, the overlay template (E) is configured to specify the overlay network settings, which often include the SD-WAN rules and performance SLAs.
質問 # 15
Refer to the exhibit.
Based on the output, which two conclusions are true? (Choose two.)
- A. There is more than one SD-WAN rule configured.
- B. Entry1(id=1)is a regular policy route.
- C. Theall_rulesrule represents the implicit SD-WAN rule.
- D. The SD-WAN rules take precedence over regular policy routes.
正解：A、B
質問 # 16
Refer to the exhibit.
Based on the output shown in the exhibit, which two criteria on the SD-WAN member configuration can be
used to select an outgoing interface in an SD-WAN rule? (Choose two.)
- A. Set source 100.64.1.1.
- B. Set load-balance-mode source-ip-ip-based.
- C. Set cost 15.
- D. Set priority 10.
正解：C、D
質問 # 17
Refer to the exhibit.
Based on the exhibit, which two actions does FortiGate perform on sessions after a firewall policy change?
(Choose two.)
- A. FortiGate terminates the old sessions.
- B. FortiGate evaluates new sessions.
- C. FortiGate flushes all sessions.
- D. FortiGate does not change existing sessions.
正解：B、D
解説：
FortiGate not to flag existing impacted session as dirty by setting firewall-session-dirty to check new. The results is that FortiGate evaluates only new session against the new firewall policy.
質問 # 18
Refer to the exhibit.
Which algorithm does SD-WAN use to distribute traffic that does not match any of the SD-WAN rules?
- A. All traffic from a source IP is sent to the same interface.
- B. All traffic from a source IP to a destination IP is sent to the least used interface.
- C. All traffic from a source IP is sent to the most used interface.
- D. All traffic from a source IP to a destination IP is sent to the same interface.
正解：D
解説：
Study Guide 7.2, page 176.
質問 # 19
Exhibit.
The exhibit shows the output of the command diagnose sys sdwan health-check status collected on a FortiGate device. Which two statements are correct about the health check status on this FortiGate device? (Choose two.)
- A. The health-check VPN_PING orders the members according to the lowest jitter.
- B. The interface T_INET_1 missed one SLA target.
- C. There is no SLA criteria configured for the health-check Level3_DNS.
- D. The interface T_INET_0 missed three SLA targets.
正解：A、C
解説：
According to the FortiGate / FortiOS 6.4.2 Administration Guide, the health check status command displays the status of the health check probes for each SD-WAN member interface. The output includes the following information:
state: the current state of the interface, either alive or dead
packet-loss: the percentage of packets lost during the health check
latency: the average round-trip time in milliseconds
jitter: the variation in latency
mos: the mean opinion score, a measure of voice quality
bandwidth: the available bandwidth in kilobits per second for each direction (up, down, bi) sla map: a bitmap that indicates which SLA criteria are met or failed Based on the exhibit, the following statements are correct:
The health-check VPN_PING orders the members according to the lowest jitter. This means that the interface with the lowest jitter value is listed first, followed by the next lowest, and so on1. In the exhibit, the order is T_MPLS, T_INET_1, and T_INET_0.
There is no SLA criteria configured for the health-check Level3_DNS. This means that the health check does not use any SLA parameters to determine the state of the interface2. In the exhibit, the sla map value is 0x0 for both port1 and port2, indicating that no SLA criteria are applied.
質問 # 20
Refer to the exhibit.
The exhibit shows the SD-WAN rule status and configuration.
Based on the exhibit, which change in the measured packet loss will make T_INET_1_0 the new preferred member?
- A. When all three members have the same packet loss.
- B. When T_INET_1_0 has 4% packet loss.
- C. When T_INET_0_0 has 12% packet loss.
- D. When T_INET_0_0 has 4% packet loss.
正解：B
質問 # 21
Refer to the exhibit.
The exhibit shows the SD-WAN rule status and configuration.
Based on the exhibit, which change in the measured latency will make T_MPLS_0 the new preferred member?
- A. When T_N1PLS_0 has a latency of 80 ms.
- B. When T_INET_0_0 and T_MPLS_0 have the same latency.
- C. When T_INET_0_0 has a latency of 250 ms.
- D. When T_MPLS_0 has a latency of 100 ms.
正解：A
質問 # 22 
Which two conclusions for traffic that matches the traffic shaper are true? (Choose two.)
- A. The traffic shaper drops packets if the bandwidth exceeds 6250 KBps.
- B. The measured bandwidth is less than 100 KBps.
- C. The traffic shaper drops packets if the bandwidth is less than 2500 KBps.
- D. The traffic shaper limits the bandwidth of each source IP to a maximum of 6250 KBps.
正解：A、B
質問 # 23 
Exhibit B -
Exhibit A shows the system interface with the static routes and exhibit B shows the firewall policies on the managed FortiGate.
Based on the FortiGate configuration shown in the exhibits, what issue might you encounter when creating an SD-WAN zone for port1 and port2?
- A. port1 and port2 are not administratively down.
- B. port1 is assigned a manual IP address.
- C. port2 is referenced in a static route.
- D. port1 is referenced in a firewall policy.
正解：D
質問 # 24
Refer to the exhibit.
Two hub-and-spoke groups are connected through a site-to-site IPsec VPN between Hub 1 and Hub 2.
Which two configuration settings are required for Toronto and London spokes to establish an ADVPN shortcut? (Choose two.)
- A. auto-discovery-forwardermust be enabled on all IPsec VPNs.
- B. On the hubs,auto-discovery-sendermust be enabled on the IPsec VPNs to spokes.
- C. On the hubs,net-devicemust be enabled on all IPsec VPNs.
- D. On the spokes,auto-discovery-receivermust be enabled on the IPsec VPN to the hub.
正解：B、D
質問 # 25
Which two performance SLA protocols enable you to verify that the server response contains a specific value?
(Choose two.)
- A. dns
- B. http
- C. icmp
- D. twamp
正解：A、B
解説：
Performance SLA (Service Level Agreement) protocols are used in SD-WAN to monitor the quality and performance of various network services. The two protocols that specifically allow for verifying a specific value in the server response are:
* HTTP (Hypertext Transfer Protocol): HTTP is the foundation of data communication on the World Wide Web. It allows for fetching resources, such as HTML documents. You can configure an HTTP performance SLA to send specific requests (e.g., GET or POST) and then check if the response body contains a particular string or value. This is useful for validating web server functionality and content delivery.
* DNS (Domain Name System): DNS is responsible for translating domain names into IP addresses. A DNS performance SLA can be set up to query a specific domain and verify that the returned IP address or other DNS record values match what is expected. This helps ensure proper name resolution and accessibility of resources.
質問 # 26
Refer to the exhibit.
In a dual-hub hub-and-spoke SD-WAN deployment, which is a benefit of disabling theanti-replaysetting on the hubs?
- A. It instructs the hub to disable TCP sequence number check, which is required for TCP sessions originated from spokes to fail over back and forth between the hubs.
- B. It instructs the hub to not check the ESP sequence numbers on IPsec traffic, to improve performance.
- C. It instructs the hub to skip content inspection on TCP traffic, to improve performance.
- D. It instructs the hub to disable the reordering of TCP packets on behalf of the receiver, to improve performance.
正解：A
質問 # 27
Refer to the exhibits.
Exhibit A -
Exhibit B -
Exhibit A shows the traffic shaping policy and exhibit B shows the firewall policy.
The administrator wants FortiGate to limit the bandwidth used by YouTube. When testing, the administrator determines that FortiGate does not apply traffic shaping on YouTube traffic.
Based on the policies shown in the exhibits, what configuration change must be made so FortiGate performs traffic shaping on YouTube traffic?
- A. Destination internet service must be enabled on the traffic shaping policy.
- B. Web filtering must be enabled on the firewall policy.
- C. Application control must be enabled on the firewall policy.
- D. Individual SD-WAN members must be selected as the outgoing interface on the traffic shaping policy.
正解：C
質問 # 28
Refer to the exhibit.
Which two SD-WAN template member settings support the use of FortiManager meta fields? (Choose two.)
- A. Interface member
- B. Priority
- C. Cost
- D. Gateway IP
正解：A、D
質問 # 29
Refer to the exhibit.
An administrator is troubleshooting SD-WAN on FortiGate. A device behind branch1_fgt generates traffic to the 10.0.0.0/8 network. The administrator expects the traffic to match SD-WAN rule ID 1 and be routed over T_INET_0_0. However, the traffic is routed over T_INET_1_0.
Based on the output shown in the exhibit, which two reasons can cause the observed behavior? (Choose two.)
- A. T_INET_0_0 does not have a valid route to the destination.
- B. T_INET_1_0 has a lower route priority value (higher priority) than T_INET_0_0.
- C. The traffic matches a regular policy route configured with T_INET_1_0 as the outgoing device.
- D. T_INET_1_0 has a higher member configuration priority than T_INET_0_0.
正解：A、C
質問 # 30
Refer to the exhibits.
Exhibit A -
Exhibit B -
Exhibit A shows a site-to-site topology between two FortiGate devices: branch1_fgt and dc1_fgt. Exhibit B shows the system global and system settings configuration on dc1_fgt.
When branch1_client establishes a connection to dc1_host, the administrator observes that, on dc1_fgt, the reply traffic is routed over T_INET_0_0, even though T_INET_1_0 is the preferred member in the matching SD-WAN rule.
Based on the information shown in the exhibits, what configuration change must be made on dc1_fgt so dc1_fgt routes the reply traffic over T_INET_1_0?
- A. Enable auxiliary-session under config system settings.
- B. Enable snat-route-change under config system global.
- C. Disable allow-subnet-overlap under config system settings.
- D. Disable tp-session-without-syn under config system settings.
正解：A
質問 # 31
Which two statements are correct when traffic matches the implicit SD-WAN rule? (Choose two.)
- A. All SD-WAN rules have the default setting enabled.
- B. The sdwan_service_id flag in the session information is 0.
- C. Traffic is load balanced using the algorithm set for the v4-ecmp-mode setting.
- D. Traffic does not match any of the entries in the policy route table.
正解：B、D
解説：
sdwan_service_id is 0 = match SD-WAN implicit rule, study guide 7.0 page 120, 7.2 page 149 SD-WAN rules internally are interpreted as a Policy route, so when the traffic doesn't match with any policy route, it will be flowing by implict policy.
質問 # 32
Refer to the exhibit.
Two hub-and-spoke groups are connected through a site-to-site IPsec VPN between Hub 1 and Hub 2.
Which two configuration settings are required for Toronto and London spokes to establish an ADVPN shortcut? (Choose two.)
- A. On the spokes, auto-discovery-receiver must be enabled on the IPsec VPN to the hub.
- B. On the hubs, auto-discovery-sender must be enabled on the IPsec VPNs to spokes.
- C. On the hubs, net-device must be enabled on all IPsec VPNs.
- D. auto-discovery-forwarder must be enabled on all IPsec VPNs.
正解：A、B
質問 # 33
Refer to the exhibits.
Exhibit A shows the packet duplication rule configuration, the SD-WAN zone status output, and the sniffer output on FortiGate acting as the sender. Exhibit B shows the sniffer output on a FortiGate acting as the receiver.
The administrator configured packet duplication on both FortiGate devices. The sniffer output on the sender FortiGate shows that FortiGate forwards an ICMP echo request packet over three overlays, but it only receives one reply packet through T_INET_1_0.
Based on the output shown in the exhibits, which two reasons can cause the observed behavior? (Choose two.)
- A. On the receiver FortiGate, packet-de-duplication is enabled.
- B. On the sender FortiGate, duplication-max-num is set to 3.
- C. The ICMP echo request packets sent over T_INET_0_0 and T_MPLS_0 were dropped along the way.
- D. The ICMP echo request packets received over T_INET_0_0 and T_MPLS_0 were offloaded to NPU.
正解：A、B
質問 # 34
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