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Fortinet NSE7_SDW-7.2 Fortinet NSE 7 - SD-WAN 7.2 Exam Practice Test

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Total 81 questions

Fortinet NSE 7 - SD-WAN 7.2 Questions and Answers

Question 1

Refer to the exhibit.

Question # 1

Based on the exhibit, which action does FortiGate take?

Options:

A.

FortiGate bounces port5 after it detects all SD-WAN members as dead.

B.

FortiGate fails over to the secondary device after it detects all SD-WAN members as dead.

C.

FortiGate brings up port5 after it detects all SD-WAN members as alive.

D.

FortiGate brings down port5 after it detects all SD-WAN members as dead.

Question 2

Refer to the exhibits.

Exhibit A

Question # 2

Exhibit B -

Question # 2

Exhibit A shows the configuration for an SD-WAN rule and exhibit B shows the respective rule status, the routing table, and the member status.

The administrator wants to understand the expected behavior for traffic matching the SD-WAN rule.

Based on the exhibits, what can the administrator expect for traffic matching the SD-WAN rule?

Options:

A.

The traffic will be load balanced across all three overlays.

B.

The traffic will be routed over T_INET_0_0.

C.

The traffic will be routed over T_MPLS_0.

D.

The traffic will be routed over T_INET_1_0.

Question 3

What is a benefit of using application steering in SD-WAN?

Options:

A.

The traffic always skips the regular policy routes.

B.

You steer traffic based on the detected application.

C.

You do not need to enable SSL inspection.

D.

You do not need to configure firewall policies that accept the SD-WAN traffic.

Question 4

Refer to the exhibits.

Question # 4

Exhibit A shows two IPsec templates to define Branch_IPsec_1 and Branch_IPsec_2. Each template defines a VPN tunnel.

Exhibit B shows the error message that FortiManager displayed when the administrator tried to assign the second template to the FortiGate device.

Which statement best explain the cause for this issue?

Options:

A.

You can assign only one template with a tunnel of fype static to each FortiGate device

B.

You can define only one IPsec tunnel from branch devices to HUB1.

C.

You can assign only one IPsec template to each FortiGate device.

D.

You should review the branch1_fgt configuration for the already configured tunnel with the name HUB1-VPN2.

Question 5

Which two protocols in the IPsec suite are most used for authentication and encryption? (Choose two.)

Options:

A.

Encapsulating Security Payload (ESP)

B.

Secure Shell (SSH)

C.

Internet Key Exchange (IKE)

D.

Security Association (SA)

Question 6

Question # 6

Exhibit B –

Question # 6

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?

Options:

A.

port1 is assigned a manual IP address.

B.

port1 is referenced in a firewall policy.

C.

port2 is referenced in a static route.

D.

port1 and port2 are not administratively down.

Question 7

What are two benefits of using forward error correction (FEC) in IPsec VPNs? (Choose two.)

Options:

A.

FEC supports hardware offloading.

B.

FEC improves reliability of noisy links.

C.

FEC transmits parity packets that can be used to reconstruct packet loss.

D.

FEC can leverage multiple IPsec tunnels for parity packets transmission.

Question 8

Exhibit.

Question # 8

The exhibit shows VPN event logs on FortiGate. In the output shown in the exhibit, which statement is true?

Options:

A.

There are no IPsec tunnel statistics log messages for ADVPN cuts.

B.

There is one shortcut tunnel built from master tunnel T_MPLS_0.

C.

The VPN tunnel T_MPLS_0 is a shortcut tunnel.

D.

The master tunnel T_INET_0 cannot accept the ADVPN shortcut. 

Question 9

Refer to the exhibit.

Question # 9

Based on the output, which two conclusions are true? (Choose two.)

Options:

A.

There is more than one SD-WAN rule configured.

B.

The SD-WAN rules take precedence over regular policy routes.

C.

The all_rules rule represents the implicit SD-WAN rule.

D.

Entry 1(id=1) is a regular policy route.

Question 10

Which statement about using BGP for ADVPN is true?

Options:

A.

You must use BGP to route traffic for both overlay and underlay links.

B.

You must configure AS path prepending.

C.

You must configure BGP communities.

D.

IBGP is preferred over EBGP, because IBGP preserves next hop information.

Question 11

Refer to the exhibit.

Question # 11

Which two statements about the IPsec VPN configuration and the status of the IPsec VPN tunnel are true? (Choose two.)

Options:

A.

FortiGate does not install IPsec static routes for remote protected networks in the routing table. Most Voted

B.

The phase 1 configuration supports the network-overlay setting. Most Voted

C.

FortiGate facilitated the negotiation of the T_INET_1_0_0 ADVPN shortcut over T_INET_1_0.

D.

Dead peer detection is disabled.

Question 12

Which two statements are true about using SD-WAN to steer local-out traffic? (Choose two.)

Options:

A.

FortiGate does not consider the source address of the packet when matching an SD-WAN rule for local-out traffic.

B.

By default, local-out traffic does not use SD-WAN.

C.

By default, FortiGate does not check if the selected member has a valid route to the destination.

D.

You must configure each local-out feature individually, to use SD-WAN.

Question 13

The SD-WAN overlay template helps to prepare SD-WAN deployments. To complete the tasks performed by the SD-WAN overlay template, the administrator must perform some post-run tasks. What are three mandatory post-run tasks that must be performed? (Choose three.)

Options:

A.

Create policy packages for branch devices.

B.

Assign an sdwan_id metadata variable to each device (branch and hub}.

C.

Configure routing through overlay tunnels created by the SD-WAN overlay template.

D.

Assign a branch_id metadata variable to each branch device.

E.

Configure SD-WAN rules.

Question 14

Refer to the exhibit.

Question # 14

In a dual-hub hub-and-spoke SD-WAN deployment, which is a benefit of disabling the anti-replay setting on the hubs?

Options:

A.

It instructs the hub to disable the reordering of TCP packets on behalf of the receiver, to improve performance.

B.

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.

C.

It instructs the hub to not check the ESP sequence numbers on IPsec traffic, to improve performance.

D.

It instructs the hub to skip content inspection on TCP traffic, to improve performance.

Question 15

Refer to the exhibit.

Question # 15

Which statement about the role of the ADVPN device in handling traffic is true?

Options:

A.

This is a spoke that has received a query from a remote hub and has forwarded the response to its hub.

B.

Two hubs, 10.0.1.101 and 10.0.2.101, are receiving and forwarding queries between each other.

C.

This is a hub that has received a query from a spoke and has forwarded it to another spoke.

D.

Two spokes, 192.2.0.1 and 10.0.2.101, forward their queries to their hubs.

Question 16

Refer to the exhibit.

Question # 16

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.)

Options:

A.

The traffic matches a regular policy route configured with T_INET_1_0 as the outgoing device.

B.

T_INET_1_0 has a lower route priority value (higher priority) than T_INET_0_0.

C.

T_INET_0_0 does not have a valid route to the destination.

D.

T_INET_1_0 has a higher member configuration priority than T_INET_0_0.

Question 17

Question # 17

Two hub-and-spoke groups are connected through a site-to-site IPsec VPN between Hub 1 and Hub 2. The administrator configured ADVPN on both hub-and-spoke groups.

Which two outcomes are expected if a user in Toronto sends traffic to London? (Choose two.)

Options:

A.

London generates an IKE information message that contains the Toronto public IP address.

B.

Traffic from Toronto to London triggers the dynamic negotiation of a direct site-to-site VPN.

C.

Toronto needs to establish a site-to-site tunnel with Hub 2 to bypass Hub 1.

D.

The first packets from Toronto to London are routed through Hub 1 then to Hub 2.

Question 18

Refer to the exhibit.

Question # 18

FortiGate has multiple dial-up VPN interfaces incoming on port1 that match only FIRST_VPN.

Which two configuration changes must be made to both IPsec VPN interfaces to allow incoming connections to match all possible IPsec dial-up interfaces? (Choose two.)

Options:

A.

Specify a unique peer ID for each dial-up VPN interface.

B.

Use different proposals are used between the interfaces.

C.

Configure the IKE mode to be aggressive mode.

D.

Use unique Diffie Hellman groups on each VPN interface.

Question 19

Refer to the exhibits.

Question # 19

Question # 19

An administrator is testing application steering in SD-WAN. Before generating test traffic, the administrator collected the information shown in exhibit A.

After generating GoToMeeting test traffic, the administrator examined the respective traffic log on FortiAnalyzer, which is shown in exhibit B. The administrator noticed that the traffic matched the implicit SD-WAN rule, but they expected the traffic to match rule ID 1.

Which two reasons explain why the traffic matched the implicit SD-WAN rule? (Choose two.)

Options:

A.

FortiGate did not refresh the routing information on the session after the application was detected.

B.

Port1 and port2 do not have a valid route to the destination.

C.

Full SSL inspection is not enabled on the matching firewall policy.

D.

The session 3-tuple did not match any of the existing entries in the ISDB application cache.

Question 20

What is the route-tag setting in an SD-WAN rule used for?

Options:

A.

To indicate the routes for health check probes.

B.

To indicate the destination of a rule based on learned BGP prefixes.

C.

To indicate the routes that can be used for routing SD-WAN traffic.

D.

To indicate the members that can be used to route SD-WAN traffic.

Question 21

What does enabling the exchange-interface-ip setting enable FortiGate devices to exchange?

Options:

A.

The gateway address of their IPsec interfaces

B.

The tunnel ID of their IPsec interfaces

C.

The IP address of their IPsec interfaces

D.

The name of their IPsec interfaces

Question 22

Refer to the exhibit.

Question # 22

Based on the exhibit, which two actions does FortiGate perform on sessions after a firewall policy change? (Choose two.)

Options:

A.

FortiGate flushes all sessions.

B.

FortiGate terminates the old sessions.

C.

FortiGate does not change existing sessions.

D.

FortiGate evaluates new sessions.

Question 23

Refer to the exhibits.

Exhibit A

Question # 23

Exhibit B

Question # 23

Exhibit A shows the source NAT (SNAT) global setting and exhibit B shows the routing table on FortiGate.

Based on the exhibits, which two actions does FortiGate perform on existing sessions established over port2, if the administrator increases the static route priority on port2 to 20? (Choose two.)

Options:

A.

FortiGate flags the sessions as dirty.

B.

FortiGate continues routing the sessions with no SNAT, over port2.

C.

FortiGate performs a route lookup for the original traffic only.

D.

FortiGate updates the gateway information of the sessions with SNAT so that they use port1 instead of port2.

Question 24

Refer to the exhibits.

Exhibit A -

Question # 24

Exhibit B -

Question # 24

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?

Options:

A.

Enable auxiliary-session under config system settings.

B.

Disable tсp-session-without-syn under config system settings.

C.

Enable snat-route-change under config system global.

D.

Disable allow-subnet-overlap under config system settings.

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Total 81 questions