Dec-2024 New Version NSE7_NST-7.2 Certificate & Helpful Exam Dumps is Online
NSE7_NST-7.2 Free Certification Exam Material with 40 Q&As
NEW QUESTION # 10 
If the default settings are in place, what can you conclude about the conserve mode shown in the exhibit?
- A. FortiGate is currently blocking new sessions that require flow-based or proxy-based content inspection.
- B. FortiGate is currently allowing new sessions that require flow-based or proxy-based content inspection but is not performing inspection on those sessions.
- C. FortiGate is currently allowing new sessions that require flow-based content inspection and blocking sessions that require proxy-based content inspection.
- D. FortiGate is currently blocking all new sessions regardless of the content inspection requirements or configuration settings because of high memory use.
Answer: A
Explanation:
* Conserve Mode Overview:Conserve mode is a state that FortiGate enters to protect itself from running out of memory. It is triggered when the memory usage reaches certain thresholds.
* Thresholds:The default settings for conserve mode thresholds are:
* Red Threshold:88% memory usage.
* Extreme Threshold:95% memory usage.
* Green Threshold:82% memory usage.
* Impact on Sessions:When in conserve mode:
* New sessions requiring flow-based content inspection are blocked.
* New sessions requiring proxy-based content inspection are also blocked to free up memory resources.
* Current Memory State in Exhibit:The exhibit shows:
* Total RAM: 3040 MB.
* Memory used: 2706 MB (89% of total RAM).
* Memory usage exceeds the red threshold (88%), thus triggering conserve mode.
Given that the memory usage is above the red threshold and conserve mode is active, the FortiGate will block new sessions requiring both flow-based and proxy-based content inspection to conserve memory.
References:
* Fortinet Community: Explanation of Conserve Mode and Its Impact(Welcome to the Fortinet Community!)(Welcome to the Fortinet Community!).
* Fortinet Documentation: Conserve Mode Settings and Management(Fortinet Docs).
NEW QUESTION # 11
Refer to the exhibit, which shows the omitted output of a real-time OSPF debug
Which statement is false?
- A. One FortiGate device is configured to require authentication, while the other is not
- B. The Hello packet is being sent from an OSPF router with ID 0.0.0.112.
- C. The two FortiGate devices attempting adjacency are in area 0.0.0.0.
- D. A password has been configured on the local OSPF router but is not shown in the output
Answer: D
Explanation:
* Examine the OSPF debug output:
* The OSPF Hello packet debug output shows the Router ID as0.0.0.112.
* It shows that the OSPF packet is being sent from0.0.0.112viaport2:192.168.37.114.
* The OSPF Hello packet contains information such as the network mask (255.255.255.0), hello interval (10), router priority (1), dead interval (40), and designated router (192.168.37.114) and backup designated router (192.168.37.115).
* Check the area configuration:
* The area ID is shown as0.0.0.0, indicating that the two devices attempting adjacency are in area
0.0.0.0.
* Authentication mismatch:
* The debug output indicates an "Authentication type mismatch". This means one device is configured to require authentication while the other is not.
* Password configuration:
* The statement claiming that "A password has been configured on the local OSPF router but is not shown in the output" is false because the output indicates an authentication mismatch, not the presence or absence of a password. The other statements are true based on the provided debug output.
References
* Fortinet Network Security 7.2 Support Engineer Documentation
* OSPF Configuration Guides
NEW QUESTION # 12
Refer to the exhibit.
FortiGate has already been configured with a firewall policy that allows all ICMP traffic to flow from port1 to port3.
Which changes must the administrator perform to ensure the server at 10.4.0.1/24 receives the echo reply from the laptop at 10.1.0.1/24?
- A. A firewall policy that allows all ICMP traffic from port3 to port1.
- B. Enable asymmetric routing under config system settings.
- C. Modify the default gateway on thelaptop from 10.1.0.2 to 10.2.0.2
- D. Change the configuration from strict RPF check mode to feasible RPF check mode
Answer: A
Explanation:
* Current Configuration Analysis:
* The firewall policy currently allows ICMP traffic from port1 to port3, enabling the ICMP echo request to reach the server.
* However, for the server to send an ICMP echo reply back to the laptop, the traffic must be allowed from port3 to port1.
* Required Configuration:
* To ensure the server at10.4.0.1/24can send the ICMP echo reply back to the laptop at10.1.0.1/24, the administrator needs to configure a new firewall policy.
* The policy must explicitly allow ICMP traffic from port3 to port1.
* Steps to Configure:
* Access the FortiGate configuration interface.
* Navigate to the Firewall Policy section.
* Create a new policy allowing ICMP traffic from port3 to port1.
* Save and apply the new policy to ensure bidirectional ICMP traffic is permitted.
References
* Fortinet Network Security 7.2 Support Engineer Documentation
* FortiGate Firewall Policy Configuration Guides
NEW QUESTION # 13
Refer to the exhibit, which shows the output of a real-time debug.
Which statement about this output is true?
- A. The server hostname was extracted from the SNI in the client request, or from the CN in the server certificate
- B. The requested URL belongs to category ID 255.
- C. FortiGate found the requested URL in its local cache.
- D. This web request was inspected using the rtgd-allowweb filter profile.
Answer: A
Explanation:
The exhibit displays the output of a real-time debug of the URL filtering process on a FortiGate device. The debug output includes various details about a web request being processed.
* SNI (Server Name Indication): This is part of the SSL/TLS handshake where the client specifies the hostname it is trying to connect to. FortiGate can use this information to apply appropriate web filtering rules based on the server name.
* CN (Common Name): This is a field in the server's SSL certificate that typically contains the server's hostname. FortiGate can extract this information to verify the identity of the server and apply security policies accordingly.
Given that the debug output includes the hostname "training.fortinet.com," it is likely derived from the SNI in the client's request or the CN in the server's certificate, indicating that FortiGate is using this information to process the web request.
References
* Fortinet Community Documentation on Real-time Debugging
NEW QUESTION # 14
Refer to the exhibit, which shows a truncated output of a real-time LDAP debug.
What two conclusions can you draw from the output? (Choose two.)
- A. FortiOS is performing the second step (Search Request) in the LDAP authentication process.
- B. The name of the configured LDAP server is Lab.
- C. FortiOS is able to locate the user in step 3 (Bind Request) of the LDAP authentication process.
- D. The user is authenticating using CN=John Smith.
Answer: A,C
Explanation:
* LDAP Authentication Process:
* LDAP (Lightweight Directory Access Protocol) authentication involves several steps: Bind Request, Search Request, and Bind Response.
* The Bind Request is used to authenticate the client to the LDAP server.
* The Search Request is used to find the directory entry that matches the provided criteria.
* Analyzing the Exhibit:
* The exhibit shows a real-time LDAP debug output.
* The debug log includes a successful resolution of the LDAP FQDN, indicating that the LDAP server was reached.
* The debug log also shows the start of a search using the distinguished name (DN) base and a filter to locate the userjsmith.
* Conclusion:
* Since FortiOS successfully resolved the LDAP server and initiated a search for the userjsmith, it indicates that the LDAP server was located, and the search request was performed.
References:
* Fortinet Community: Understanding LDAP authentication steps and troubleshooting(Fortinet Docs).
* Fortinet Documentation: LDAP integration and debugging in FortiOS(Welcome to the Fortinet Community!).
NEW QUESTION # 15
Which statement about IKE and IKE NAT-T is true?
- A. They each use their own IP protocol number.
- B. IKE is the standard implementation for IKEv1and IKE NAT-T is an extension added in IKEv2.
- C. They both use UDP as their transport protocol and the port number is configurable.
- D. IKE is used to encapsulate ESP traffic in some situations, and IKE NAT-T is used only when the local FortiGate is using NAT on the IPsec interface.
Answer: C
Explanation:
* IKE (Internet Key Exchange):IKE is a protocol used to set up a security association (SA) in the IPsec protocol suite. It is utilized to negotiate, create, and manage SAs.
* NAT-T (Network Address Translation-Traversal):NAT-T is used to enable IPsec VPN traffic to pass through NAT devices. It encapsulates IPsec ESP packets into UDP packets.
* Transport Protocol:Both IKE and IKE NAT-T use UDP as their transport protocol.
* Port Numbers:By default, IKE uses UDP port 500. NAT-T typically uses UDP port 4500. However, these port numbers can be configured as needed.
References:
* Fortinet Network Security Support Engineer Study Guide for FortiOS 7.2(Fortinet Docs)(ebin.pub).
* Fortinet Documentation on IPsec VPN Configuration(Fortinet Docs).
NEW QUESTION # 16
Which statement is correct regarding LDAP authentication using the regular bind type?
- A. The regular bind type is the easiest bind type to configure on FortiOS.
- B. The regular bind type goes through four steps to successfully authenticate a user.
- C. The regular bind type cannot be used if users are authenticated using sAMAccountName.
- D. The regular bind typerequires a FortiGate super_adminaccount.
Answer: B
Explanation:
* LDAP Authentication Process:
* The regular bind type for LDAP authentication involves multiple steps to verify user credentials.
* Step 1: The client sends a bind request with the username to the LDAP server.
* Step 2: The LDAP server responds to the bind request.
* Step 3: The client sends a bind request with the password.
* Step 4: The LDAP server responds, confirming or denying the authentication.
* Explanation of answer:
* The regular bind type follows these four steps to authenticate a user, making it a comprehensive method but not necessarily the easiest to configure.
* The statement regarding sAMAccountName and super_admin account requirements are not accurate in the context of regular bind type LDAP authentication on FortiOS.
References
* Fortinet Network Security 7.2 Support Engineer Documentation
* FortiOS LDAP Authentication Configuration Guides
NEW QUESTION # 17
Consider the scenario where the server name indication (SNI) does not match either the common name (CN) or any of the subject alternative names (SAN) in the server certificate. Which action will FortiGate take when using the default settingsfor SSL certificate inspection?
- A. FortiGate uses the 31 information from the Subject field in the server certificate.
- B. FortiGate uses the first entry listed in the SAN field in the server certificate.
- C. FortiGate closes the connection because this represents an invalid SSL/TLS configuration
- D. FortiGate uses the SNI from the user's web browser.
Answer: C
Explanation:
* SNI and Certificate Mismatch:When the Server Name Indication (SNI) does not match either the Common Name (CN) or any of the Subject Alternative Names (SAN) in the server certificate, FortiGate's default behavior is to consider this as an invalid SSL/TLS configuration.
* Default Action:FortiGate, under default settings for SSL certificate inspection, will close the connection to prevent potential security risks associated with mismatched certificates.
References:
* Fortinet Community: SSL Certificate Inspection Configuration and Behavior(Welcome to the Fortinet Community!).
NEW QUESTION # 18
Which exchange lakes care of DoS protection in IKEv2?
- A. IKE_Auth
- B. Create_CHILD_SA
- C. IKE_SA_INIT
- D. IKE_Req_INIT
Answer: C
Explanation:
* IKE_SA_INIT Exchange:
* The IKE_SA_INIT exchange is the first step in the IKEv2 negotiation process. It is responsible for setting up the initial security association (SA) and performing Diffie-Hellman key exchange.
* During this exchange, the responder may employ various measures to protect against Denial of Service (DoS) attacks, such as rate limiting and the use of puzzles to increase the computational cost for an attacker.
* DoS Protection Mechanisms:
* One key method involves limiting the number of half-open SAs from any single IP address or subnet.
* The IKE_SA_INIT exchange can also incorporate the use of stateless cookies, which help to verify the initiator's legitimacy without requiring extensive resource allocation by the responder until the initiator is verified.
References:
* RFC 5996: Internet Key Exchange Protocol Version 2 (IKEv2)(RFC Editor).
* RFC 8019: Protecting Internet Key Exchange Protocol Version 2 (IKEv2) Implementations from Distributed Denial-of-Service Attacks(IETF Datatracker).
NEW QUESTION # 19
Refer to the exhibit, which shows the omitted output of FortiOS kernel slabs.
Which statement is true?
- A. The total slab size of the ip_session slab is 3600 kB and is associated with the user space.
- B. The total slab size of the tcp_sessior. slab Is 7500 kB and is associated with the kernel.
- C. The total slab size of the sctp_session slab is 0 kB and is associated with the user space
- D. The total slab size of the ip6_session slab is 1300 kB and is associated with the kernel.
Answer: D
Explanation:
* Kernel Slabs Overview:
* The slab allocator in the Linux kernel is used for efficient memory management. It groups objects of the same type into caches, which are divided into slabs.
* Each slab contains multiple objects and helps to minimize fragmentation and enhance memory allocation efficiency.
* Interpreting the Exhibit:
* The exhibit shows output related to various kernel slab caches.
* The line forip6_sessionindicates that there are 1300 kB allocated for this slab, which means the total memory size allocated for IPv6 session objects in the kernel is 1300 kB.
References:
* Fortinet Community: Explanation of kernel slab allocation and usage(Welcome to the Fortinet Community!)(Hammertux).
* Linux Kernel Documentation: Slab Allocator details(Hammertux).
NEW QUESTION # 20 
Refer to the exhibit, which shows the output of a diagnose command.
What can you conclude from the RTT value?
- A. It determines which FortiGuard server is used for license validation.
- B. lts initial value is statically set to 10.
- C. Its value is incremented with each packet lost.
- D. Its value represents the time it takes to receive a response after a rating request is sent to a particular server.
Answer: D
Explanation:
* RTT (Round Trip Time):
* RTT in the context of the FortiGuard server list indicates the time it takes for a request to be sent to a FortiGuard server and for a response to be received.
* This metric helps determine the latency between the FortiGate device and the FortiGuard servers, which is crucial for ensuring efficient and quick updates and responses for services like web
* filtering and antivirus updates.
* Server Selection:
* The FortiGate device uses RTT values to prioritize servers. Servers with lower RTT values are preferred as they respond faster, ensuring minimal delay in processing requests.
* This improves the overall performance of FortiGuard services by reducing the time it takes to communicate with the servers.
References:
* Fortinet Community: Troubleshooting FortiGuard server connections and RTT values(Welcome to the Fortinet Community!)(Fortinet Docs).
* Fortinet Documentation: FortiGuard server settings and RTT explanation(Welcome to the Fortinet Community!)(Fortinet Docs).
NEW QUESTION # 21
Refer to the exhibit, which shows a truncated output of a real-time RADIUS debug.
Which two statements are true? (Choose two.)
- A. The RADIUS server queried for authentication is located at IP address 172.25.188.164.
- B. Authentication was successful
- C. The authentication scheme used was pop3.
- D. Authentication was unsuccessful.
- E. Two-factor authentication was required.
Answer: A,D
Explanation:
* RADIUS Server IP Address:
* The debug output shows that the RADIUS request was sent to the server atIP=172.25.188.164.
This indicates that the RADIUS server being queried for authentication is indeed located at this IP address.
* Authentication Result:
* The debug output includes a line indicating the result for the RADIUS server:Result for radius svr 'RadiusServer' 172.25.188.164(0) is 0. A result code of0typically signifies that the authentication attempt was unsuccessful.
* Authentication Scheme:
* The debug output does not indicate that the authentication scheme used was pop3; it mentions using CHAP (Challenge Handshake Authentication Protocol).
* Two-factor Authentication:
* There is no indication in the debug output that two-factor authentication was required for this session.
References
* Fortinet Network Security 7.2 Support Engineer Documentation
* RADIUS Authentication Configuration and Debugging Guides
NEW QUESTION # 22
There are four exchanges during IKEv2 negotiation.
Which sequence is correct?
- A. INIT_Re, INIT_Auth,ID_Child and SET_Nonce
- B. IKE_Proposal,ID_Auth, PiggyBack_CHILD and Informational
- C. IKE_SAJNIT, IKE_Auth, Create_CHILD_SA and Informational
- D. lnit_Req, Wait_lnit_Req,ID_Auth_Req and Create_CHILD_SA
Answer: C
Explanation:
* IKE_SA_INIT:
* This is the first exchange in IKEv2. It establishes a secure, authenticated channel between peers and negotiates cryptographic algorithms and keys.
* IKE_Auth:
* The second exchange authenticates the IKE SA (Security Association) using the previously negotiated keys and algorithms. This exchange also establishes the first IPsec SA.
* Create_CHILD_SA:
* This exchange creates additional IPsec SAs after the initial authentication. It can also be used to rekey existing IPsec SAs to maintain security.
* Informational:
* This is a generic exchange used for various purposes such as error notification, deletion of SAs, and other control messages.
References:
* Fortinet Community: IKEv2 packet exchanges and troubleshooting
* Fortinet Documentation: IPsec VPN Concepts
NEW QUESTION # 23
Which three conditions are required for two FortiGate devices to form an OSPF adjacency? (Choose three.)
- A. OSPF router IDs are unique.
- B. OSPF interface network types match
- C. OSPF link costs match.
- D. OSPF interface priority settings are unique
- E. Authentication settings match.
Answer: A,B,E
Explanation:
* OSPF Interface Network Types:
* The network types of the interfaces on both FortiGate devices must match. Common network
* types include broadcast, point-to-point, and non-broadcast multi-access (NBMA).
* Authentication Settings:
* Both devices must have matching authentication settings (if authentication is used). This includes the same authentication type (none, simple password, or MD5) and the same password or key.
* OSPF Router IDs:
* Each OSPF router must have a unique router ID within the OSPF domain. The router ID is typically an IPv4 address selected from one of the router's interfaces or manually configured.
* Link Costs and Interface Priority:
* While link costs and interface priorities are important for route selection and designated router (DR) elections, they do not prevent OSPF adjacency formation if they differ.
References
* Fortinet Network Security 7.2 Support Engineer Documentation
* OSPF Configuration Guides
NEW QUESTION # 24
Exhibit.
Refer to the exhibit, which contains the partial output of the get vpn ipsec tunnel details command. Based on the output, which two statements are correct? (Choose two.)
- A. Different SPI values are a result of auto-negotiation being disabled for phase 2 selectors.
- B. The npu_flag for this tunnel is 02
- C. The npu_flag for this tunnel is 03.
- D. Anti-replay is enabled.
Answer: B,D
Explanation:
* Anti-replay Enabled:
* The exhibit showsreplay: enabled, which confirms that anti-replay is enabled for this IPsec tunnel. Anti-replay is a security feature that prevents replay attacks by ensuring that packets are not duplicated or reused.
* NPU Acceleration:
* TheNPU acceleration: encryption (outbound) decryption (inbound)line indicates that Network Processing Unit (NPU) acceleration is used.
* The npu_flag for this tunnel is 02. This indicates that encryption and decryption are handled by the NPU, improving the performance of the VPN tunnel.
References:
* Fortinet Community: Troubleshooting IPsec VPN Tunnels(Welcome to the Fortinet Community!)(Welcome to the Fortinet Community!).
* Fortinet Documentation: Verifying IPsec VPN Tunnels(Fortinet Docs)(Fortinet Docs).
NEW QUESTION # 25
Which two statements about conserve mode are true? (Choose two.)
- A. FortiGate enters conserve mode when the system memory reaches the configured extreme threshold.
- B. FortiGate starts taking the configured action for new sessions requiring content inspection when the system memory reaches the configured red threshold.
- C. FortiGate exits conserve mode when the system memory goes below the configured green threshold
- D. FortiGate starts dropping all new sessions when the system memory reaches the configured red threshold.
Answer: C,D
Explanation:
* Conserve Mode Activation:
* FortiGate enters conserve mode to prevent system crashes when the memory usage reaches critical levels. The "red threshold" is the point at which FortiGate starts dropping new sessions to conserve memory.
* When the system memory usage exceeds this threshold, the FortiGate will block new sessions that require significant memory resources, such as those needing content inspection.
* Exiting Conserve Mode:
* The "green threshold" is the memory usage level below which FortiGate exits conserve mode and resumes normal operation.
* Once the system memory usage drops below this threshold, FortiGate will start allowing new sessions again.
References:
* Fortinet Community: Understanding conserve mode and its thresholds(Welcome to the Fortinet Community!)(Welcome to the Fortinet Community!).
* Fortinet Documentation: Memory conserve mode and thresholds(Welcome to the Fortinet Community!)(Fortinet GURU).
NEW QUESTION # 26
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