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Juniper JN0-637 Exam Syllabus Topics:

Topic	Details
Topic 1	Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 2	Multinode High Availability (HA): In this topic, aspiring networking professionals get knowledge about multinode HA concepts. To pass the exam, candidates must learn to configure or monitor HA systems.
Topic 3	Troubleshooting Security Policies and Security Zones: This topic assesses the skills of networking professionals in troubleshooting and monitoring security policies and zones using tools like logging and tracing.
Topic 4	Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q65-Q70):

NEW QUESTION # 65
Which two statements are true regarding NAT64? (Choose two.)

A. An SRX Series device should be in flow-based forwarding mode for IPv6.
B. An SRX Series device should be in packet-based forwarding mode for IPv6.
C. An SRX Series device should be in packet-based forwarding mode for IPv4.
D. An SRX Series device should be in flow-based forwarding mode for IPv4.

Answer: A,D

Explanation:
NAT64 requires flow-based forwarding for both IPv4 and IPv6 to ensure proper stateful inspection and address translation. Packet-based forwarding does not support the necessary stateful inspection needed for NAT64. For more on NAT64, refer to Juniper NAT64 Overview.
NAT64 allows communication between IPv6 and IPv4 devices by translating IPv6 addresses to IPv4 addresses and vice versa. On Juniper SRX devices, the device's forwarding mode is crucial in how the device processes traffic.
* Flow-based forwarding mode:
* Correct: Option C: For IPv4 traffic in NAT64 configurations, SRX devices should be in flow- based forwarding mode. Flow-based mode means that the device inspects traffic sessions and tracks state, which is essential for proper NAT64 operations. This mode enables the device to monitor and translate between IPv4 and IPv6 protocols dynamically while maintaining session states.
* Correct: Option D: Similarly, for IPv6 traffic, the SRX device should also be in flow-based mode. Flow-based mode ensures the SRX tracks the IPv6-to-IPv4 translations properly by preserving the state of each connection, ensuring consistent NAT64 operations.
* Packet-based forwarding mode:Packet-based mode is not used for NAT64 operations because it does not provide stateful inspection, which is required for NAT64 to function correctly. Hence, options A and B are incorrect.
Juniper References:
* Juniper NAT64 Documentation: Discusses how NAT64 functions on SRX devices and specifies the requirement of flow-based mode for both IPv4 and IPv6 traffic when translating between these protocols.

NEW QUESTION # 66
Exhibit:

You are configuring NAT64 on your SRX Series device. You have committed the configuration shown in the exhibit. Unfortunately, the communication with the 10.10.201.10 server is not working. You have verified that the interfaces, security zones, and security policies are all correctly configured.
In this scenario, which action will solve this issue?

A. Configure proxy-NDP on the IPv6 interface for the 2001:db8::1/128 address.
B. Configure proxy-ARP on the external IPv4 interface for the 10.10.201.10/32 address.
C. Configure source NAT to translate return traffic from IPv4 address to the IPv6 address of your source device.
D. Configure destination NAT to translate return traffic from the IPv4 address to the IPv6 address of your source device.

Answer: D

NEW QUESTION # 67
Which role does an SRX Series device play in a DS-Lite deployment?

A. Softwire concentrator
B. STUN client
C. STUN server
D. Softwire initiator

Answer: D

Explanation:
In a DS-Lite deployment, the SRX device functions as the softwire initiator, which initiates IPv4-in-IPv6 tunneling to connect IPv4 hosts over an IPv6 infrastructure. For DS-Lite configurations and roles, check Juniper DS-Lite Documentation.
In a DS-Lite (Dual-Stack Lite) deployment, the SRX Series device typically acts as a softwire initiator. DS- Lite is an IPv6 transition technology that allows IPv6-enabled devices to communicate with IPv4 networks.
The softwire initiator is responsible for encapsulating IPv4 packets within an IPv6 header at the customer edge, which is then sent to the softwire concentrator (usually on the service provider's side). Juniper SRX devices can be configured for DS-Lite to support IPv6 clients while communicating with an IPv4 internet via this tunneling mechanism.
To configure DS-Lite on a Juniper SRX device, you'd follow these steps:
* Configure the DS-Lite AFTR (Address Family Transition Router) with the correct IPv6 addressing and routing parameters.
* Enable DS-Lite functionality on the SRX device using Junos OS commands.
* Verify connectivity and ensure that traffic from IPv6 devices is correctly tunneled over IPv4 using tools like ping and traceroute over IPv6.

NEW QUESTION # 68
Click the Exhibit button.

You have configured a CoS-based VPN that is not functioning correctly. Referring to the exhibit, which action will solve the problem?

A. You must use inet precedence instead of DSCP.
B. You must change the code point for the DB-data forwarding class to 10000.
C. You must change the loss priorities of the forwarding classes to low.
D. You must delete one forwarding class.

Answer: D

NEW QUESTION # 69
Which two log format types are supported by the JATP appliance? (Choose two.)

A. CSV
B. XML
C. YAML
D. YANG

Answer: A,B

Explanation:
https://www.juniper.net/documentation/en_US/release-independent/jatp/topics/topic-map/jatp-custom- log-ingestion.html

NEW QUESTION # 70
......

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JN0-637 Pass4sure Training - JN0-637 Latest Vce & JN0-637 Free Demo

Juniper JN0-637 Exam Syllabus Topics:

2025 Juniper Accurate JN0-637: Trustworthy Security, Professional (JNCIP-SEC) Exam Torrent

Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q65-Q70):

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