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Question 1

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You have a multinode HA default mode deployment and the ICL is down. In this scenario, what are two ways that the SRX Series devices verify the activeness of their peers? (Choose two.)

Question 2

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Click the Exhibit button. Referring to the exhibit, which two statements are true? (Choose two.)

Question 3

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You are setting up multinode HA for redundancy. Which two statements are correct in this scenario? (Choose two.)

Question 4

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You want to configure the SRX Series device to map two peer interfaces together and ensure that there is no switching or routing lookup to forward traffic. Which feature on the SRX Series device is

Question 5

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You are enabling advanced policy-based routing. You have configured a static route that has a next hop from the inet.0 routing table. Unfortunately, this static route is not active in your routing i

Question 6

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Exhibit: Referring to the flow logs exhibit, which two statements are correct? (Choose two.)

Question 7

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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 worki

Question 8

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What are three core components for enabling advanced policy-based routing? (Choose three.)

Question 9

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You want to bypass IDP for traffic destined to social media sites using APBR, but it is not working and IDP is dropping the session. What are two reasons for this problem? (Choose two.)

Question 10

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Which two statements are correct about mixed mode? (Choose two.)

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Related questions

Which two statements are true regarding NAT64? (Choose two.)

You are deploying IPsec VPNs to securely connect several enterprise sites with ospf for dynamic routing. Some of these sites are secured by third-party devices not running Junos. Which two statements are true for this deployment? (Choose two.)

You are attempting to ping an interface on your SRX Series device, but the ping is unsuccessful. What are three reasons for this behavior? (Choose three.)

Exhibit: Which two statements are correct about the output shown in the exhibit. (Choose Two)

Click the Exhibit button. Referring to the exhibit, which two statements are correct? (Choose two.)

Which two statements are true regarding NAT64? (Choose two.)

Exhibit: Referring to the flow logs exhibit, which two statements are correct? (Choose two.)

Click the Exhibit button. Referring to the exhibit, which two statements are true? (Choose two.)

You want to bypass IDP for traffic destined to social media sites using APBR, but it is not working and IDP is dropping the session. What are two reasons for this problem? (Choose two.)

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?

Question 70 - JN0-637 discussion

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Which two statements are true regarding NAT64? (Choose two.)

A.

An SRX Series device should be in flow-based forwarding mode for IPv4.

B.

An SRX Series device should be in packet-based forwarding mode for IPv4.

C.

An SRX Series device should be in packet-based forwarding mode for IPv6.

D.

An SRX Series device should be in flow-based forwarding mode for IPv6.

Suggested answer: A, D

Explanation:

Comprehensive Detailed Step-by-Step Explanation with All Juniper Security Reference

Understanding NAT64:

NAT64 allows IPv6-only clients to communicate with IPv4 servers by translating IPv6 addresses to IPv4 addresses and vice versa.

It is essential in environments where IPv6 clients need access to IPv4 resources.

Flow-Based vs. Packet-Based Forwarding Modes:

Flow-Based Forwarding Mode:

The SRX device processes packets based on the session state.

Supports advanced services like NAT, IDP, and ALG.

Packet-Based Forwarding Mode:

The SRX device processes each packet individually without maintaining session state.

Limited support for advanced services.

Option A: An SRX Series device should be in flow-based forwarding mode for IPv4.

True.

NAT64 requires flow-based mode for IPv4 traffic to properly translate and maintain session states.

Option B: An SRX Series device should be in packet-based forwarding mode for IPv4.

False.

Packet-based mode does not support NAT features.

Option C: An SRX Series device should be in packet-based forwarding mode for IPv6.

False.

Similar to IPv4, NAT64 requires flow-based mode for IPv6 traffic.

Option D: An SRX Series device should be in flow-based forwarding mode for IPv6.

True.

Flow-based mode is necessary for NAT64 to handle IPv6 traffic correctly.

Key Points:

NAT64 Requires Flow-Based Mode:

Both IPv4 and IPv6 interfaces involved in NAT64 must be configured in flow-based mode.

This is because NAT64 relies on session information and stateful packet inspection.

Packet-Based Mode Limitations:

Does not support NAT, as it lacks session awareness.

Not suitable for NAT64 operations.

Juniper Security

Reference:

Juniper Networks Documentation:

'NAT64 is supported only in flow-based processing mode.'

Source: Configuring NAT64

Understanding Flow-Based and Packet-Based Modes:

'Flow-based mode is required for stateful services such as NAT.'

Source: Flow-Based and Packet-Based Processing

Conclusion:

To implement NAT64 on an SRX Series device, both IPv4 and IPv6 traffic must be processed in flow-based forwarding mode.

Therefore, Options A and D are the correct statements.

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asked 01/11/2024

Eric Hebert

35 questions

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Your answer: A B C D

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