Question 1

You are not able to ping an interface on an SRX Series Firewall. Which two actions should you take to solve this issue? (Choose two.)

Accepted Answer

Correct answer: AD

Question 2

Which two statements are correct about security zones? (Choose two.)

Accepted Answer

Option B:Correct. Interfaces in the same security zone must belong to the same routing instance; zones cannot span multiple routing instances.
Option D:Correct. A security zone can contain multiple interfaces, allowing grouping of similar trust levels (e.g., multiple LAN subnets in a trust zone).
Option A:Incorrect. An interface can belong to only one zone at a time.
Option C:Incorrect. Interfaces within the same zone cannot be split across routing instances.
Correct Statements:Interfaces in the same zone must share the same routing instance, and a zone can contain multiple interfaces.
[Reference:Juniper Networks –Security Zones and Routing Instances, Junos OS Security Fundamentals., , ]

Question 3

When does screening occur in the flow module?

Accepted Answer

In Juniper SRX flow-based packet processing, theflow moduleis responsible for security functions such as screening, session management, NAT, and policy
enforcement. The processing order is critical:
Screens are applied before any session lookup.This ensures that packets are inspected for anomalies, floods, or protocol violations before consuming resources
for session management. Examples of these screens include TCP SYN flood protection, ICMP flood protection, and port scanning protection.
After screening, thesession lookupoccurs. At this point, the firewall checks whether the packet belongs to an existing session in the session table. If a matching
session is found, the packet bypasses policy evaluation and is forwarded according to the session state.
If no existing session is found, the packet continues throughroute lookup, NAT processing, and security policy evaluationbefore a new session is created.
Thus,screening occurs before the session lookup, protecting the system early in the flow process. This design ensures efficiency by dropping malicious or
malformed traffic before allocating session resources.
[Reference:Juniper Networks –SRX Series Services Gateways Security Processing (Flow Module Sequence), Junos OS Security Fundamentals, Official Course
Guide., , ]

Question 4

Click the Exhibit button.

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

Accepted Answer

Correct answer: AC

Question 5

Which two statements are correct about unified security policies? (Choose two.)

Accepted Answer

Correct answer: AD

Question 6

You are troubleshooting first path traffic not passing through an SRX Series Firewall. You have determined that the traffic is ingressing and egressing the correct
interfaces using a route lookup.
In this scenario, what is the next step in troubleshooting why the device may be dropping the traffic?

Accepted Answer

Correct answer: A

Question 7

You are asked to enable trace options to debug the packet flow.
In this scenario, which flag would you configure at the [edit security flow traceoptions] hierarchy?

Accepted Answer

Correct answer: A

Question 8

Click the Exhibit button.

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

Accepted Answer

Correct answer: AB

Question 9

Which statement is correct about exception traffic?

Accepted Answer

Correct answer: B

Question 10

What is transit traffic in the Junos OS?

Accepted Answer

Correct answer: A