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Juniper JN0-637 Exam Syllabus Topics:

Topic	Details
Topic 1	Advanced IPsec VPNs: Focusing on networking professionals, this part covers advanced IPsec VPN concepts and requires candidates to demonstrate their skills in real-world applications.
Topic 2	Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
Topic 3	Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
Topic 4	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.

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Juniper JN0-637 Actualtest | JN0-637 Exam Lab Questions

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q61-Q66):

NEW QUESTION # 61
Which two security intelligence feed types are supported?

A. infected host feed
B. custom feeds
C. Command and Control feed
D. malicious URL feed

Answer: A,B

Explanation:
The two security intelligence feed types that are supported are:
A) Infected host feed. An infected host feed is a security intelligence feed that contains the IP addresses of hosts that are infected by malware or compromised by attackers. The SRX Series device can download the infected host feed from the Juniper ATP Cloud or generate its own infected host feed based on the detection events from IDP. The SRX Series device can use the infected host feed to block or quarantine the traffic to or from the infected hosts based on the security policies1.
B) Command and Control feed. A command and control feed is a security intelligence feed that contains the IP addresses of servers that are used by malware or attackers to communicate with infected hosts.
The SRX Series device can download the command and control feed from the Juniper ATP Cloud or generate its own command and control feed based on the detection events from IDP. The SRX Series device can use the command and control feed to block or log the traffic to or from the command and control servers based on the security policies2.
The other options are incorrect because:
C) Custom feeds. Custom feeds are not a security intelligence feed type, but a feature that allows you to create your own security intelligence feeds based on your own criteria and sources. You can configure custom feeds by using the Junos Space Security Director or the CLI. Custom feeds are not supported by the Juniper ATP Cloud or the IDP3.
D) Malicious URL feed. Malicious URL feed is not a security intelligence feed type, but a feature that allows you to block or log the traffic to or from malicious URLs based on the security policies. The SRX Series device can download the malicious URL feed from the Juniper ATP Cloud or the Juniper Threat Labs. Malicious URL feed is not supported by the IDP4.
Reference: Infected Host Feed Overview Command and Control Feed Overview Custom Feed Overview Malicious URL Feed Overview

NEW QUESTION # 62
Exhibit:

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

A. The data shown requires a traceoptions flag of basic-datapath.
B. The data shown requires a traceoptions flag of host-traffic.
C. The packet is dropped by the default security policy.
D. The packet is dropped by a configured security policy.

Answer: A,C

Explanation:
* Understanding the Flow Log Output:
From the flow logs in the exhibit, we can observe the following key events:
* The session creation was initiated (flow_first_create_session), but the policy search failed (flow_first_policy_search), which implies that no matching policy was found between the zones involved (zone trust-> zone dmz).
* The packet was dropped with the reason "denied by policy." This shows that the packet was dropped either due to no matching security policy or because the default policy denies the traffic (packet dropped, denied by policy).
* The line denied by policy default-policy-logical-system-00(2) indicates that the default security policy is responsible for denying the traffic, confirming that no explicit security policy was configured to allow this traffic.
* Explanation of Answer A (Dropped by the default security policy):
The log message clearly states that the packet was dropped by the default security policy (default-policy- logical-system-00). In Junos, when a session is attempted between two zones and no explicit policy exists to allow the traffic, the default policy is to deny the traffic. This is a common behavior in Junos OS when a security policy does not explicitly allow traffic between zones.
* Explanation of Answer D (Requires traceoptions flag of basic-datapath):
The information displayed in the log involves session creation, flow policy search, and packet dropping due to policy violations, which are all part of basic packet processing in the data path. This type of information is logged when the traceoptions flag is set to basic-datapath. The basic-datapath traceoption provides detailed information about the forwarding process, including policy lookups and packet drops, which is precisely what we see in the exhibit.
* The traceoptions flag host-traffic (Answer C) is incorrect because host-traffic is typically used for traffic destined to or generated from the Junos device itself (e.g., SSH or SNMP traffic to the SRX device), not for traffic passing through the device.
* To capture flow processing details like those shown, you need the basic-datapath traceoptions flag, which provides details about packet forwarding and policy evaluation.
Step-by-Step Configuration for Tracing (Basic-Datapath):
* Enable flow traceoptions:
To capture detailed information about how traffic is being processed, including policy lookups and flow session creation, enable traceoptions for the flow.
bash
set security flow traceoptions file flow-log
set security flow traceoptions flag basic-datapath
* Apply the configuration and commit:
bash
commit
* View the logs:
Once enabled, you can check the trace logs for packet flows, policy lookups, and session creation details:
bash
show log flow-log
This log will contain information similar to the exhibit, including session creation attempts and packet drops due to security policy.
Juniper Security Reference:
* Default Security Policies: Juniper SRX devices have a default security policy to deny all traffic that is not explicitly allowed by user-defined policies. This is essential for security best practices. Reference:
Juniper Networks Documentation on Security Policies.
* Traceoptions for Debugging Flows: Using traceoptions is crucial for debugging and understanding how traffic is handled by the SRX, particularly when issues arise from policy misconfigurations or routing. Reference: Juniper Traceoptions.
By using the basic-datapath traceoptions, you can gain insights into how the device processes traffic, including policy lookups, route lookups, and packet drops, as demonstrated in the exhibit.

NEW QUESTION # 63
Exhibit

You have configured the SRX Series device to switch packets for multiple directly connected hosts that are within the same broadcast domain However, the traffic between two hosts in the same broadcast domain are not matching any security policies Referring to the exhibit, what should you do to solve this problem?

A. You must change the global mode to security bridging mode
B. You must change the global mode to switching mode.
C. You must change the global mode to security switching mode.
D. You must change the global mode to transparent bridge mode.

Answer: A

NEW QUESTION # 64
You are asked to establish a hub-and-spoke IPsec VPN using an SRX Series device as the hub.
All of the spoke devices are third-party devices.
Which statement is correct in this scenario?

A. You must create a policy-based VPN on the hub device when peering with third-party devices.
B. You must statically configure the next-hop tunnel binding table entries for each of the third-party spoke devices.
C. You must ensure that you are using aggressive mode when incorporating third-party devices as your spokes.
D. You must always peer using loopback addresses when using non-Junos devices as your spokes.

Answer: B

NEW QUESTION # 65
You are deploying threat remediation to endpoints connected through third-party devices.
In this scenario, which three statements are correct? (Choose three.)

A. The connector queries the RADIUS server for the infected host endpoint details and initiates a change of authorization (CoA) for the infected host.
B. The connector uses an API to gather endpoint MAC address information from the RADIUS server.
C. All third-party switches in the specified network are automatically mapped and registered with the RADIUS server.
D. The RADIUS server sends Status-Server messages to update infected host information to the connector.
E. All third-party switches must support AAA/RADIUS and Dynamic Authorization Extensions to the RADIUS protocol.

Answer: A,B,E

Explanation:
For threat remediation in a third-party network, the RADIUS protocol is necessary to communicate with the RADIUS server for details about infected hosts. CoA enables security measures to be enforced based on endpoint information provided by the RADIUS server. Details on this setup can be found in Juniper RADIUS and AAA Documentation.
When deploying threat remediation to endpoints connected through third-party devices, such as switches, the following conditions must be met for proper integration and functioning:
* Explanation of Answer A (Support for AAA/RADIUS and Dynamic Authorization Extensions):
* Third-party switches must supportAAA (Authentication, Authorization, and Accounting)and RADIUSwithDynamic Authorization Extensions. These extensions allow dynamic updates to be made to a session's authorization parameters, which are essential for enforcing access control based on threat detection.
* Explanation of Answer B (Connector Gathers MAC Information via API):
* Theconnectoruses an API to gather MAC address information from theRADIUS server. This MAC address data is necessary to identify and take action on infected hosts or endpoints.
* Explanation of Answer D (Connector Initiates CoA):
* Theconnectorqueries the RADIUS server for infected host details and triggers aChange of Authorization (CoA)for the infected host. The CoA allows the connector to dynamically alter the host's access permissions or isolate the infected host based on its threat status.
Juniper Security Reference:
* Threat Remediation via RADIUS: Dynamic remediation actions, such as CoA, can be taken based on information received from the RADIUS server regarding infected hosts. Reference: Juniper RADIUS and CoA Documentation.

NEW QUESTION # 66
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JN0-637 RELIABLE TEST VOUCHER & JN0-637 ACTUALTEST

JN0-637 Reliable Test Voucher & JN0-637 Actualtest