JUNIPER JN0-637 NEW TEST BOOTCAMP EXAM PASS ONCE TRY | BEST JN0-637 STUDY MATERIAL

Juniper JN0-637 New Test Bootcamp Exam Pass Once Try | Best JN0-637 Study Material

Juniper JN0-637 New Test Bootcamp Exam Pass Once Try | Best JN0-637 Study Material

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Juniper JN0-637 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
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
  • Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
Topic 4
  • 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 5
  • 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 6
  • Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 7
  • Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q54-Q59):

NEW QUESTION # 54
Which two statements about transparent mode and Ethernet switching mode on an SRX series device are correct.

  • A. In Ethernet switching mode, Layer 2 interfaces must be placed in a security zone.
  • B. In Ethernet switching mode, IRB interfaces must be placed in a security zone.
  • C. In transparent mode, IRB interfaces must be placed in a security zone.
  • D. In transparent mode, Layer 2 interfaces must be placed in a security zone.

Answer: B,D


NEW QUESTION # 55
You are asked to share threat intelligence from your environment with third party tools so that those tools can be identify and block lateral threat propagation from compromised hosts.
Which two steps accomplish this goal? (Choose Two)

  • A. Configure application tokens in the SRX Series firewalls to limit who has access
  • B. Configure application tokens in the Juniper ATP Cloud to limit who has access
  • C. Enable SRX Series firewalls to share Threat intelligence with third party tool.
  • D. Enable Juniper ATP Cloud to share threat intelligence

Answer: B,D

Explanation:
To share threat intelligence from your environment with third party tools, you need to enable Juniper ATP Cloud to share threat intelligence and configure application tokens in the Juniper ATP Cloud to limit who has access. The other options are incorrect because:
A) Configuring application tokens in the SRX Series firewalls is not necessary or sufficient to share threat intelligence with third party tools. Application tokens are used to authenticate and authorize requests to the Juniper ATP Cloud API, which can be used to perform various operations such as submitting files, querying C&C feeds, and managing allowlists and blocklists1. However, to share threat intelligence with third party tools, you need to enable the TAXII service in the Juniper ATP Cloud, which is a different protocol for exchanging threat information2.
D) Enabling SRX Series firewalls to share threat intelligence with third party tools is not possible or supported. SRX Series firewalls can send potentially malicious objects and files to the Juniper ATP Cloud for analysis and receive threat intelligence from the Juniper ATP Cloud to block malicious traffic3.
However, SRX Series firewalls cannot directly share threat intelligence with third party tools. You need to use the Juniper ATP Cloud as the intermediary for threat intelligence sharing. Therefore, the correct answer is B and C. You need to enable Juniper ATP Cloud to share threat intelligence and configure application tokens in the Juniper ATP Cloud to limit who has access.
To do so, you need to perform the following steps:
Enable and configure the TAXII service in the Juniper ATP Cloud. TAXII (Trusted Automated eXchange of Indicator Information) is a protocol for communication over HTTPS of threat information between parties.
STIX (Structured Threat Information eXpression) is a language used for reporting and sharing threat information using TAXII. Juniper ATP Cloud can contribute to STIX reports by sharing the threat intelligence it gathers from file scanning. Juniper ATP Cloud also uses threat information from STIX reports as well as other sources for threat prevention2. To enable and configure the TAXII service, you need to select Configure > Threat Intelligence Sharing in the Juniper ATP Cloud WebUI, move the knob to the right to Enable TAXII, and move the slidebar to designate a file sharing threshold2. Configure application tokens in the Juniper ATP Cloud. Application tokens are used to authenticate and authorize requests to the Juniper ATP Cloud API and the TAXII service. You can create and manage application tokens in the Juniper ATP Cloud WebUI by selecting Configure > Application Tokens. You can specify the name, description, expiration date, and permissions of each token. You can also revoke or delete tokens as needed. You can use the application tokens to limit who has access to your shared threat intelligence by granting or denying permissions to the TAXII service1.
Reference: Threat Intelligence Open API Setup Guide
Configure Threat Intelligence Sharing
About Juniper Advanced Threat Prevention Cloud


NEW QUESTION # 56
You have designed the firewall filter shown in the exhibit to limit SSH control traffic to yours SRX Series device without affecting other traffic.
Which two statement are true in this scenario? (Choose two.)

  • A. Applying the filter will achieve the desired result.
  • B. Applying the filter will not achieve the desired result.
  • C. The filter should be applied as an output filter on the loopback interface.
  • D. The filter should be applied as an input filter on the loopback interface.

Answer: A,D

Explanation:
Based on general practices, to limit SSH control traffic to an SRX device without affecting other traffic, you would typically apply a firewall filter as an input filter on the loopback interface. The filter would specify the allowed source addresses or networks for SSH and deny all other SSH traffic.
Therefore, the two statements that are likely to be true, in general, are:
Applying the filter will achieve the desired result (assuming the filter is correctly written).
The filter should be applied as an input filter on the loopback interface (as this is the standard practice).


NEW QUESTION # 57
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 packet is dropped by the default security policy.
  • C. The data shown requires a traceoptions flag of host-traffic.
  • D. The packet is dropped by a configured security policy.

Answer: A,B

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 # 58
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 change the loss priorities of the forwarding classes to low.
  • B. You must change the code point for the DB-data forwarding class to 10000.
  • C. You must delete one forwarding class.
  • D. You must use inet precedence instead of DSCP.

Answer: C

Explanation:
Comprehensive Detailed Step-by-Step Explanation with All Juniper Security References Understanding the Problem:
* A CoS-based VPN has been configured but is not functioning correctly.
* The exhibit shows that under the class-of-service configuration, six forwarding classes are defined.
Forwarding Classes in the Exhibit:
* best-effort
* ef-class
* af-class
* network-control
* res-class
* web-data
Juniper CoS-Based VPN Limitations:
* Maximum Number of Forwarding Classes: In CoS-based VPNs (Layer 3 VPNs), there is a limitation on the number of forwarding classes that can be used.
* Supported Forwarding Classes: Only up to four forwarding classes are supported in an L3VPN for CoS purposes.


NEW QUESTION # 59
......

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