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JN0-637 Latest Material & JN0-637 Valid Exam Dumps

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n modern society, whether to obtain JN0-637 certification has become a standard to test the level of personal knowledge. Many well-known companies require the JN0-637 certification at the time of recruitment. Whether you're a student or a white-collar worker, you're probably trying to get the certification in order to get more job opportunities or wages. If you are one of them, our JN0-637 Exam Guide will effectively give you a leg up.

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

Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.

Topic 4

Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.

Topic 5

Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.

Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q91-Q96):

NEW QUESTION # 91
What are two valid modes for the Juniper ATP Appliance? (Choose two.)

A. flow collector
B. event collector
C. core
D. all-in-one

Answer: C,D

NEW QUESTION # 92
Refer to the Exhibit:

Which two statements about the configuration shown in the exhibit are correct?

A. The remote peer is assigned a dynamic IP address.
B. The remote IKE gateway IP address is 203.0.113.100.
C. The local peer is assigned a dynamic IP address.
D. The local IKE gateway IP address is 203.0.113.100.

Answer: A,B

Explanation:
The two statements about the configuration shown in the exhibit are correct are:
A) The remote IKE gateway IP address is 203.0.113.100. The exhibit shows that the address option under the gateway statement is set to 203.0.113.100, which specifies the IP address of the primary IKE gateway. The address option is used to configure the IP address or the hostname of the remote peer that has a static IP address1.
D) The remote peer is assigned a dynamic IP address. The exhibit shows that the dynamic option under the gateway statement is configured with various attributes, such as general-ikeid, ike-user-type, and user-at-hostname. The dynamic option is used to configure the identifier for the remote gateway with a dynamic IP address. The dynamic option also enables the SRX Series device to accept multiple connections from remote peers that have the same identifier2.
The other statements are incorrect because:
B) The local peer is not assigned a dynamic IP address, but a static IP address. The exhibit shows that the local-address option under the gateway statement is set to 192.0.2.100, which specifies the IP address of the local IKE gateway. The local-address option is used to configure the IP address of the local peer that has a static IP address1.
C) The local IKE gateway IP address is not 203.0.113.100, but 192.0.2.100, as explained above.
Reference: gateway (Security IKE) dynamic (Security IKE)

NEW QUESTION # 93
Your organization has multiple Active Directory domain to control user access. You must ensure that security polices are passing traffic based upon the user's access rights.
What would you use to assist your SRX series devices to accomplish this task?

A. JATP Appliance
B. JSA
C. Junos Space
D. JIMS

Answer: D

Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-user-auth-configure- jims.html

NEW QUESTION # 94
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 always peer using loopback addresses when using non-Junos devices as your spokes.
B. You must ensure that you are using aggressive mode when incorporating third-party devices as your spokes.
C. You must create a policy-based VPN on the hub device when peering with third-party devices.
D. You must statically configure the next-hop tunnel binding table entries for each of the third-party spoke devices.

Answer: D

Explanation:
To ensure compatibility with third-party devices, next-hop tunnel binding must be manually configured, as dynamic protocols may not be universally supported. This ensures proper routing and secure connections. See Juniper IPsec VPN Configuration Guide.
In a hub-and-spoke IPsec VPN configuration where an SRX device serves as the hub and the spokes are third- party devices, special considerations must be taken into account due to the variability in VPN implementations across different vendors.
* Next-Hop Tunnel Binding (Correct: Option B):With third-party devices as spokes, dynamic routing protocols (like NHRP) may not be supported for dynamically learning spoke routes. In such cases, the next-hop tunnel binding tablemust be statically configured for each spoke on the SRX hub to ensure proper routing and VPN communication. This ensures that traffic between the spokes is routed correctly through the hub.
* Incorrect Options:
* Option Ais incorrect because aggressive mode is typically less secure and not recommended for hub-and-spoke topologies, especially with third-party devices.
* Option Cis incorrect because a route-based VPN is usually preferred when peering with third- party devices for flexibility and scalability.
* Option Dis incorrect because using loopback addresses is not a requirement when peering with third-party devices. It is a common practice in certain designs, but it is not mandatory.
Juniper References:
* Juniper IPsec VPN Configuration Guide: Provides insights on hub-and-spoke VPN configurations, including next-hop tunnel binding and considerations when working with third-party devices.

NEW QUESTION # 95
Exhibit:

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

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

Answer: B,D

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 searchfailed (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 tobasic-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 flaghost-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
Copy code
set security flow traceoptions file flow-log
set security flow traceoptions flag basic-datapath
* Apply the configuration and commit:
bash
Copy code
commit
* View the logs:
Once enabled, you can check the trace logs for packet flows, policy lookups, and session creation details:
bash
Copy code
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 # 96
......

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