JN0-637 Unterlage & JN0-637 Zertifizierungsantworten

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Juniper JN0-637 Prüfungsplan:

Thema	Einzelheiten
Thema 1	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.
Thema 2	Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
Thema 3	Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.
Thema 4	Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
Thema 5	Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Thema 6	Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.
Thema 7	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.

>> JN0-637 Unterlage <<

Juniper JN0-637 Zertifizierungsantworten & JN0-637 Demotesten

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Juniper Security, Professional (JNCIP-SEC) JN0-637 Prüfungsfragen mit Lösungen (Q124-Q129):

124. Frage
Click the Exhibit button.

When attempting to enroll an SRX Series device to JATP, you receive the error shown in the exhibit.
What is the cause of the error?

A. The fxp0 IP address is not routable
B. A firewall is blocking HTTPS on fxp0
C. The SRX Series device does not have an IP address assigned to the interface that accesses JATP
D. The SRX Series device certificate does not match the JATP certificate

Antwort: C

Begründung:
Reference:
https://kb.juniper.net/InfoCenter/index?page=content&id=KB33979&cat=JATP_SERIES&actp=LIST

125. Frage
Exhibit

The highlighted incident (arrow) shown in the exhibit shows a progression level of "Download" in the kill chain.
What are two appropriate mitigation actions for the selected incident? (Choose two.)

A. Immediate response required: Wipe infected endpoint hosts.
B. Immediate response required: Deploy IVP integration (if configured) to confirm if the endpoint has executed the malware and is infected.
C. Not an urgent action: Use IVP to confirm if machine is infected.
D. Immediate response required: Block malware IP addresses (download server or CnC server)

Antwort: B,D

126. Frage
You are configuring advanced policy-based routing. You have created a static route with next hop of an interface in your inet.0 routing table

Referring to the exhibit, what should be changed to solve this issue?

A. You should change the routing instance type to virtual-router.
B. You should move the static route configuration to the main routing instance.
C. You should move the inet. o table before the routing instance table in your rib-groups configuration.
D. You should delete the interface-routes configuration under the routing-options hierarchy.

Antwort: C

127. Frage
Exhibit:

You have deployed an SRX Series device as shown in the exhibit. The devices in the Local zone have recently been added, but their SRX interfaces have not been configured. You must configure the SRX to meet the following requirements:
Devices in the 10.1.1.0/24 network can communicate with other devices in the same network but not with other networks or the SRX.
You must be able to apply security policies to traffic flows between devices in the Local zone.
Which three configuration elements will be required as part of your configuration? (Choose three.)

A. set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan-members 10
B. set protocols l2-learning global-mode switching
C. set protocols l2-learning global-mode transparent-bridge
D. set security zones security-zone Local interfaces irb.10
E. set security zones security-zone Local interfaces ge-0/0/1.0

Antwort: A,C,E

Begründung:
In this scenario, we need to configure the SRX Series device so that devices in the Local zone (VLAN 10, 10.1.1.0/24 network) can communicate with each other but not with other networks or the SRX itself. Additionally, you must be able to apply security policies to traffic flows between the devices in the Local zone.

128. Frage
Exhibit:

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

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

Antwort: A,D

Begründung:
* 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.

129. Frage
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JN0-637 Zertifizierungsantworten: https://www.zertfragen.com/JN0-637_prufung.html

Julia Reed Julia Reed

Biography

JN0-637 Unterlage & JN0-637 Zertifizierungsantworten

Juniper JN0-637 Prüfungsplan:

Juniper JN0-637 Zertifizierungsantworten & JN0-637 Demotesten

Juniper Security, Professional (JNCIP-SEC) JN0-637 Prüfungsfragen mit Lösungen (Q124-Q129):

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