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Free JN0-637 Exam Braindumps (page: 13)

Page 12 of 30
PDF with 115 Questions

Exhibit:



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

  1. Hosts in the Local zone can be enabled for control plane access to the SRX.
  2. An IRB interface is required to enable communication between the Trust and the Untrust zones.
  3. You can configure security policies for traffic flows between hosts in the Local zone.
  4. Hosts in the Local zone can communicate with hosts in the Trust zone with a security policy.

Answer(s): A,D



Your customer needs embedded security in an EVPN-VXLAN solution.
What are two benefits of adding an SRX Series device in this scenario? (Choose two.)

  1. It enhances tunnel inspection for VXLAN encapsulated traffic with Layer 4-7 security services.
  2. It adds extra security with the capabilities of an enterprise-grade firewall in the EVPN-VXLAN underlay.
  3. It adds extra security with the capabilities of an enterprise-grade firewall in the EVPN-VXLAN
    overlay.
  4. It enhances tunnel inspection for VXLAN encapsulated traffic with only Layer 4 security services.

Answer(s): A,C

Explanation:

The SRX Series can inspect traffic within VXLAN tunnels, providing in-depth security services across multiple layers. Adding SRX in the overlay network allows comprehensive control, leveraging advanced firewall capabilities. For more details, see Juniper EVPN-VXLAN Security.

When integrating an SRX Series device into an EVPN-VXLAN solution, it offers several security benefits:
Layer 4-7 Security Services (Answer A): The SRX can provide deep packet inspection for VXLAN encapsulated traffic, enhancing security by offering services such as intrusion prevention, application layer filtering, and antivirus scanning. This allows security monitoring of the encapsulated traffic at higher layers of the OSI model (Layers 4-7), which is essential for advanced threat detection. Security in the Overlay Network (Answer C): The SRX adds security by functioning as an enterprise- grade firewall within the EVPN-VXLAN overlay. This means that traffic flowing between virtualized segments or networks can be inspected and filtered using SRX firewall rules, ensuring that the VXLAN overlay remains secure.
These features make the SRX a powerful addition for securing EVPN-VXLAN environments, providing comprehensive security for encapsulated traffic and ensuring that both the underlay and overlay networks are protected.


Reference:

Juniper documentation on SRX integration in EVPN-VXLAN solutions.



You want to use a security profile to limit the system resources allocated to user logical systems. In this scenario, which two statements are true? (Choose two.)

  1. If nothing is specified for a resource, a default reserved resource is set for a specific logical system.
  2. If you do not specify anything for a resource, no resource is reserved for a specific logical system, but the entire system can compete for resources up to the maximum available.
  3. One security profile can only be applied to one logical system.
  4. One security profile can be applied to multiple logical systems.

Answer(s): B,D

Explanation:

When using security profiles to limit system resources in Juniper logical systems:
No Resource Specification (Answer B): If a resource limit is not specified for a logical system, no specific amount of system resources is reserved for it. Instead, the logical system competes for resources along with others in the system, up to the maximum available. This allows flexible resource allocation, where logical systems can scale based on actual demand rather than predefined limits. Multiple Logical Systems per Security Profile (Answer D): A single security profile can be applied to multiple logical systems. This allows administrators to define resource limits once in a profile and apply it across several logical systems, simplifying management and ensuring consistency across different environments.
These principles ensure efficient and flexible use of system resources within a multi-tenant or multi- logical-system environment.


Reference:

Juniper security profiles and logical system documentation.



You are asked to configure tenant systems.
Which two statements are true in this scenario? (Choose two.)

  1. A tenant system can have only one administrator.
  2. After successful configuration, the changes are merged into the primary database for each tenant system.
  3. Tenant systems have their own configuration database.
  4. You can commit multiple tenant systems at a time.

Answer(s): C,D

Explanation:

Each tenant system maintains its own configuration database, isolating configurations from others, enhancing security and operational efficiency. Junos OS supports multiple concurrent commit operations across tenant systems. Further details are covered in the Juniper Tenant System Guide.

When configuring tenant systems on an SRX device, the following principles apply:
Tenant Systems Have Their Own Configuration Database (Answer C): Each tenant system has its own isolated configuration database, ensuring that changes made in one tenant system do not affect others. This allows for multi-tenant environments where different tenants can have independent configurations.
Commit Multiple Tenant Systems Simultaneously (Answer D): The system allows for multiple tenant systems to be committed at the same time, simplifying management when working with multiple tenants. This is particularly useful in large environments where multiple logical systems or tenants need updates simultaneously.


Reference:

Juniper documentation on tenant systems and configuration databases.






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