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便利なJN0-637日本語版試験解答試験-試験の準備方法-最高のJN0-637関連合格問題

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JN0-637試験の準備方法｜ハイパスレートのJN0-637日本語版試験解答試験｜権威のあるSecurity, Professional (JNCIP-SEC)関連合格問題

お客様に最も信頼性の高いバックアップを提供するという信念から、当社のJN0-637試験問題を作成し、優れた結果により、試験受験者の機能に対する心を捉えました。練習資料は、3つのバージョンに分類できます。このバージョンはWindowsシステムユーザーのみをサポートすることに注意してください。 JN0-637試験問題のオンライン版は、あらゆる種類の機器やデジタルデバイスに適しています。モバイルデータなしで練習することを条件に、オフラインでの運動をサポートします。

Juniper Security, Professional (JNCIP-SEC) 認定 JN0-637 試験問題 (Q20-Q25):

質問 # 20
You have deployed two SRX Series devices in an active/passive multinode HA scenario.
In this scenario, which two statements are correct? (Choose two.)

A. Services redundancy group 1 (SRG1) is used for services that do not have a control plane state.
B. Services redundancy group 0 (SRG0) is used for services that have a control plane state.
C. Services redundancy group 0 (SRG0) is used for services that do not have a control plane state.
D. Services redundancy group 1 (SRG1) is used for services that have a control plane state.

正解：B、C

解説：
In a Juniper SRX high-availability (HA) scenario, redundancy is achieved through the use of redundancy groups. Redundancy groups are assigned to control specific functions in an active/passive setup. The HA configuration uses redundancy groups to manage failover between the two SRX nodes.
* SRG0 (Services Redundancy Group 0):
* Correct: Option B: SRG0 is used for control plane functions like routing engine redundancy.
This group manages the Routing Engine (RE) failover and ensures that routing decisions continue seamlessly during failovers.
* Correct: Option C: SRG0 is also responsible for services without control plane states. These services can include lower-level services such as packet forwarding and stateful firewall services.
SRG0 handles both critical and basic functions since control plane elements are essential for network operations during failover events.
* SRG1 (Services Redundancy Group 1):
* SRG1, contrary to SRG0, is typically used for data plane services and does not manage control plane state. It handles services like security policies, NAT, and VPN functions but does not involve control plane redundancy.
Juniper References:
* Juniper SRX HA Documentation: The role of redundancy groups in HA, detailing that SRG0 is reserved for the most crucial services, including control plane failover and basic packet forwarding.

質問 # 21
You are enabling advanced policy-based routing. You have configured a static route that has a next hop from the inet.0 routing table. Unfortunately, this static route is not active in your routing instance.
In this scenario, which solution is needed to use this next hop?

A. Use policies.
B. Use transparent mode.
C. Use filter-based forwarding.
D. Use RIB groups.

正解：D

解説：
To enable advanced policy-based routing in Junos OS and activate a static route with a next-hop address in the inet.0 table within your routing instance, you should utilize RIB groups. RIB groups allow you to import routes from one routing table to another. In this scenario, the static route within the routing instance needs access to the inet.0 routes, which is facilitated by configuring a RIB group. Juniper's documentation outlines RIB groups as a necessary component for handling instances where routes need to be shared across routing tables, thereby ensuring seamless traffic flow through specified routes. For more details, refer to the Juniper Networks Documentation on RIB Groups.
In Junos OS for SRX Series devices, when enabling advanced policy-based routing and configuring a static route with a next-hop from the inet.0 routing table, the issue arises because the static route is not being used in the routing instance. This is a common scenario when the next-hop belongs to a different routing table or instance, and the routing instance is not aware of that next-hop.
To resolve this, RIB (Routing Information Base) groups are used. RIB groups allow routes from one routing table (RIB) to be shared or imported into another routing table. This means that the routing instance can import the necessary routes from inet.0 and make them available for the routing instance where the policy- based routing is applied.
Detailed Steps:
* Configure the Static Route: First, configure the static route pointing to the next-hop in inet.0. Here's an example:
bash
set routing-options static route 10.1.1.0/24 next-hop 192.168.1.1
This static route will be placed in the inet.0 routing table by default.
* Create and Apply a RIB Group: To import routes from inet.0 into the routing instance, create a RIB group configuration. This will allow the static route from inet.0 to be visible within the routing instance.
Example configuration for the RIB group:
bash
set routing-options rib-groups RIB-GROUP import-rib inet.0
set routing-options rib-groups RIB-GROUP import-rib <routing-instance-name>.inet.0 This configuration ensures that routes from inet.0 are imported into the specified routing instance.
* Apply the RIB Group to the Routing Instance: Once the RIB group is configured, apply it to the appropriate routing instance:
bash
set routing-instances <routing-instance-name> routing-options rib-group RIB-GROUP
* Verify Configuration: Use the following command to verify that the static route has been imported into the routing instance:
bash
show route table <routing-instance-name>.inet.0
The output should now display the static route imported from inet.0.
Juniper Security Reference:
* RIB Groups Overview: Juniper's documentation provides detailed information on how RIB groups function and how to use them to share routes between different routing tables. This is essential for scenarios involving policy-based routing where routes from one instance (like inet.0) need to be available in another instance. Reference: Juniper Networks Documentation on RIB Groups.
By using RIB groups, you ensure that the static route from inet.0 is available in the appropriate routing instance for policy-based routing to function correctly. This avoids the need for other methods like filter- based forwarding or transparent mode, which do not address the specific issue of static route visibility across routing instances.

質問 # 22
Exhibit:

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

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

正解：B、D

解説：
The Local zone represents a Layer 2 segment, which allows for traffic flows within the same zone and across other zones with proper security policies. Additionally, hosts in different zones (such as Local and Trust) can communicate when policies are defined to allow such interactions. Refer to Juniper Security Policy Documentation for detailed guidance.
From the exhibit:
* IRB Interface Requirement (Answer B): To allow communication between the Trust and Untrust zones (Layer 2 and Layer 3 environments), anIRB (Integrated Routing and Bridging)interface is required. The IRB interface acts as a gateway between Layer 2 and Layer 3 domains.
Command Example:
bash
Copy code
set interfaces irb unit 0 family inet address 10.1.1.1/24
set security zones security-zone untrust interfaces irb.0
* Communication Between Local and Trust (Answer D): Hosts in the Local zone (Layer 2) can communicate with hosts in the Trust zone (Layer 3) if appropriate security policies are in place. A security policy is needed to define how traffic can flow between these zones.
Command Example:
bash
Copy code
set security policies from-zone local to-zone trust policy allow-local-trust match source-address any destination-address any application any set security policies from-zone local to-zone trust policy allow-local-trust then permit These configurations ensure proper communication between zones in a mixed Layer 2 and Layer
3environment.

質問 # 23
Exhibit

Referring to the exhibit, which two statements are true about the CAK status for the CAK named
"FFFP"? (Choose two.)

A. CAK is used for encryption and decryption of the MACsec session.
B. SAK is not generated using this key.
C. CAK is not used for encryption and decryption of the MACsec session.
D. SAK is successfully generated using this key.

正解：A、B

質問 # 24
You are asked to create multiple virtual routers using a single SRX Series device. You must ensure that each virtual router maintains a unique copy of the routing protocol daemon (RPD) process.
Which solution will accomplish this task?

A. Tenant system
B. Logical system
C. Secure wire
D. Transparent mode

正解：B

解説：
Logical systems on SRX Series devices allow the creation of separate virtual routers, each with its unique RPD process. This segmentation ensures that routing and security policies are isolated across different logical systems, effectively acting like independent routers within a single SRX device.
To create multiple virtual routers on a single SRX Series device, each with its own unique copy of the routing protocol daemon (RPD) process, you need to use logical systems. Logical systems allow for the segmentation of an SRX device into multiple virtual routers, each with independent configurations, including routing instances, policies, and protocol daemons.
A logical system on an SRX device enables you to create multiple virtual instances of the SRX, each operating independently with its own control plane and routing processes. Each logical system gets a separate copy of the RPD process, ensuring complete isolation between virtual routers. This is the correct solution when you need separate routing instances with their own RPD processes on the same physical device.

質問 # 25
......

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