JN0-637 Study Materials & JN0-637 Exam Preparatory & JN0-637 Test Prep

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Juniper JN0-637 Exam Syllabus Topics:

Topic	Details
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	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 4	Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 5	Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q115-Q120):

NEW QUESTION # 115
Exhibit:

You are asked to ensure that Internet users can access the company's internal webserver using its FQDN.
However, the internal DNS server's A record only points to the webserver's private address.
Referring to the exhibit, which two actions are required to complete this task? (Choose two.)

A. Disable the DNS ALG.
B. Configure static NAT for both the DNS server and the webserver.
C. Configure proxy ARP on ge-0/0/3.
D. Configure destination NAT for both the DNS server and the webserver.

Answer: B,C

Explanation:
In the scenario where internal users are trying to access the company's web server via its FQDN but the DNS server resolves to a private IP, two key actions are needed:
* Static NAT (Answer B): Since the internal DNS server resolves the web server to its private IP address (10.10.10.4/24), you need to configure static NAT for both the DNS server and the webserver. This will ensure that requests coming from the internet will be translated to the web server's public IP (203.0.113.4) and the DNS server's public IP (203.0.113.2).
Example Command:
bash
set security nat static rule-set public-to-private from zone untrust
set security nat static rule-set public-to-private rule dns-server match destination-address 203.0.113.2/32 set security nat static rule-set public-to-private rule dns-server then static-nat-prefix 10.10.10.2/32 set security nat static rule-set public-to-private rule web-server match destination-address 203.0.113.4/32 set security nat static rule-set public-to-private rule web-server then static-nat-prefix 10.10.10.4/32
* Proxy ARP (Answer D): The SRX needs to respond to ARP requests for the public IP addresses of both the DNS and webserver on the interface facing the internet (ge-0/0/3). This allows the SRX to handle requests directed at the public IPs.
Example Command:
set interfaces ge-0/0/3 unit 0 family inet proxy-arp interface-address 203.0.113.2/32 set interfaces ge-0/0/3 unit 0 family inet proxy-arp interface-address 203.0.113.4/32 These two configurations allow external users to access the internal web server via its public IP, as resolved by the DNS server.

NEW QUESTION # 116
Exhibit

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

A. The 3uspiciou3_Endpoint3 feed is usable by any SRX Series device that is a part of the same realm as SRX-1
B. Juniper ATP Cloud automatically creates the 3uopi'cioua_Endpoints feed after you commit the security policy.
C. The 3uspicious_Endpoint3 feed is only usable by the SRX-1 device.
D. You must manually create the suspicious_Endpoint3 feed in the Juniper ATP Cloud interface.

Answer: A,C

NEW QUESTION # 117
You are asked to allocate security profile resources to the interconnect logical system for it to work properly.
In this scenario, which statement is correct?

A. No resources are needed to be allocated to the interconnect logical system.
B. The flow-session resource must be defined in the security profile for the interconnect logical system.
C. The resources must be calculated based on the amount of traffic that will flow between the logical systems.
D. The NAT resources must be defined in the security profile for the interconnect logical system.

Answer: A

NEW QUESTION # 118
you must create a secure fabric in your company's network
In this Scenario, which three statements are correct? (Choose Three)

A. SRX Series devices can belong to multiple sites
B. SRX Series devices can belong to only one site
C. MX Series device associated with tenants can belong to only one site
D. A switch must be assigned to the site to enforce an infected host policy within the network
E. Switches and connectors cannot be added to the same site

Answer: B,C,D

Explanation:
To create a secure fabric in your company's network, you need to know the following facts:
A secure fabric is a collection of sites that contain network devices (switches, routers, firewalls, and other security devices) that are used in policy enforcement groups. A site is a grouping of network devices that contribute to threat prevention. When threat prevention policies are applied to policy enforcement groups, the system automatically discovers to which sites those groups belong. This is how threat prevention is aggregated across your secure fabric1.
MX Series devices associated with tenants can belong to multiple sites. Tenants are logical partitions of the network that can have their own security policies and enforcement points. Sites that are associated with tenants do not need switches as enforcement points, because MX Series devices can perform tenant-based policy enforcement1.
SRX Series devices can belong to only one site. SRX Series devices are firewalls that can act as perimeter enforcement points for the secure fabric. They 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 traffic. SRX Series devices cannot belong to multiple sites, because they do not support tenant-based policy enforcement1.
A switch must be assigned to the site to enforce an infected host policy within the network. An infected host policy is a policy that blocks or quarantines hosts that are identified as infected by the Juniper ATP Cloud. A switch can act as an internal enforcement point for the secure fabric by applying the infected host policy to the hosts that are connected to it. A switch must be assigned to the site where the infected hosts are located, because SRX Series devices cannot enforce infected host policies1.
Switches and connectors cannot be added to the same site. Connectors are software agents that can be installed on Windows or Linux servers to enable them to act as enforcement points for the secure fabric.
Connectors can apply infected host policies to the hosts that are connected to them. However, connectors cannot coexist with switches in the same site, because they use different methods of policy enforcement. Switches use VLANs and ACLs, while connectors use IPtables and WFP1. Therefore, the correct answer is B, D, and E. The other options are incorrect because:
A) MX Series devices associated with tenants can belong to multiple sites, not only one site1.
C) SRX Series devices can belong to only one site, not multiple sites1.
Reference: Secure Fabric Overview

NEW QUESTION # 119
Which two statements are correct about mixed mode? (Choose two.)

A. IRB interfaces can be used to route traffic.
B. Layer 2 and Layer 3 interfaces can use separate security zones.
C. Layer 2 and Layer 3 interfaces can use the same security zone.
D. IRB interfaces cannot be used to route traffic.

Answer: A,C

Explanation:
In mixed mode, both Layer 2 and Layer 3 interfaces can be configured to operate within the same security zone, allowing for flexible network segmentation. Additionally, Integrated Routing and Bridging (IRB) interfaces facilitate routing for Layer 2 bridged domains, allowing Layer 2 traffic to be forwarded at Layer 3.
For more information on mixed mode and IRB functionality, refer to Juniper's Mixed Mode and IRB Documentation.
* Explanation of Answer A (Layer 2 and Layer 3 in Same Zone):
* Inmixed modeconfigurations, it is possible to have both Layer 2 and Layer 3 interfaces within the same security zone. This allows for flexible design where different types of traffic can be handled by the same set of security policies.
* Explanation of Answer B (IRB Interfaces Can Route Traffic):
* IRB (Integrated Routing and Bridging)interfaces are used to route traffic between Layer 2 and Layer 3 domains. They can bridge traffic at Layer 2 and also provide Layer 3 routing capabilities within the same device. This allows for seamless interaction between Layer 2 and Layer 3 traffic in mixed mode.
Step-by-Step Configuration:
* Configuring Layer 2 and Layer 3 in the Same Security Zone:
* Assign both Layer 2 and Layer 3 interfaces to the same security zone as follows:
bash
Copy code
set security zones security-zone <zone-name> interfaces <interface-name>
* Configuring IRB Interface:
* To route traffic using the IRB interface:
bash
Copy code
set interfaces irb unit 0 family inet address <ip-address>
set security zones security-zone <zone-name> interfaces irb.0
Juniper Security Reference:
* IRB Interface Overview: IRB interfaces allow for both bridging and routing functionalities, making them essential in mixed-mode environments.
* Layer 2 and Layer 3 in the Same Zone: This feature provides flexibility in designingnetworks that combine both Layer 2 switching and Layer 3 routing under the same security policies.

NEW QUESTION # 120
......

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JN0-637 STUDY MATERIALS & JN0-637 EXAM PREPARATORY & JN0-637 TEST PREP

JN0-637 Study Materials & JN0-637 Exam Preparatory & JN0-637 Test Prep