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Juniper JN0-637 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.
Topic 3	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 4	Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.
Topic 5	Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.
Topic 6	Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.
Topic 7	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 (Q91-Q96):

NEW QUESTION # 91
Which role does an SRX Series device play in a DS-Lite deployment?

A. Softwire initiator
B. STUN client
C. Softwire concentrator
D. STUN server

Answer: A

Explanation:
In a DS-Lite deployment, the SRX device functions as the softwire initiator, which initiates IPv4-in-IPv6 tunneling to connect IPv4 hosts over an IPv6 infrastructure. For DS-Lite configurations and roles, check Juniper DS-Lite Documentation.
In a DS-Lite (Dual-Stack Lite) deployment, the SRX Series device typically acts as a softwire initiator. DS- Lite is an IPv6 transition technology that allows IPv6-enabled devices to communicate with IPv4 networks.
The softwire initiator is responsible for encapsulating IPv4 packets within an IPv6 header at the customer edge, which is then sent to the softwire concentrator (usually on the service provider's side). Juniper SRX devices can be configured for DS-Lite to support IPv6 clients while communicating with an IPv4 internet via this tunneling mechanism.
To configure DS-Lite on a Juniper SRX device, you'd follow these steps:
* Configure the DS-Lite AFTR (Address Family Transition Router) with the correct IPv6 addressing and routing parameters.
* Enable DS-Lite functionality on the SRX device using Junos OS commands.
* Verify connectivity and ensure that traffic from IPv6 devices is correctly tunneled over IPv4 using tools like ping and traceroute over IPv6.

NEW QUESTION # 92
You have deployed an SRX Series device at your network edge to secure Internet-bound sessions for your local hosts using source NAT. You want to ensure that your users are able to interact with applications on the Internet that require more than one TCP session for the same application session.
Which two features would satisfy this requirement? (Choose two.)

A. persistent NAT
B. address persistence
C. STUN
D. double NAT

Answer: A,B

Explanation:
Address persistence ensures that the same NAT IP address is used for all sessions originating from a single source IP. Persistent NAT maintains connections for applications needing multiple sessions, like VoIP.
Additional details are available in Juniper NAT Documentation.
For applications that require multiple TCP sessions for the same application session (such as VoIP or certain online games), the SRX device needs to handle NAT properly to maintain session continuity. Here's what helps:
* Address Persistence (Answer A): Address persistence ensures that multiple sessions initiated by the same internal host are mapped to the same external IP address. This is crucial for applications that use multiple TCP sessions to maintain a stateful connection with the external server.
Command Example:
bash
set security nat source persistent-nat address-persistence
* Persistent NAT (Answer C): This feature allows the external server to initiate new connections to the internal client using the same NAT translation. It's essential for applications that require consistent NAT mappings across multiple sessions.
Command Example:
bash
set security nat source persistent-nat permit target-host-port
These features ensure that applications with multiple TCP sessions work seamlessly across NAT.

NEW QUESTION # 93
Exhibit

The show network-access aaa radius-servers command has been issued to solve authentication issues.
Referring to the exhibit, to which two authentication servers will the SRX Series device continue to send requests? (Choose TWO)

A. 192.168.30.190
B. 192.168.30.191
C. 192.168.30.188
D. 200l:DB8:0:f101;:2

Answer: B,C

NEW QUESTION # 94
The monitor traffic interface command is being used to capture the packets destined to and the from the SRX Series device.
In this scenario, which two statements related to the feature are true? (Choose two.)

A. This feature is supported on high-end SRX Series devices only.
B. This feature is supported on both branch and high-end SRX Series devices.
C. This feature does not capture transit traffic.
D. This feature captures ICMP traffic to and from the SRX Series device.

Answer: B,C

Explanation:
https://forums.juniper.net/t5/Ethernet-Switching/monitor-traffic-interface/td-p/462528

NEW QUESTION # 95
You are asked to detect domain generation algorithms
Which two steps will accomplish this goal on an SRX Series firewall? (Choose two.)

A. Attach the security-metadata-streaming policy to a security
B. Define a security-metadata-streaming policy under [edit
C. Attach the advanced-anti-malware policy to a security policy.
D. Define an advanced-anti-malware policy under [edit services].

Answer: C,D

NEW QUESTION # 96
......

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USEFUL VALID DUMPS JN0-637 PDF - EASY AND GUARANTEED JN0-637 EXAM SUCCESS

Useful Valid Dumps JN0-637 Pdf - Easy and Guaranteed JN0-637 Exam Success