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JN0-637: Security, Professional
Exam Number: JN0-637
Exam Name: Security, Professional
Length of test: 90 mins
Exam Format: Multiple-choice, Drag and Drop, and HOTSPOT questions.
Exam Language: English
Number of questions in the actual exam: 65 questions
Passing Score: 70%
Topics Covered:
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Troubleshooting Security Policies and Security Zones: Demonstrating how to troubleshoot or monitor security policies or security zones.
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Logical Systems and Tenant Systems: Understanding the concepts, operations, or functionalities of logical systems and tenant systems.
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Layer 2 Security: Configuring or monitoring Layer 2 Security, including transparent mode, mixed mode, secure wire, MACsec, and Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN) security.
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Advanced Network Address Translation (NAT): Configuring, troubleshooting, or monitoring advanced NAT scenarios, including persistent NAT, DNS doctoring, and IPv6 NAT.
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Advanced IPsec VPNs: Configuring, troubleshooting, or monitoring advanced IPsec VPNs, including hub-and-spoke VPNs, PKI, auto discovery VPNs (ADVPNs), and IPsec Class of Service (CoS).
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Advanced Policy-Based Routing (APBR): Configuring or monitoring advanced policy-based routing, including profiles, policies, routing instances, and APBR options.
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Multinode High Availability (HA): Understanding the concepts, operations, or functionalities of multinode HA, including chassis cluster versus multinode HA, deployment modes, and services redundancy group (SRG).
This study guide should help you understand what to expect on the JN0-637 exam and includes a summary of the topics the exam might cover and links to additional resources. The information and materials in this document should help you focus your studies as you prepare for the exam.
Related questions
Which two statements are correct about DNS doctoring?
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Which two statements are true regarding NAT64? (Choose two.)
Which encapsulation type must be configured on the lt-0/0/0 logical units for an interconnect
logical systems VPLS switch?
A customer wants to be able to initiate a return connection to an internal host from a specific
Server.
Which NAT feature would you use in this scenario?
What are three requirements to run OSPF over GRE over IPsec? (Choose Three)
You are attempting to ping the IP address that is assigned to the loopback interface on the
SRX series device shown in the exhibit.
What is causing this problem?
You are attempting to ping an interface on your SRX Series device, but the ping is unsuccessful.
What are three reasons for this behavior? (Choose three.)
Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
Exhibit:
Referring to the exhibit, which statement is true?
SRG1 is configured in hybrid mode.
The ICL is encrypted.
If SRG1 moves to peer 2, peer 1 will drop packets sent to the SRG1 interfaces.
If SRG1 moves to peer 2, peer 1 will forward packets sent to the SRG1 interfaces.
The exhibit describes a Chassis Cluster configuration with high availability (HA) settings. The key information is related to Service Redundancy Group 1 (SRG1) and its failover behavior between the two peers.
Explanation of Answer D (Packet Forwarding after Failover):
In a typical SRX HA setup with active/backup configuration, if the SRG1 group moves to peer 2 (the backup), peer 1 (previously the active node) will forward packets to peer 2 instead of dropping them. This ensures smooth failover and seamless continuation of services without packet loss.
This behavior is part of the active/backup failover process in SRX chassis clusters, where the standby peer takes over traffic processing without disruption.
Juniper Security
Reference:
Chassis Cluster Failover Behavior: When a service redundancy group fails over to the backup peer, the previously active peer forwards traffic to the new active node. Reference: Juniper Chassis Cluster Documentation.
Which two statements are true regarding NAT64? (Choose two.)
An SRX Series device should be in packet-based forwarding mode for IPv4.
An SRX Series device should be in packet-based forwarding mode for IPv6.
An SRX Series device should be in flow-based forwarding mode for IPv4.
An SRX Series device should be in flow-based forwarding mode for IPv6.
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Practice Tests
Selling illegal goods, money scams etc.
Serious attack on a group.
Harassing an individual (including doxing)
Threatening or glorifying violence or serious harm, including self-harm
Nudity/Sexual content
Sexually explicit or suggestive imagery or writing involving minors
Sexually explicit or suggestive imagery or writing involving non-consenting adults or non-humans
Reusing content without attribution (link and blockquotes)
Not in English or has very bad formatting, grammar, and spelling
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Ex. Illegal content, incomplete question...
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