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Juniper JN0-637 Online Practice Questions and Exam Preparation

JN0-637 Exam Details

  • Exam Code
    :JN0-637
  • Exam Name
    :Security, Professional (JNCIP-SEC)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :125 Q&As
  • Last Updated
    :Jul 14, 2026

Juniper JN0-637 Online Questions & Answers

  • Question 1:

    Exhibit:

    You have deployed a pair of SRX series devices in a multimode HA environment. You need to enable IPsec encryption on the interchassis link. Referring to the exhibit, which three steps are required to enable ICL encryption? (Choose three.)

    A. Install the Junos IKE package on both nodes.
    B. Enable OSPF for both interchassis link interfaces and tum on the dynamic-neighbors parameter.
    C. Configure a VPN profile for the HA traffic and apply to both nodes.
    D. Enable HA link encryption in the IPsec profile on both nodes.
    E. Enable HA link encryption in the IKE profile on both nodes,

  • Question 2:

    You are deploying threat remediation to endpoints connected through third-party devices. In this scenario, which three statements are correct? (Choose three.)

    A. All third-party switches must support AAA/RADIUS and Dynamic Authorization Extensions to the RADIUS protocol.
    B. The connector uses an API to gather endpoint MAC address information from the RADIUS server.
    C. All third-party switches in the specified network are automatically mapped and registered with the RADIUS server.
    D. The connector queries the RADIUS server for the infected host endpoint details and initiates a change of authorization (CoA) for the infected host.
    E. The RADIUS server sends Status-Server messages to update infected host information to the connector.

  • Question 3:

    Exhibit:

    Referring to the exhibit, which IKE mode will be configured on the HQ-Gateway and Subsidiary-Gateway?

    A. Main mode on both the gateways
    B. Aggressive mode on both the gateways
    C. Main mode on the HQ-Gateway and aggressive mode on the Subsidiary-Gateway
    D. Aggressive mode on the HQ-Gateway and main mode on the Subsidiary-Gateway

  • Question 4:

    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 destination NAT for both the DNS server and the webserver.
    D. Configure proxy ARP on ge-0/0/3.

  • Question 5:

    Which two statements about the differences between chassis cluster and multinode HA on SRX series devices are true? (Choose Two)

    A. Multinode HA member nodes require Layer 2 connectivity.
    B. Multinode HA supports Layer 2 and Layer 3 connectivity between nodes.
    C. Multinode HA requires Layer 3 connectivity between nodes.
    D. Chassis cluster member nodes require Layer 2 connectivity.

  • Question 6:

    Referring to the exhibit, you are attempting to set up a remote access VPN on your SRX series devices.

    However you are unsure of which system services you should allow and in which zones they should be allowed to correctly finish the remote access VPN configuration. Which two statements are correct? (Choose two.)

    A. You should add the host-inbound-traffic system-service ike statement to the Untrust zone.
    B. You should add the host-inbound-traffic system-service ike statement to the VPN zone.
    C. You should add the host-inbound-traffic system-service tcp-encap statement to the Untrust zone
    D. You should add the host-inbound-traffic system-service tcp-encap statement to the VPN zone

  • Question 7:

    You need to set up source NAT so that external hosts can initiate connections to an internal device, but only if a connection to the device was first initiated by the internal device.

    Which type of NAT solution provides this functionality?

    A. Address persistence
    B. Persistent NAT with any remote host
    C. Persistent NAT with target host
    D. Static NAT

  • Question 8:

    You are asked to see if your persistent NAT binding table is exhausted. Which show command would you use to accomplish this task?

    A. show security nat source persistent-nat-table summary
    B. show security nat source summary
    C. show security nat source pool all
    D. show security nat source persistent-nat-table all

  • Question 9:

    Exhibit:

    You are having problems configuring advanced policy-based routing.

    What should you do to solve the problem?

    A. Apply a policy to the APBR RIB group to only allow the exact routes you need.
    B. Change the routing instance to a forwarding instance.
    C. Change the routing instance to a virtual router instance.
    D. Remove the default static route from the main instance configuration.

  • Question 10:

    Referring to the exhibit.

    Host A shown in the exhibit is attempting to reach the Web1 webserver, but the connection is failing. Troubleshooting reveals that when Host A attempts to resolve the domain name of the server (web.acme. com), the request is resolved to the private address of the server rather than its public IP.

    Which feature would you configure on the SRX Series device to solve this issue?

    A. Persistent NAT
    B. Double NAT
    C. DNS doctoring
    D. STUN protocol

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