Free Juniper JN0-636 Exam Actual Questions

The questions for JN0-636 were last updated On Apr 20, 2025

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Question No. 1

Exhibit.

Referring to the exhibit, a spoke member of an ADVPN is not functioning correctly.

Which two commands will solve this problem? (Choose two.)

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Correct Answer: B, D

https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-auto-discovery-vpns.html


Question No. 2

Exhibit

Which two statements are correct about the output shown in the exhibit. (Choose two.)

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Correct Answer: A, B

The source address is translated because the traceoptions output shows that the source IP address 192.168.5.2 is translated to 192.168.100.1 and the source port 0 is translated to 14777. The traceoptions output also shows the flag flow_first_src_xlate, which indicates that this is the first time that source NAT is applied to this session.

The packet is an SSH packet because the traceoptions output shows that the application protocol is tcp/22, which is the default port for SSH. The traceoptions output also shows the flag flow_tcp_syn, which indicates that this is the first packet of a TCP connection.


traceoptions (Security NAT) | Junos OS | Juniper Networks

[SRX] How to interpret Flow TraceOptions output for NAT troubleshooting

Question No. 3

You are asked to control access to network resources based on the identity of an authenticated device

Which three steps will accomplish this goal on the SRX Series firewalls? (Choose three )

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Correct Answer: A, C, E

To control access to network resources based on the identity of an authenticated device on the SRX Series firewalls, you need to perform the following steps:

A) Configure an end-user-profile that characterizes a device or set of devices. An end-user-profile is a device identity profile that contains a collection of attributes that are characteristics of a specific group of devices, or of a specific device, depending on the attributes configured in the profile. The end-user-profile must contain a domain name and at least one value in each attribute.The attributes include device-identity, device-category, device-vendor, device-type, device-os, and device-os-version1.You can configure an end-user-profile by using the Junos Space Security Director or the CLI2.

C) Reference the end-user-profile in the security policy. A security policy is a rule that defines the action to be taken for the traffic that matches the specified criteria, such as source and destination addresses, zones, protocols, ports, and applications. You can reference the end-user-profile in the source-end-user-profile field of the security policy to identify the traffic source based on the device from which the traffic issued.The SRX Series device matches the IP address of the device to the end-user-profile and applies the security policy accordingly3.You can reference the end-user-profile in the security policy by using the Junos Space Security Director or the CLI4.

E) Configure the authentication source to be used to authenticate the device. An authentication source is a system that provides the device identity information to the SRX Series device. The authentication source can be Microsoft Windows Active Directory or a third-party network access control (NAC) system. You need to configure the authentication source to be used to authenticate the device and to send the device identity information to the SRX Series device.The SRX Series device stores the device identity information in the device identity authentication table5.You can configure the authentication source by using the Junos Space Security Director or the CLI6.

The other options are incorrect because:

B) Referencing the end-user-profile in the security zone is not a valid step to control access to network resources based on the identity of an authenticated device. A security zone is a logical grouping of interfaces that have similar security requirements.You can reference the user role in the security zone to identify the user who is accessing the network resources, but not the end-user-profile7.

D) Applying the end-user-profile at the interface connecting the devices is also not a valid step to control access to network resources based on the identity of an authenticated device. You cannot apply the end-user-profile at the interface level, but only at the security policy level.The end-user-profile is not a firewall filter or a security policy, but a device identity profile that is referenced in the security policy1.


End User Profile Overview

Creating an End User Profile

source-end-user-profile

Creating Firewall Policy Rules

Understanding the Device Identity Authentication Table and Its Entries

Configuring the Authentication Source for Device Identity

user-role

Question No. 4

Exhibit

You are trying to configure an IPsec tunnel between SRX Series devices in the corporate office and branch1. You have committed the configuration shown in the exhibit, but the IPsec tunnel is not establishing.

In this scenario, what would solve this problem.

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Correct Answer: C

According to the Juniper documentation, the local identity for an IPsec VPN tunnel must match the remote identity of the peer device. The local identity can be configured as an IP address, a hostname, a distinguished name, or an advpn identifier. The advpn identifier is used for dynamic VPNs that support multiple remote endpoints. In the exhibit, the corporate device has the local identity configured as inet advpn, which means it expects the branch1 device to have the same remote identity. However, the branch1 device has the local identity configured as inet, which does not match the corporate device's remote identity. Therefore, the IKE negotiation fails and the IPsec tunnel is not established.To solve this problem, the local identity on the branch1 device should be changed to inet advpn, so that it matches the corporate device's remote identity.Reference: [Configuring an IKE Gateway]1, [Configuring Local and Remote Identities]2

1: https://www.juniper.net/documentation/us/en/software/junos/vpn-ipsec/topics/task/configuration/security-ike-gateway-configuring.html2: https://www.juniper.net/documentation/us/en/software/junos/vpn-ipsec/topics/topic-map/security-ipsec-vpn-identities.html


Question No. 5

Which two log format types are supported by the JATP appliance? (Choose two.)

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Correct Answer: B, C

https://www.juniper.net/documentation/en_US/release-independent/jatp/topics/topic-map/jatp-custom-log-ingestion.html


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