JN0-1331 Exam Questions and Answers

QUESTION: 6

You are creating a security design proposal for an enterprise customer. As part of the design, you are implementing 802.1x authentication on your EX Series devices.

In this scenario, which two statements are correct? (Choose two.)

The supplicant is the device that prevents the authenticator’s access until it is authenticated
The supplicant is the device that is being authenticated
The authenticator is the device that is being authenticated
The authenticator is the device that prevents the supplicant’s access until it is authenticated

Answer(s): B,D

Reference:

https://www.juniper.net/documentation/en_US/junos/topics/topic-map/802-1x-authentication-switching-devices.html

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QUESTION: 7

You are asked to install a mechanism to protect an ISP network from denial-of-service attacks from a small number of sources. Which mechanism will satisfy this requirement?

RTBH
UTM
Sky ATP
GeoIP

Answer(s): A

Reference:

https://www.juniper.net/documentation/en_US/day-one-books/DO_BGP_FLowspec.pdf

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QUESTION: 8

You are responding to an RFP for securing a large enterprise. The RFP requires an onsite security solution which can use logs from third-party sources to prevent threats. The solution should also have the capability to detect and stop zero-day attacks.

Which Juniper Networks solution satisfies this requirement?

IDP
Sky ATP
JSA
JATP

Answer(s): D

Reference:

https://www.juniper.net/uk/en/products-services/security/advanced-threat-prevention/

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QUESTION: 9

You are designing an SDSN security solution for a new campus network. The network will consist of Juniper Networks Policy Enforcer, Juniper Networks switches, third-party switches, and SRX Series devices. The switches and the SRX Series devices will be used as security enforcement points.

Which component supports the SRX Series devices in this scenario?

Security Director
RADIUS server
certificate server
DHCP server

Answer(s): A

Reference:

https://www.juniper.net/documentation/en_US/release-independent/solutions/topics/concept/sg- 006a-sdsn-product-components.html

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QUESTION: 10

Your company has outgrown its existing secure enterprise WAN that is configured to use OSPF, AutoVPN, and IKE version 1. You are asked if it is possible to make a design change to improve the WAN performance without purchasing new hardware.

Which two design changes satisfy these requirements? (Choose two.)

Modify the IPsec proposal from AES-128 to AES-256
Change the IGP from OSPF to IS-IS
Migrate to IKE version 2
Implement Auto Discovery VPN

Answer(s): B,D

Reference:

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

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Juniper JN0-1331 Exam (page: 2) Juniper Security Design, Specialist (JNCDS-SEC) Updated on: 25-Dec-2025

QUESTION: 6

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QUESTION: 7

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QUESTION: 8

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QUESTION: 9

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QUESTION: 10

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Juniper JN0-1331 Exam (page: 2)
Juniper Security Design, Specialist (JNCDS-SEC)
Updated on: 25-Dec-2025