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The JN0-231 exam is an associate-level certification exam, which means that it is ideal for individuals who are new to the field of security and Juniper Networks. The exam can also be taken by experienced professionals who are looking to enhance their skills and validate their knowledge. Juniper Networks recommends that candidates have a basic understanding of networking fundamentals before attempting the JN0-231 exam. The exam comprises multiple-choice and multiple-select questions, and candidates have 90 minutes to complete it.
The JN0-231 exam is a vendor-neutral exam that is recognized by many organizations and employers as a standard for measuring one's knowledge and skills in the field of network security. This certification can help individuals stand out in a competitive job market and demonstrate their expertise in security concepts and Juniper Networks security technologies.
NEW QUESTION # 20
Which zone is considered a functional zone?
- A. Junos host
- B. Null
- C. Trust
- D. Management
Answer: D
NEW QUESTION # 21
Which two statements are true regarding zone-based security policies? (Choose two.)
- A. Zone-based policies must reference a destination address in the match criteria
- B. Zone-based policies must reference a URL category in the match criteria.
- C. Zone-based policies must reference a source address in the match criteria.
- D. Zone-based policies must reference a dynamic application in the match criteria.
Answer: A,C
NEW QUESTION # 22
When transit traffic matches a security policy, which three actions are available? (Choose three.)
- A. Reject
- B. Deny
- C. Allow
- D. Permit
- E. Discard
Answer: A,B,D
NEW QUESTION # 23
You are configuring an SRX Series device. You have a set of servers inside your private network that need one-to-one mappings to public IP addresses.
Which NAT configuration is appropriate in this scenario?
- A. destination NAT
- B. static NAT
- C. NAT-T
- D. source NAT with PAT
Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/day-one-books/nat-and-pat-en.html And the specific text that would support the above answer is as follows: "Static NAT, which requires manual configuration, is often the most appropriate configuration for mapping one internal address to one external address."
NEW QUESTION # 24
Which actions would be applied for the pre-ID default policy unified policies?
- A. Redirect the session
- B. Silently drop the session
- C. Log the session
- D. Reject the session
Answer: C
NEW QUESTION # 25
What are two valid address books? (Choose two.)
- A. 66.129.239.50/25
- B. 66.129.239.154/24
- C. 66.129.239.128/25
- D. 66.129.239.0/24
Answer: C,D
Explanation:
Network Prefixes in Address Books
You can specify addresses as network prefixes in the prefix/length format. For example, 203.0.113.0/24 is an acceptable address book address because it translates to a network prefix. However, 203.0.113.4/24 is not acceptable for an address book because it exceeds the subnet length of 24 bits. Everything beyond the subnet length must be entered as 0 (zero). In special scenarios, you can enter a hostname because it can use the full 32-bit address length.
https://www.juniper.net/documentation/us/en/software/junos/security-policies/topics/topic-map/security-address-books-sets.html
NEW QUESTION # 26
Which two feature on the SRX Series device are common across all Junos devices? (Choose two.)
- A. screens
- B. UTM services
- C. The separation of control and forwarding planes
- D. Stateless firewall filters
Answer: C,D
NEW QUESTION # 27
You are designing a new security policy on an SRX Series device. You must block an application and log all occurrence of the application access attempts.
In this scenario, which two actions must be enabled in the security policy? (Choose two.)
- A. Enable a deny action
- B. Log the session initiations
- C. Log the session closures
- D. Enable a reject action
Answer: A,B
NEW QUESTION # 28
Which two user authentication methods are supported when using a Juniper Secure Connect VPN? (Choose two.)
- A. certificate-based
- B. active directory
- C. multi-factor authentication
- D. local authentication
Answer: B,D
Explanation:
"Local Authentication-In local authentication, the SRX Series device validates the user credentials by checking them in the local database. In this method, the administrator handles change of password or resetting of forgotten password. Here, it requires that an user must remember a new password. This option is not much preferred from a security standpoint.
* External Authentication-In external authentication, you can allow the users to use the same user credentials they use when accessing other resources on the network. In many cases, user credentials are domain logon used for Active Directory or any other LDAP authorization system. This method simplifies user experience and improves the organization's security posture; because you can maintain the authorization system with the regular security policy used by your organization."
https://www.juniper.net/documentation/us/en/software/secure-connect/secure-connect-administrator-guide/topics/topic-map/secure-connect-getting-started.html
NEW QUESTION # 29
Which two statements are true about Juniper ATP Cloud? (Choose two.)
- A. Juniper ATP Cloud delivers intrusion protection services.
- B. Juniper ATP Cloud is a cloud-based ATP subscription.
- C. Juniper ATP Cloud can be used to block and allow IPs.
- D. Juniper ATP Cloud is an on-premises ATP appliance.
Answer: A,B
Explanation:
Juniper ATP Cloud is a cloud-based ATP subscription that delivers advanced threat protection services, such as URL categorization, file reputation analysis, and malware analysis. It is able to quickly and accurately categorize URLs and other web content, and can also provide detailed reporting on web usage, as well as the ability to define and enforce acceptable use policies. Additionally, Juniper ATP Cloud is able to block and allow specific IPs, providing additional protection against malicious content.
NEW QUESTION # 30
Click the Exhibit button.
Referring to the exhibit, a user is placed in which hierarchy when the exit command is run?
- A. [edit security policies]
user@vSRX-1# - B. user@vSRX-1>
- C. [edit]
user@vSRX-1# - D. [edit security policies from-zone trust to-zone dmz]
user@vSRX-1#
Answer: C
NEW QUESTION # 31
When configuring antispam, where do you apply any local lists that are configured?
- A. antispam feature-profile
- B. antispam UTM policy
- C. custom objects
- D. advanced security policy
Answer: C
Explanation:
user@host# set security utm custom-objects url-pattern url-pattern-name https://www.juniper.net/documentation/us/en/software/junos/utm/topics/topic-map/security-local-list-antispam-filtering.html
NEW QUESTION # 32
Click the exhibit button
You are configuring an IPsec VPN for the network show in the exhibit
Which feature must be enabled the VPN to established successfully?
- A. Aggressive mode must be configured on IKE gateway
- B. Main mode must be configured on the IKE gateway
- C. Main mode must be configured on the IPsec VPN
- D. Aggressive mode must be configured on the IPsec VPN
Answer: A
NEW QUESTION # 33
What are two characteristics of a null zone? (Choose two.)
- A. By default, all unassigned interfaces are placed in the null zone.
- B. All ingress and egress traffic on an interface in a null zone is permitted.
- C. When an interface is deleted from a zone, it is assigned back to the null zone.
- D. The null zone is configured by the super user.
Answer: A,C
NEW QUESTION # 34
What are two functions of Juniper ATP Cloud? (Choose two.)
- A. DDoS protection
- B. Geo IP feeds
- C. Web content filtering
- D. malware inspection
Answer: B,D
Explanation:
Juniper Advanced Threat Prevention (ATP) Cloud is a security service that helps organizations protect against advanced threats by providing real-time threat intelligence and automated response capabilities. It combines a cloud-based threat intelligence platform with the security capabilities of Juniper Networks security devices to provide comprehensive protection against advanced threats. The two functions of Juniper ATP Cloud include malware inspection and Geo IP feeds. The malware inspection component provides real-time protection against known and unknown threats by analyzing suspicious files and determining if they are malicious. The Geo IP feeds provide a global view of IP addresses and their associated countries, allowing organizations to identify and block traffic from known malicious countries.
NEW QUESTION # 35
You are assigned a project to configure SRX Series devices to allow connections to your webservers. The webservers have a private IP address, and the packets must use NAT to be accessible from the Internet. You do not want the webservers to initiate connections with external update servers on the Internet using the same IP address as customers use to access them.
Which two NAT types must be used to complete this project? (Choose two.)
- A. source NAT
- B. static NAT
- C. hairpin NAT
- D. destination NAT
Answer: A,D
NEW QUESTION # 36
You want to enable the minimum Juniper ATP services on a branch SRX Series device.
In this scenario, what are two requirements to accomplish this task? (Choose two.)
- A. Execute the Juniper ATP script on the branch device.
- B. Install a basic Juniper ATP license on the branch device.
- C. Register for a Juniper ATP account on https://sky.junipersecurity.net.
- D. Configure the juniper-atp user account on the branch device.
Answer: A,C
Explanation:
https://manuals.plus/m/95fded847e67e8f456453182a54526ba3224a61a337c47177244d345d1f3b19e.pdf
NEW QUESTION # 37
Which two IPsec hashing algorithms are supported on an SRX Series device? (Choose two.)
- A. SHAKE128
- B. MD5
- C. RIPEMD-256
- D. SHA-1
Answer: B,D
NEW QUESTION # 38
Which UTM feature should you use to protect users from visiting certain blacklisted websites?
- A. Antivirus
- B. Content filtering
- C. Web filtering
- D. antispam
Answer: C
NEW QUESTION # 39
Click the Exhibit button.
Referring to the exhibit, a user is placed in which hierarchy when the exit command is run?
- A. [edit security policies from-zone trust to-zone dmz]
user@vSRX-1# - B. [edit security policies]
user@vSRX-1# - C. [edit]
user@vSRX-1# - D. user@vSRX-1>
Answer: A
NEW QUESTION # 40
Which security policy type will be evaluated first?
- A. A global policy with a dynamic application set
- B. A global with no dynamic application set
- C. A zone policy with a dynamic application set
- D. A zone policy with no dynamic application set
Answer: A
NEW QUESTION # 41
Exhibit.
Which statement is correct regarding the interface configuration shown in the exhibit?
- A. The interface MTU has been increased.
- B. The interface is assigned to the trust zone by default.
- C. The IP address is assigned to unit 0.
- D. The IP address has an invalid subnet mask.
Answer: C
NEW QUESTION # 42
On an SRX device, you want to regulate traffic base on network segments.
In this scenario, what do you configure to accomplish this task?
- A. NAT
- B. Zones
- C. ALGs
- D. Screens
Answer: B
NEW QUESTION # 43
Unified threat management (UTM) inspects traffic from which three protocols? (Choose three.)
- A. FTP
- B. SMTP
- C. HTTP
- D. SSH
- E. SNMP
Answer: A,B,C
Explanation:
https://www.inetzero.com/blog/unified-threat-management-deeper-dive-traffic-inspection/
NEW QUESTION # 44
You configure and applied several global policies and some of the policies have overlapping match criteria.
- A. The most restrictive that matches is applied.
- B. In this scenario, how are these global policies applies?
- C. The first matched policy is the only policy applied.
- D. The least restrictive policy that matches is applied.
Answer: B
NEW QUESTION # 45
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The JNCIA-SEC certification is intended for individuals who have a basic understanding of security technologies and are interested in pursuing a career in security. The certification exam covers a wide range of topics, including security policies, security zones, firewalls, VPNs, and intrusion detection and prevention systems. Candidates who pass the exam will have demonstrated their ability to configure, monitor, and troubleshoot Juniper Networks security devices.
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