Free JNCIA-SEC JN0-231 Ultimate Study Guide (Updated 103 Questions)
Get to the Top with JN0-231 Practice Exam Questions
The JN0-231 exam is intended for individuals who have some experience in networking and security. JN0-231 exam covers a wide range of topics, including Junos OS fundamentals, security policies, firewall filters, NAT, IPSec VPNs, and SSL VPNs. JN0-231 exam also covers the use of Juniper Networks security solutions such as SRX Series Services Gateways and Junos Space Security Director.
Juniper JN0-231 (Security, Associate (JNCIA-SEC)) Certification Exam is an essential certification for anyone interested in pursuing a career in network security. JN0-231 exam is comprehensive, challenging, and widely recognized in the industry. It is an excellent way to demonstrate your knowledge and skills in network security and advance your career as a Juniper Networks security professional.
Juniper JN0-231: Security, Associate (JNCIA-SEC) is an entry-level certification exam offered by Juniper Networks. JN0-231 exam is designed for individuals who wish to start their career in the field of network security. The JNCIA-SEC certification exam is a part of the Juniper Networks Certification Program (JNCP) and provides a strong foundation in security concepts, policies, and best practices.
NEW QUESTION # 33
Which statement about global NAT address persistence is correct?
- A. The same IP address from a source NAT pool will be assigned for all sessions from a given host.
- B. The same IP address from a destination NAT pool is not guaranteed to be assigned for all sessions for a given host.
- C. The same IP address from a source NAT pool is not guaranteed to be assigned for all sessions from a given host.
- D. The same IP address from a destination NAT pool will be assigned for all sessions for a given host.
Answer: A
NEW QUESTION # 34
When configuring antispam, where do you apply any local lists that are configured?
- A. antispam UTM policy
- B. advanced security policy
- C. antispam feature-profile
- D. custom objects
Answer: B
NEW QUESTION # 35
What is the correct order in which interface names should be identified?
- A. system slot number -> interface media type -> port number -> line card slot number
- B. interface media type -> port number -> system slot number -> line card slot number
- C. interface media type -> system slot number -> line card slot number -> port number
- D. system slot number -> port number -> interface media type -> line card slot number
Answer: C
NEW QUESTION # 36
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. destination NAT
- B. hairpin NAT
- C. source NAT
- D. static NAT
Answer: A,C
NEW QUESTION # 37
What are two features of the Juniper ATP Cloud service? (Choose two.)
- A. EX Series device integration
- B. malware detection
- C. honeypot
- D. sandbox
Answer: B,D
NEW QUESTION # 38
Your company is adding IP cameras to your facility to increase physical security. You are asked to help protect these loT devices from becoming zombies in a DDoS attack.
Which Juniper ATP feature should you configure to accomplish this task?
- A. allowlists
- B. IPsec
- C. C&C feeds
- D. static NAT
Answer: C
Explanation:
Juniper ATP should be configured with C&C feeds that contain lists of malicious domains and IP addresses in order to prevent IP cameras from becoming zombies in a DDoS attack.
This is an important step to ensure that the IP cameras are protected from malicious requests - and thus, they will not be able to be used in any DDoS attacks against the facility.
NEW QUESTION # 39
Which three Web filtering deployment actions are supported by Junos? (Choose three.)
- A. Use Websense Redirect.
- B. Use local lists.
- C. Use remote lists.
- D. Use Juniper Enhanced Web Filtering.
- E. Use IPS.
Answer: A,B,D
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/utm/topics/concept/utm-web-filtering-overview.html
NEW QUESTION # 40
You are deploying an SRX Series firewall with multiple NAT scenarios.
In this situation, which NAT scenario takes priority?
- A. source NAT
- B. static NAT
- C. destination NAT
- D. interface NAT
Answer: B
NEW QUESTION # 41
Users in your network are downloading files with file extensions that you consider to be unsafe for your network. You must prevent files with specific file extensions from entering your network.
Which UTM feature should be enable on an SRX Series device to accomplish this task?
- A. Web filtering
- B. URL filtering
- C. Content filtering
- D. Antispam
Answer: C
NEW QUESTION # 42
What is a characteristic of the Junos enhanced Web filtering solution?
- A. The SRX series device intercepts HTTP and HTTPS request and send the source IP address to the on-premises Websense server
- B. The Websense cloud categorize the URLs and also provide site reputation information.
- C. Junos Enhanced Web filtering allows the SRX series device to categorize URLs using an onpremises websense server.
- D. The Websense cloud resolves the categorized URLs to IP addresses by performing a DNS reverse loockup
Answer: C
NEW QUESTION # 43
Which Web filtering solution uses a direct Internet-based service for URL categorization?
- A. Websense Redirect
- B. Juniper Enhanced Web Filtering
- C. Juniper ATP Cloud
- D. local blocklist
Answer: B
Explanation:
Juniper Enhanced Web Filtering is a web filtering solution that uses a direct Internet-based service for URL categorization. This service allows Enhanced Web Filtering to quickly and accurately categorize URLs and other web content, providing real-time protection against malicious content. Additionally, Enhanced Web Filtering is able to provide detailed reporting on web usage, as well as the ability to define and enforce acceptable use policies.
NEW QUESTION # 44
Which type of security policy protect restricted services from running on non-standard ports?
- A. Sky ATP
- B. Application firewall
- C. IDP
- D. antivirus
Answer: C
NEW QUESTION # 45
Your ISP gives you an IP address of 203.0.113.0/27 and informs you that your default gateway is 203.0.113.1. You configure destination NAT to your internal server, but the requests sent to the webserver at 203.0.113.5 are not arriving at the server.
In this scenario, which two configuration features need to be added? (Choose two.)
- A. UTM policy
- B. firewall filter
- C. security policy
- D. proxy-ARP
Answer: C,D
NEW QUESTION # 46
Which statement is correct about IKE?
- A. IKE phase 1 only support aggressive mode.
- B. IKE phase 1 establishes the tunnel between devices
- C. IKE phase 1 is used to establish the data path
- D. IKE phase 1 negotiates a secure channel between gateways.
Answer: D
NEW QUESTION # 47
Which two match conditions would be used in both static NAT and destination NAT rule sets? (Choose two.)
- A. Destination zone
- B. Destination interface
- C. Source interface
- D. Source zone
Answer: B,D
NEW QUESTION # 48
You want to prevent other users from modifying or discarding your changes while you are also editing the configuration file.
In this scenario, which command would accomplish this task?
- A. configure exclusive
- B. configure master
- C. cli privileged
- D. configure
Answer: A
NEW QUESTION # 49
An application firewall processes the first packet in a session for which the application has not yet been identified.
In this scenario, which action does the application firewall take on the packet?
- A. It denies the first packet.
- B. It holds the first packet until the application is identified.
- C. It denies the first packet and sends an error message to the user.
- D. It allows the first packet.
Answer: B
Explanation:
This is necessary to ensure that the application firewall can properly identify the application and the correct security policies can be applied before allowing any traffic to pass through.
If the first packet was allowed to pass without first being identified, then the application firewall would not know which security policies to apply - and this could potentially lead to security vulnerabilities or breaches. So it's important that the first packet is held until the application is identified.
NEW QUESTION # 50
Which two statements are correct about the integrated user firewall feature?(Choose two.)
- A. It uses the LDAP protocol.
- B. It allows tracking of non-Windows Active Directory users.
- C. It maps IP addresses to individual users.
- D. It supports IPv4 addresses.
Answer: B,C
NEW QUESTION # 51
What is a type of security feed that Sky ATP provides to a vSRX series device by default?
- A. ACL feeds
- B. RSS feeds
- C. Malware feeds
- D. C&C feeds
Answer: D
NEW QUESTION # 52
Which two statements are correct about functional zones? (Choose two.)
- A. Traffic received on the management interface in the functional zone cannot transit out other interface.
- B. A functional zone uses security policies to enforce rules for transit traffic.
- C. Functional zones separate groups of users based on their function.
- D. A function is used for special purpose, such as management interface
Answer: A,D
NEW QUESTION # 53
When creating a site-to-site VPN using the J-Web shown in the exhibit, which statement is correct?
- A. RIP, OSPF, and BGP are supported under Routing mode.
- B. The remote gateway is configured automatically based on the local gateway settings.
- C. Privately routable IP addresses are required.
- D. The authentication method is pre-shared key or certificate based.
Answer: C
NEW QUESTION # 54
Which statement about IPsec is correct?
- A. IPsec is a standards-based protocol.
- B. IPsec is used to provide data replication
- C. IPsec can provide encapsulation but not encryption
- D. IPsec can be used to transport native Layer 2 packets.
Answer: A
NEW QUESTION # 55
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