Latest [Apr 26, 2024] 100% Passing Guarantee - Brilliant JN0-231 Exam Questions PDF
JN0-231 Certification – Valid Exam Dumps Questions Study Guide! (Updated 103 Questions)
NEW QUESTION # 56
Referring to the exhibit.
You have configured antispam to allow e-mail from example.com, however the logs you see that [email protected] is blocked What are two ways to solve this problem?
- A. Verify connectivity with the SBL server.
- B. Delete [email protected] from the profile antispam address blacklist
- C. Add [email protected] to the profile antispam address whitelist.
- D. Delete [email protected] from the profile antispam address whitelist
Answer: B,C
NEW QUESTION # 57
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 denies the first packet and sends an error message to the user.
- C. It holds the first packet until the application is identified.
- D. It allows the first packet.
Answer: C
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 # 58
Which statements describes stateless firewalls on SRX series devices?
- A. Each packet is analyzed as part of a session.
- B. Each packet is analyzed by firewall filters
- C. Each packet is analyzed based on source zone
- D. Each packet is analyzed based on application layer security
Answer: B
NEW QUESTION # 59
Which two components are configured for host inbound traffic? (Choose two.)
- A. logical interface
- B. zone
- C. routing instance
- D. physical interface
Answer: A,B
NEW QUESTION # 60
Click the Exhibit button.
What is the purpose of the host-inbound-traffic configuration shown in the exhibit?
- A. to permit all host inbound traffic on the internal security zone, but deny HTTP traffic
- B. to deny and log all host inbound traffic on the internal security zone, except for HTTP traffic
- C. to permit host inbound HTTP traffic and deny all other traffic on the internal security zone
- D. to permit host inbound HTTP traffic on the internal security zone
Answer: A
NEW QUESTION # 61
You want to block executable files ("exe) from being downloaded onto your network.
Which UTM feature would you use in this scenario?
- A. Web filtering
- B. content filtering
- C. IPS
- D. antivirus
Answer: A
Explanation:
According to the Juniper Networks official JNCIA-SEC Exam Guide, web filtering is a feature used to control access to web content, including the ability to block specific types of files.
In the scenario mentioned, you want to block executable files from being downloaded, which can be accomplished by using web filtering. The feature allows administrators to configure policies that block specific file types, including "exe" files, from being downloaded.
Reference:
Juniper Networks JNCIA-SEC Exam Guide: https://www.juniper.net/training/certification/certification-exam-guides/jncia-sec-exam-guide/
NEW QUESTION # 62
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
- C. cli privileged
- D. configure master
Answer: A
NEW QUESTION # 63
What is an IP addressing requirement for an IPsec VPN using main mode?
- A. Both peers must have static IP addressing.
- B. Both peers must have dynamic IP addresses.
- C. One peer must have static IP addressing.
- D. One peer must have dynamic IP addressing.
Answer: A
NEW QUESTION # 64
Which statement is correct about Web filtering?
- A. The client can receive an e-mail notification when traffic is blocked.
- B. The decision to permit or deny is based on the category to which a URL belongs.
- C. The Juniper Enhanced Web Filtering solution requires a locally managed server.
- D. The decision to permit or deny is based on the body content of an HTTP packet.
Answer: B
Explanation:
Web filtering is a feature that allows administrators to control access to websites by categorizing URLs into different categories such as gambling, social networking, or adult content. The decision to permit or deny access to a website is based on the category to which a URL belongs. This is done by comparing the URL against a database of categorized websites and making a decision based on the policy defined by the administrator.
Reference:
Juniper Networks SRX Series Services Gateway Web Filtering Configuration Guide: https://www.juniper.net/documentation/en_US/release-independent/junos/topics/topic-map/security-services-web-filtering.html
NEW QUESTION # 65
You have configured a Web filtering UTM policy?
Which action must be performed before the Web filtering UTM policy takes effect?
- A. The UTM policy be configured as a routing next hop.
- B. The UTM policy must be linked to an egress interface
- C. The UTM policy must be linked to a security policy
- D. The UTM policy must be linked to an ingress interface.
Answer: C
NEW QUESTION # 66
Which statement is correct about static NAT?
- A. Static NAT rules are evaluated after source NAT rules.
- B. Static NAT implements unidirectional one-to-many mappings.
- C. Static NAT implements unidirectional one-to-one mappings.
- D. Static NAT supports port translation.
Answer: C
Explanation:
Static NAT (Network Address Translation) is a type of NAT that maps a public IP address to a private IP address. With static NAT, a one-to-one mapping is created between a public IP address and a private IP address. This means that a single public IP address is mapped to a single private IP address, and all incoming traffic to the public IP address is forwarded to the private IP address.
NEW QUESTION # 67
Which security object defines a source or destination IP address that is used for an employee Workstation?
- A. scheduler
- B. Zone
- C. Screen
- D. Address book entry
Answer: D
NEW QUESTION # 68
What is the order of the first path packet processing when a packet enters a device?
- A. security policies -> zones -> screens
- B. screens -> zones -> security policies
- C. screens -> security policies -> zones
- D. security policies -> screens -> zones
Answer: B
NEW QUESTION # 69
The Sky ATP premium or basic-Threat Feed license is needed fort which two features? (Choose two.)
- A. Custom feeds
- B. Outbound protection
- C. Executable inspection
- D. C&C feeds
Answer: A,D
NEW QUESTION # 70
Which two addresses are valid address book entries? (Choose two.)
- A. 173.145.5.21/255.255.255.0
- B. 203.150.108.10/24
- C. 153.146.0.145/255.255.0.255
- D. 191.168.203.0/24
Answer: A,B
Explanation:
The correct address book entries are:
173.145.5.21/255.255.255.0
203.150.108.10/24
Both of these entries represent a valid IP address and subnet mask combination, which can be used as an address book entry in a Juniper device.
NEW QUESTION # 71
What is the behavior of an SRX series device when UDP and TCP is rejected by a security policy actions? (choose two)
- A. The reject actions drops TCP packets and sends an ICMP message to the source
- B. The reject action drops UDP packets and does not send ant message to the source
- C. The reject action drops TCP packets and send an RST message to the source.
- D. The reject action drops UDP packets and sends an ICMP message to the source
Answer: C,D
NEW QUESTION # 72
Which two notifications are available when the antivirus engine detects and infected file? (Choose two.)
- A. Protocol-only notification
- B. SMS notifications
- C. e-mail notifications
- D. SNMP notifications
Answer: A,C
NEW QUESTION # 73
Referring to the exhibit.
Users on the network are restricted from accessing Facebook, however, a recent examination of the logs show that users are accessing Facebook.
Why is this problem happening?
- A. The internet-Access rule has a higher precedence value
- B. Zone-based rules are honored before global rules
- C. Global rules are honored before zone-based rules.
- D. The internet-Access rule is listed first
Answer: B
NEW QUESTION # 74
Referring to the exhibit.
Users should not have access to Facebook, however, a recent examination of the logs security show that users are accessing Facebook.
what should you do to solve this problem?
- A. Change the source address for the Block-Facebook-Access rule to the prefix of the users
- B. Move the Block-Facebook-Access rule from a zone policy to a global policy
- C. Change the Internet-Access rule from a zone policy to a global policy
- D. Move the Block-Facebook-Access rule before the Internet-Access rule
Answer: D
NEW QUESTION # 75
What are two valid address books? (Choose two.)
- A. 66.129.239.0/24
- B. 66.129.239.128/25
- C. 66.129.239.50/25
- D. 66.129.239.154/24
Answer: C,D
NEW QUESTION # 76
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