Which two statements are correct regarding tenant systems on SRX Series devices? (Choose two.)
Answer(s): C,D
The following statements are true regarding tenant systems on SRX Series devices:Each tenant system runs its own instance of the routing protocol process. Each tenant system is isolated, and it has its own routing table, interfaces, and security policies. A maximum of 500 tenant systems can be configured on a physical SRX device. This allows for a high degree of flexibility and scalability, as each tenant system can be configured with its own set of features and security policies.A maximum of 32 tenant systems can be configured on a physical SRX device and All tenant systems share a single routing protocol process are not correct statements
You are asked to allocate security profile resources to the interconnect logical system for it to work properly.In this scenario, which statement is correct?
Answer(s): D
The flow-session resource is needed in order to ensure adequate and secure communication between the two logical systems.The flow-session resource must be defined in the security profile for the interconnect logical system because the interconnect logical system is responsible for forwarding traffic between other logical systems. The flow-session resource determines the maximum number of sessions that the interconnect logical system can create and maintain. If the flow-session resource is not allocated or is insufficient, the interconnect logical system might drop packets or fail to establish sessions. The NAT resources are not needed to be allocated to the interconnect logical system because the interconnect logical system does not perform any NAT operations on the traffic. The NAT resources are only relevant for the logical systems that need to translate the source or destination IP addresses or ports of the traffic.No resources are not needed to be allocated to the interconnect logical system is incorrect because the interconnect logical system still requires some resources to function properly, such as the flow- session resource. The interconnect logical system cannot operate without any resources allocated to it.The resources must be calculated based on the amount of traffic that will flow between the logical systems is partially correct, but not the best answer. The resources must be calculated based on the amount of traffic and the type of traffic that will flow between the logical systems. For example, the flow-session resource depends on the number and duration of sessions, the security-log-stream-number resource depends on the number and size of logs, and the NAT resource depends on the number and type of NAT rules.
Security Profiles for Logical Systems | Junos OS | Juniper Networks
ExhibitThe exhibit shows a snippet of a security flow trace.In this scenario, which two statements are correct? (Choose two.)
Answer(s): A,D
According to the security flow trace shown in the exhibit, which is a snippet of a packet capture on an SRX Series device, the two statements that are correct are:This packet arrived on interface ge-0/0/4.0. This is indicated by the line In: 10.0.1.129/22 -> 10.0.1.129/3382;1,0x0, which shows that the ingress interface of the packet is ge-0/0/4.0, as the interface name is prefixed to the source and destination IP addresses and ports of the packet. An existing session is found in the table. This is indicated by the line Found: session id 0x12. sess tok 28685, which shows that the packet matches an existing session in the session table with the session ID 0x12 and the session token 286852.The following statements are incorrect or not supported by the output:Destination NAT occurs. This is not supported by the output, as there is no indication of destination NAT being applied to the packet. The destination IP address of the packet is 10.0.1.129, which is the same as the destination IP address of the original packet. If destination NAT was applied, the destination IP address of the packet would be different from the destination IP address of the original packet.The capture is a packet from the source address 172.20.101.10 destined to 10.0.1.129. This is false, as the output shows that the source address of the packet is 10.0.1.129, not 172.20.101.10. The source IP address of the packet is prefixed to the ingress interface name ge-0/0/4.0.
1: Understanding Security Flow Trace 2: show security flow session - Technical Documentation - Support - Juniper Networks
ExhibitYour company recently acquired a competitor. You want to use using the same IPv4 address space as your company.Referring to the exhibit, which two actions solve this problem? (Choose two)
Answer(s): A,C
To solve the problem of using the same IPv4 address space as your company, you can identify two neutral IPv4 address spaces for address translation. This will allow you to use the same IPv4 address space as your company without any conflicts. Additionally, you can configure static NAT on the SRX Series devices to ensure that the traffic is properly routed between the two networks. Static NAT is a type of network address translation that maps a private IP address to a public IP address on a one-to-one basis. Static NAT is useful when you need to expose a server or device with a private IP address to the Internet or another network with a different IP address range. Static NAT also preserves the original source or destination IP address in the packet header, which can be useful for logging or auditing purposes.Neutral IPv4 address spaces are IP address ranges that are not assigned to any specific organization or entity. They are usually reserved for special purposes, such as private networks, multicast, loopback, or documentation. Neutral IPv4 address spaces can be used for address translation when there is an overlap or conflict between two networks that need to communicate with each other. For example, you can use the 10.0.0.0/8, 172.16.0.0/12, or 192.168.0.0/16 address ranges, which are designated for private use, as neutral IPv4 address spaces for address translation.
SRX Getting Started - Configure VPN tunnel for site-to-site connectivity SRX & J Series Site-to-Site VPN ConfiguratorResolution Guide SRX - Troubleshoot Static NATRFC 1918 - Address Allocation for Private Internets
ExhibitYou have recently configured Adaptive Threat Profiling and notice 20 IP address entries in the monitoring section of the Juniper ATP Cloud portal that do not match the number of entries locally on the SRX Series device, as shown in the exhibit.What is the correct action to solve this problem on the SRX device?
Answer(s): B
The correct action to solve this problem on the SRX device is to refresh the feed in ATP Cloud. This is because the number of IP address entries in the monitoring section of the Juniper ATP Cloud portal does not match the number of entries locally on the SRX Series device. This discrepancy can be caused by a number of factors, such as the SRX device not being properly configured for Adaptive Threat Profiling, or the feed not being properly downloaded from the Juniper ATP Cloud portal. By refreshing the feed in ATP Cloud, the SRX device can synchronize its local feed with the latest feed from the cloud service and ensure that the entries are consistent and accurate.
JuniperSecurity, Professional (JNCIP-SEC) Reference Materials source and documents:https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/security-adaptive- threat-profiling-configuring.html
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