Quiz Useful Juniper - JN0-232 - Security, Associate (JNCIA-SEC) Valid Exam Braindumps

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Juniper JN0-232 Exam Syllabus Topics:

SectionObjectives
Topic 1: Juniper SRX Platform Basics- Junos security architecture
  • 1. SRX operating modes
    • 2. Packet flow processing
      Topic 2: Security Fundamentals- Network security concepts
      • 1. Security principles (CIA triad)
        • 2. Threat types and attack vectors
          Topic 3: VPN and Secure Connectivity- IPsec VPN fundamentals
          • 1. VPN components and phases
            • 2. Site-to-site VPN concepts
              Topic 4: Security Services and Monitoring- Security services overview
              • 1. Firewall filters vs security policies
                • 2. Logging and monitoring tools
                  Topic 5: Security Policies and NAT- Network Address Translation
                  • 1. Source NAT and destination NAT
                    • 2. NAT troubleshooting basics
                      - Policy configuration
                      • 1. Policy matching logic
                        • 2. Security zones and policies

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                          Juniper Security, Associate (JNCIA-SEC) Sample Questions (Q12-Q17):

                          NEW QUESTION # 12
                          Which security policy action will cause traffic to drop and a message to be sent to the source?

                          Answer: B

                          Explanation:
                          Security policies on SRX support several actions:
                          * Permit:Allows traffic to pass according to the rule.
                          * Deny:Silently drops the traffic without notifying the source.
                          * Reject:Drops the trafficand sends a TCP RST (for TCP) or ICMP unreachable (for UDP/other protocols)back to the source. This provides feedback to the sending host.
                          * Next-policy:Allows policy chaining to evaluate the next policy set.
                          Therefore, the action that causes traffic to drop and a message to be sent to the source isreject.
                          Reference:Juniper Networks -Security Policy Actions, Junos OS Security Fundamentals.


                          NEW QUESTION # 13
                          Referring to the exhibit, which two statements are correct? (Choose two.)

                          Answer: B,D

                          Explanation:
                          The exhibit shows From zone: Trust, To zone: Untrust, which identifies the policy as a zone-based security policy. It also shows the policy action as permit and the application as junos-https, with TCP destination port 443. Therefore, the policy permits HTTPS traffic. The displayed inactivity timeout is 1800 seconds, which is the normal value shown for predefined TCP applications such as HTTPS, so it does not prove a non-default timeout. The exhibit also shows sequence number 1, not sequence number 2, so it is not the second policy in the list. Junos security policies are configured in a from-zone to to-zone context and match traffic by criteria such as source address, destination address, and application before applying the configured action.


                          NEW QUESTION # 14
                          Which two statements are correct about the Junos OS? (Choose two.)

                          Answer: A,C

                          Explanation:
                          Junos OS is a network operating system developed by Juniper Networks to run on its routing, switching, and security devices.
                          It is supported on both physical (hardware-based) and virtual (software-based) platforms, such as vSRX and vMX.


                          NEW QUESTION # 15
                          What is the purpose of assigning logical interfaces to separate security zones in Junos OS?

                          Answer: D

                          Explanation:
                          In Junos OS, security zones are the foundation of SRX firewall policy enforcement. Logical interfaces must be assigned to zones. This enables:
                          Separation of traffic by zone boundaries.
                          Enforcement of security policies for traffic traversing between zones.
                          Control of traffic across VLANs, subnets, or functional areas (e.g., trust, untrust, DMZ).
                          Other options:
                          Zone assignment is not used to simplify interface configuration (A).
                          Routing protocols and updates (B) are handled by routing instances, not zones.
                          SNMP monitoring (D) is enabled under system or services configuration, not zones.


                          NEW QUESTION # 16
                          Referring to the exhibit, which two statements are correct about the traffic flow shown in the exhibit? (Choose two.)

                          Answer: A,D

                          Explanation:
                          The session output shows the original flow entering with source address 10.20.30.40 and destination address 203.0.113.1. The return or translated side shows the source address represented as 192.0.2.1 while the destination address remains 203.0.113.1. This indicates source NAT behavior because the original source IP address is translated to a new source IP address. There is no destination NAT in the exhibit because the destination IP address does not change. In Junos source NAT, the firewall translates the source address, commonly to an interface address or address pool, while preserving the destination address unless another NAT type is also configured. Therefore, the correct statements are that the destination remains unchanged and the source address is translated.


                          NEW QUESTION # 17
                          ......

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