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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Junos OS Security Objects | 20% | - Application objects and ALGs - Address objects and address sets - Security zones - Screens and security profiles |
| Topic 2: Network Address Translation | 15% | - NAT pools and rules - Destination NAT - Static NAT - Source NAT |
| Topic 3: Content Security | 15% | - Antivirus protection - Web filtering - Antispam filtering - Content filtering |
| Topic 4: Monitoring, Reporting and Troubleshooting | 10% | - Security policy monitoring - Log and event management - Traffic flow verification - Troubleshooting common issues |
| Topic 5: SRX Series Service Gateways | 20% | - J-Web management interface - Interfaces - Juniper vSRX Virtual Firewall - Traffic flow and security processing - General Junos architecture - Hardware components - Initial configuration |
| Topic 6: Security Policies | 20% | - Unified security policies - Zone-based policies - Policy rules and actions - Global policies |
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NEW QUESTION # 71
You are troubleshooting first path traffic not passing through an SRX Series Firewall. You have determined that the traffic is ingressing and egressing the correct interfaces using a route lookup.
In this scenario, what is the next step in troubleshooting why the device may be dropping the traffic?
Answer: A
Explanation:
After confirming correct routing:
* The next step is toverify security zone assignments (Option A). If interfaces are not correctly assigned to zones, traffic will not be evaluated against proper inter-zone or intra-zone security policies, causing drops.
* Option B:The routing protocol is irrelevant once the correct route lookup is confirmed.
* Option C:NAT is checked later in the flow, not the immediate next step after routing.
* Option D:ALG is only needed for specific applications (FTP, SIP), not general troubleshooting.
Correct Next Step:Verify that interfaces are assigned to the correct security zones.
Reference:Juniper Networks -Packet Flow and Zone-Based Policy Evaluation, Junos OS Security Fundamentals.
NEW QUESTION # 72
Which two characteristics of destination NAT and static NAT are correct? (Choose two.)
Answer: B,C
Explanation:
Destination NAT supports port forwarding, allowing specific destination ports on a public IP to be translated to different internal IP addresses and ports.
Static NAT automatically creates a matching reverse translation, making it bi-directional - traffic can flow in both directions using the same mapping without additional configuration.
NEW QUESTION # 73
Which statement is correct about exception traffic?
Answer: C
Explanation:
Exception traffic refers to traffic that must be sent from the Packet Forwarding Engine (PFE) to the Routing Engine (RE) for processing, such as routing protocol updates, management traffic, and control-plane destined packets.
Option B: Correct. Exception traffic is rate-limited on the internal connection between the PFE and RE to protect the Routing Engine from denial-of-service attacks.
Option A: Incorrect. Exception traffic is not handled only on the PFE; it requires RE involvement.
Option C: Incorrect. Rejected traffic by security policies is simply dropped, not classified as exception traffic.
Option D: Incorrect. Malformed packets are dropped, not considered exception traffic.
Correct Statement: Exception traffic is rate-limited between the PFE and RE.
NEW QUESTION # 74
Click the Exhibit button.
Which type of policy is shown in the exhibit?
Answer: C
Explanation:
From the exhibit configuration:
[edit security policies from-zone Trust to-zone Trust]
policy allow-all {
match {
source-address any;
destination-address any;
application any;
}
then {
permit;
}
}
* Thefrom-zoneandto-zoneare both set toTrust # Trust.
* This means the policy is governing trafficwithin the same zone.
* Policies within the same zone are calledintra-zone policies.
Analysis of options:
* Global policy (A):Applied universally across zones, not zone-specific. Not the case here.
* Inter-zone policy (B):Applies between twodifferentzones (e.g., Trust # Untrust). Not the case here since both zones are Trust.
* Intra-zone policy (C):Correct. Applies to traffic within the same zone (Trust # Trust).
* Default policy (D):The implicit deny-all policy that applies when no policy matches. Not shown in this exhibit.
Correct Policy Type:Intra-zone policy
Reference:Juniper Networks -Security Policy Types (Inter-zone, Intra-zone, and Global), Junos OS Security Fundamentals.
NEW QUESTION # 75
What are three requirements for creating a custom application? (Choose three.)
Answer: A,B,C
Explanation:
To create a custom application on an SRX Series Firewall, you must define:
- The port number, which specifies where the application listens or communicates.
- The application name, which uniquely identifies the custom application within the configuration.
- The protocol (such as TCP or UDP), which determines how traffic is handled and matched for that application.
NEW QUESTION # 76
......
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