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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: High Availability Clustering | 20% | - Configuration and Troubleshooting - Chassis Cluster Architecture - Control and Data Plane Synchronization - Failover Behavior |
| Topic 2: Security Policy | 25% | - Policy Logging - Policy Components and Structure - Policy Scheduling - Policy Troubleshooting |
| Topic 3: UTM (Unified Threat Management) | 15% | - Antivirus - Antispam - Web Filtering - Content Filtering |
| Topic 4: IPsec VPNs | 25% | - IKE Phase 1 and Phase 2 - VPN High Availability - Route-Based VPNs - VPN Troubleshooting - Policy-Based VPNs |
| Topic 5: Screen Options | 15% | - Custom Screen Options - Attack Detection and Mitigation - Screen Options Configuration |
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質問 # 68
Which protocol does the SRX Series Firewall use to communicate with a Windows domain controller?
正解：B
解説：
The correct answer is B. LDAP. In Juniper identity-aware firewall deployments, the SRX Series Firewall integrates with Microsoft Active Directory so that user and group information can be used in security policy decisions. Juniper's Active Directory identity-source documentation states that the LDAP protocol helps identify the groups to which users belong, and that username and group information are queried from the LDAP service running on the Active Directory domain controller. It also explains that the device uses Lightweight Directory Access Protocol to obtain user and group information required for Active Directory identity-source operation.
Option A, SSH, is wrong because SSH is a device management protocol, not the protocol SRX uses to query Active Directory user/group membership. Option C, DNS, is wrong because DNS can resolve names but does not provide Active Directory group mapping to the firewall. Option D, NETCONF, is wrong because NETCONF is used for network device configuration and automation, not Windows domain-controller identity queries. In a complete identity-aware firewall workflow, SRX may also use WMI/DCOM-related mechanisms to read Windows event-log data, but among the available protocol choices, LDAP is the correct answer because it is the directory protocol used to query user and group information. Reference topics: Active Directory identity source, LDAP, domain controller communication, user and group mapping.
質問 # 69
What are three policy types available in Junos Space Security Director? (Choose three.)
正解：B、C、D
解説：
The correct answers are A, C, and E. Junos Space Security Director supports policy hierarchy and policy management at device, group, and global/all-devices levels. A device policy is created for a specific device and is used when a unique firewall policy must be pushed to one SRX Series Firewall. A group policy is shared across multiple devices and is used when the same policy configuration must be applied consistently to a set of managed firewalls. Juniper's Security Director documentation explicitly describes device policy and group policy behavior, including the fact that device-specific policies are evaluated within the broader policy- ordering model.
The third correct policy type is global, often represented in Security Director workflows as all-devices/global policy behavior. Juniper Security Director product material describes granular control over global, group, and device-level firewall policies, which maps directly to the options in this question. Option B, local, is not the Security Director policy type being tested; local configuration may exist on an SRX, but it is not one of the Security Director policy hierarchy types listed here. Option D, universal, is also not a Junos Space Security Director policy type. Reference topics: Security Director, global policy, group policy, device policy, firewall policy hierarchy, centralized SRX policy management.
質問 # 70
You want to configure the SSL proxy feature on your SRX Series Firewall.
Which two actions must you perform to accomplish this task? (Choose two.)
正解：C、D
解説：
The correct answers are B and D. On SRX Series Firewalls, SSL proxy is configured by creating an SSL proxy profile and then applying that profile to the relevant security policy as an application service. Juniper's SSL proxy configuration overview lists the required workflow: configure certificates and CA profile material, configure the SSL proxy profile, create a security policy matching the traffic to be inspected, and apply the SSL proxy profile to that security policy. Juniper further states that SSL proxy is enabled as an application service within a security policy, where the policy match criteria identify the traffic and the SSL proxy profile is applied to that traffic.
Option A is wrong because enabling the SSL ALG is not the required control point for SSL proxy. SSL proxy is a decryption/inspection service applied through policy, not simply an ALG toggle. Option C is wrong because creating a separate SSL application object is not the mandatory SSL proxy configuration action. The policy can match the desired traffic and then invoke SSL proxy through then permit application-services ssl- proxy profile-name. Juniper's example explicitly shows applying the SSL proxy profile under the security policy action.
Reference topics: SSL Proxy, SSL forward proxy, SSL proxy profiles, security policy application-services, encrypted traffic inspection.
質問 # 71
You need to secure communications from a mobile command center which uses a 5G mobile ISP behind CGNAT to an SRX Series Firewall at headquarters.
Which two actions should be performed on the SRX Series Firewall in this scenario? (Choose two.)
正解：A、D
解説：
The correct answers are A and D. A mobile command center using a 5G ISP behind CGNAT is operating behind dynamic address translation. For IPsec to work reliably through NAT, the SRX must support NAT Traversal, which encapsulates IKE and ESP traffic in UDP/4500 after NAT is detected. Juniper states that NAT-T is used when NAT devices exist in the datapath and that NAT keepalives are required because NAT devices age out UDP translations. Juniper's Security Director VPN workflow also specifically says to enable NAT-T when the dynamic endpoint is behind a NAT device.
DPD is also required because mobile and carrier-grade NAT connections can disappear, roam, or become stale without a clean tunnel teardown. Juniper defines Dead Peer Detection as the method used by IPsec peers to verify whether the remote peer is still present and responsive by sending encrypted IKE notification payloads and waiting for acknowledgements. Option B is not the best answer because IKEv1 aggressive mode is weaker and does not provide identity protection; Juniper also notes that aggressive mode applies only to IKEv1. Option C is invalid because IKEv2 aggressive mode does not exist. Reference topics: IPsec VPN, NAT-T, CGNAT, dynamic endpoints, DPD, IKE peer availability.
質問 # 72
You are asked to create an IPS-exempt rule base to eliminate false positives from happening.
Which two configuration parameters are available to exclude traffic from being examined? (Choose two.)
正解：A、C
解説：
You can specify the source IP address or a range of IP addresses to exclude certain traffic originating from specific network segments or devices. This is useful for whitelisting traffic from known, secure sources that are otherwise triggering false positives in the IPS system.
Similarly, you can specify the destination IP address or a range of addresses to exclude traffic destined for particular network hosts or segments. This helps in reducing false positives for traffic directed towards trusted internal resources or specific external services that are known to be safe.
質問 # 73
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