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| Section | Weight | Objectives |
|---|---|---|
| IPsec VPNs | 25% | - VPN High Availability - Policy-Based VPNs - Route-Based VPNs - IKE Phase 1 and Phase 2 - VPN Troubleshooting |
| Security Policy | 25% | - Policy Scheduling - Policy Troubleshooting - Policy Logging - Policy Components and Structure |
| Screen Options | 15% | - Custom Screen Options - Attack Detection and Mitigation - Screen Options Configuration |
| High Availability Clustering | 20% | - Chassis Cluster Architecture - Failover Behavior - Configuration and Troubleshooting - Control and Data Plane Synchronization |
| UTM (Unified Threat Management) | 15% | - Web Filtering - Antispam - Content Filtering - Antivirus |
JN0-336スタディガイドでは、無料の試用サービスを提供しているため、購入前にいくつかのトピックやソフトウェアを開く方法について学ぶことができます。 JN0-336学習教材の試用期間中、サンプルの質問のPDFバージョンは無料でダウンロードできます。また、PCバージョンとオンラインバージョンの両方を明確に示すことができます。 購入または試用プロセスでJN0-336試験の質問に問題がある場合は、いつでもご連絡いただけます。Juniper JN0-336トレーニングガイドで専門家をリモートで支援します。
質問 # 66
Which two statements about SRX Series device chassis clusters are correct? (Choose two.)
正解：C、D
解説：
Two statements that are correct about SRX Series device chassis clusters are:
The chassis cluster data plane is connected with revenue ports: A chassis cluster is a high-availability feature that groups two identical SRX Series devices into a cluster that acts as a single device. The cluster has two types of links: control links and fabric links. The control links are used for exchanging heartbeat messages and configuration synchronization between the nodes. The fabric links are used for forwarding data traffic between the nodes. The fabric links are connected with revenue ports, which are regular Ethernet interfaces that can also be used for normal traffic when not in cluster mode.
The chassis cluster can contain a maximum of two devices: A chassis cluster can only consist of two nodes: node 0 and node 1. The nodes must be the same model, have the same hardware configuration, run the same software version, and have the same license keys. The nodes share a common configuration and act as backup for each other in case of failure.
Reference: = Configuring Chassis Clustering on SRX Series Devices, SRX Series Chassis Cluster Configuration Overview, Connecting SRX Series Firewalls to Create a Chassis Cluster
質問 # 67
Referring to the exhibit, which two statements are correct? (Choose two.)
正解：B、D
解説：
The correct answers are A and B. The exhibit shows show chassis cluster statistics. Under Control link statistics, Control link 0 has heartbeat packets sent and received, with heartbeat packet errors: 0. That is the clearest indication that the control link is operating normally. Juniper describes chassis-cluster control-plane verification as checking control-link heartbeat packets sent and received, along with heartbeat errors. If both send and receive counters are incrementing and errors are zero, the control link is functioning.
Option A is also correct because under Fabric link statistics, Child link 0 shows probes sent and probes received. Juniper uses fabric-link probe counters to verify fabric-link operation; nonzero sent and received probe counters indicate that the link is participating in fabric monitoring. Option C is not the safest conclusion from this exhibit alone. Child link 1 shows zero probes sent and received, but the output does not prove that a second fabric child link is configured and failing; it could simply be unused or not configured in this deployment. Option D is directly contradicted by the healthy heartbeat counters. Reference topics: HA Clustering, chassis cluster statistics, control-link heartbeat, fabric-link probes, cluster health verification.
質問 # 68
You are asked to configure a cluster between SRX1 and SRX2.
Which two commands must be used to accomplish this task? (Choose two.)
正解：A、B
解説：
The correct answers are B and C. To form an SRX chassis cluster, both devices must be assigned the same cluster ID and different node IDs. Juniper states that the cluster ID identifies the cluster, while the node ID identifies the individual node within that cluster. A valid two-node SRX chassis cluster uses node 0 on one chassis and node 1 on the other chassis. Juniper's example shows the operational-mode commands as set chassis cluster cluster-id 1 node 0 reboot on the first device and set chassis cluster cluster-id 1 node 1 reboot on the second device.
Option A is wrong because cluster-id 0 disables clustering rather than forming a cluster. It also shows configuration-mode prompt #, while this chassis cluster node assignment is performed from operational mode.
Option D is doubly wrong: cluster-id 0 disables clustering, and node 2 is invalid because SRX chassis cluster node IDs are limited to 0 and 1. The exam options omit the reboot keyword, but the only logically valid pair is still SRX1 as node 0 and SRX2 as node 1 under the same nonzero cluster ID. Reference topics: HA Clustering, chassis cluster ID, node ID, operational-mode cluster enablement.
質問 # 69
Which sequence does an SRX Series device use when implementing stateful session security policies using Layer 3 routes?
正解：C
解説：
The sequence that an SRX Series device uses when implementing stateful session security policies using Layer 3 routes is:
An SRX Series device will conduct a longest-match Layer 3 route table lookup before performing a security policy search: When an SRX Series device receives a packet, it first looks up the destination IP address in the routing table and finds the longest matching route to forward the packet. Then, it performs a security policy search based on the source zone, destination zone, source address, destination address, protocol, and application of the packet. If there is a matching policy that allows the packet, it creates or updates a session entry for the packet and applies any security services configured in the policy.
Reference: = [Security Policies Overview], [Security Policy Processing Overview]
質問 # 70
Which two statements are correct about a policy scheduler? (Choose two.)
正解：A、B
解説：
A policy scheduler is a feature that allows a security policy to be activated or deactivated for a specified time period. You can define schedulers for a single or recurrent time slot within which a policy is active.
Two statements that are correct about a policy scheduler are:
A policy scheduler can be defined using a daily schedule: You can configure a scheduler to be active every day for a certain time interval, such as from 8:00 AM to 5:00 PM. You can also exclude specific days from the daily schedule, such as weekends or holidays.
A policy scheduler determines the time frame that a security policy is actively evaluated: When you associate a scheduler with a security policy, the policy is only available for policy lookup during the time frame specified by the scheduler. When the scheduler is off, the policy is inactive and cannot be matched by any traffic.
Reference: = Scheduling Security Policies, Configuring Schedulers for a Daily Schedule Excluding One Day
質問 # 71
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