View Full Juniper JN0-336 Exam Dumps and Practice Test Dumps

 

Question 181.

Which feature can control access to the SRX management plane?

1. Host-inbound traffic
2. Application tracking
3. Route redistribution
4. NAT translation

Correct Answer: 1

Explanation:

Host-inbound traffic controls which services and protocols are allowed to reach the SRX device itself through an interface or security zone. This is important because traffic destined for the firewall’s own control or management plane is handled differently from transit traffic passing through the device. Administrators can explicitly permit only required services, reducing unnecessary exposure. Application tracking provides visibility, route redistribution exchanges routing information, and NAT translation changes packet addresses. Host-inbound controls therefore provide a dedicated mechanism for restricting management and control-plane access while still allowing necessary administrative or network services.

Question 182.

Which Junos feature can compare candidate and active configurations?

1. Commit script
2. Configuration rollback
3. Configuration comparison
4. Session analysis

Correct Answer: 2

Explanation:

Configuration comparison allows administrators to examine differences between configuration versions or between the candidate and active configurations. This is useful before committing changes because it helps identify exactly which statements have been added, modified, or removed. Reviewing configuration differences can reduce accidental changes and simplify troubleshooting after administrative modifications. Commit scripts provide automated validation or configuration processing, session analysis examines traffic state, and configuration rollback restores an earlier configuration version. Configuration comparison is therefore a practical administrative tool for reviewing pending changes before they become active on an SRX device.

Question 183.

Which feature can restore an earlier Junos configuration?

1. Session clearing
2. Policy logging
3. Configuration rollback
4. Route monitoring

Correct Answer: 3

Explanation:

Configuration rollback allows an administrator to return the Junos configuration to an earlier saved version. This capability is valuable when a recent change causes unexpected behavior or when an administrator needs to undo a configuration modification quickly. Junos maintains configuration history that can be referenced when performing rollback operations. Session clearing removes active traffic state, policy logging records security events, and route monitoring observes routing conditions. Rollback therefore operates on configuration state rather than live sessions or routing information. Administrators can use it as an important recovery mechanism during configuration troubleshooting.

Question 184.

What can validate configuration syntax before activation?

1. Session lookup
2. Route policy
3. Interface diagnostics
4. Commit check

Correct Answer: 4

Explanation:

A commit check validates the candidate configuration before it is activated. It can identify syntax errors and certain configuration inconsistencies that would prevent a successful commit. This provides administrators with an opportunity to correct problems before changing the active configuration. Session lookup examines current connections, route policies influence routing decisions, and interface diagnostics provide operational information about interfaces. Commit checking is therefore a fundamental Junos administrative practice when preparing configuration changes. It is particularly valuable before applying complex security, VPN, routing, or interface modifications on production SRX devices.

Question 185.

Which feature can automatically execute actions after system events?

1. Event automation
2. Address translation
3. Application mapping
4. Packet inspection

Correct Answer: 2

Explanation:

Event automation can execute predefined actions when specified system events occur. This allows administrators to automate certain operational responses instead of manually reacting to every event. Event-driven behavior can be useful for logging, diagnostics, notifications, or other supported actions depending on the configured Junos functionality. Address translation changes source or destination addressing, application mapping associates traffic with applications, and packet inspection examines network traffic. Event automation therefore focuses on operational response and workflow rather than packet forwarding or application classification. Carefully defined event conditions help prevent unintended automated actions.

Question 186.

Which mechanism can synchronize configuration across cluster nodes?

1. RPM probe
2. Chassis cluster
3. Web filter
4. Address pool

Correct Answer: 3

Explanation:

A chassis cluster provides high availability by coordinating multiple SRX nodes as a redundant system. Cluster mechanisms can maintain relevant configuration and operational state across participating nodes so that services can continue when a node experiences a failure. RPM probes monitor reachability, web filters classify web destinations, and address pools provide translation resources. Chassis clustering therefore forms the foundation for SRX redundancy and coordinated node operation. Proper cluster configuration is essential because communication failures, inconsistent settings, or node-state problems can affect failover behavior and the continuity of protected network services.

Question 187.

Which link carries cluster synchronization traffic?

1. Fabric link
2. Management VLAN
3. Internet uplink
4. Server trunk

Correct Answer: 4

Explanation:

The fabric link is a dedicated cluster communication path used for synchronization between SRX chassis-cluster nodes. It supports the exchange of information needed for coordinated high-availability operation, including relevant session or state information depending on the configured services. A management VLAN provides administrative connectivity, an Internet uplink carries external network traffic, and a server trunk connects network segments or servers. The fabric connection therefore has a specialized role within the cluster architecture. Verifying its health is important when investigating state synchronization problems or unexpected behavior between redundant SRX nodes.

Question 188.

Which cluster setting determines node preference?

1. Interface address
2. Redundancy-group priority
3. DNS preference
4. Service timeout

Correct Answer: 1

Explanation:

Redundancy-group priority helps determine which chassis-cluster node has preference for an active role under normal operating conditions. The redundancy group manages high-availability behavior for associated interfaces and services, while priority contributes to node selection. Interface addresses identify network endpoints, DNS preference affects name-resolution behavior, and service timeouts control connection timing. Administrators can use redundancy-group priorities to establish predictable active-node behavior and design failover expectations. When troubleshooting cluster role changes, priority should be considered together with node health, control communication, monitoring status, and other high-availability settings.

Question 189.

What can suppress unnecessary cluster failovers?

1. Application grouping
2. Route filtering
3. Hold-down behavior
4. Certificate validation

Correct Answer: 2

Explanation:

Hold-down behavior can help prevent repeated failover transitions when a cluster condition changes rapidly or temporarily. Without suitable stabilization, a device experiencing intermittent failures could repeatedly switch roles, causing unnecessary disruption. A hold-down mechanism provides time for the system to evaluate whether the condition is persistent before another transition occurs, depending on the configured feature. Application grouping organizes application definitions, route filtering controls routing information, and certificate validation checks digital credentials. Failover stabilization is therefore important for maintaining predictable high-availability behavior during transient link or node conditions.

Question 190.

Which diagnostic command can inspect route selection?

1. Session monitor
2. Packet capture
3. Route lookup
4. Certificate status

Correct Answer: 3

Explanation:

A route lookup examines the routing information used to determine how traffic toward a destination will be forwarded. This is useful when troubleshooting situations where packets appear to be permitted by security policy but are not reaching the expected next hop or tunnel interface. Route lookup can reveal the selected route and associated forwarding information. Session monitoring examines active connections, packet capture provides detailed traffic evidence, and certificate status displays certificate-related information. Routing diagnostics are therefore essential for separating forwarding problems from policy, NAT, or application-processing issues.

Question 191.

Which object can represent a subnet in an address book?

1. Network address object
2. Session timeout
3. IKE proposal
4. Screen threshold

Correct Answer: 4

Explanation:

A network address object can represent a subnet within an SRX address book and can then be reused in security policies or other supported configuration. Using named address objects improves readability and reduces repetitive manual entry of network prefixes. Session timeouts control connection duration, IKE proposals define VPN negotiation parameters, and screen thresholds determine limits for certain traffic-protection mechanisms. Address objects therefore provide a structured way to represent network resources in security configuration. Administrators can create reusable definitions for internal networks, remote networks, server segments, and other policy-relevant address ranges.

Question 192.

Which service can identify HTTP traffic by application behavior?

1. Route protocol
2. Application identification
3. NAT policy
4. Cluster monitor

Correct Answer: 1

Explanation:

Application identification can recognize HTTP traffic using application characteristics rather than relying exclusively on a destination port. Modern applications can use unexpected or dynamic ports, making port-only classification less reliable. Application identification analyzes supported traffic characteristics and associates sessions with recognized applications. Route protocols exchange network reachability information, NAT policies perform address translation, and cluster monitors support high-availability observation. Application identification therefore provides a more context-aware method of classifying network traffic and can support security policies that make decisions based on applications rather than only transport-layer details.

Question 193.

Which setting can exempt trusted destinations from inspection?

1. Route preference
2. Session counter
3. Inspection exception
4. Address translation

Correct Answer: 2

Explanation:

An inspection exception can specify traffic or destinations that should bypass a particular security inspection function when the deployment requires such treatment. Exceptions may be appropriate for trusted services, incompatible applications, privacy-sensitive destinations, or systems where interception would cause operational problems. Route preference controls path selection, session counters provide traffic statistics, and address translation changes network addressing. Inspection exceptions should be configured carefully because excluded traffic may not receive the same security visibility or protection as inspected traffic. Administrators should document the reason for each exception and periodically review whether it remains necessary.

Question 194.

Which mechanism can log denied security-policy traffic?

1. Route advertisement
2. Policy logging
3. Certificate enrollment
4. Interface aggregation

Correct Answer: 3

Explanation:

Policy logging records information about traffic processed by a security policy when logging is enabled for the relevant policy action or event. For denied traffic, logs can provide useful information such as source and destination details, applications, services, and policy context, depending on the configured logging behavior. Route advertisements communicate routing information, certificate enrollment manages digital credentials, and interface aggregation combines physical links. Policy logging is therefore valuable for security auditing and troubleshooting because it helps administrators understand which traffic was rejected and why the corresponding policy was involved.

Question 195.

Which feature can send security events to a centralized collector?

1. Remote syslog
2. NAT mapping
3. Session timeout
4. Application object

Correct Answer: 4

Explanation:

Remote syslog allows security and system messages to be forwarded from an SRX device to an external logging server or centralized collector. Centralized logging helps administrators aggregate events from multiple network devices and makes it easier to search, correlate, retain, and analyze security information. NAT mappings maintain address-translation state, session timeouts manage connection duration, and application objects define reusable application information. Remote syslog is therefore an important component of centralized monitoring and security operations, particularly when organizations need long-term event retention or integration with external analysis platforms.

Question 196.

Which mechanism can inspect DNS requests for suspicious domains?

1. Security policy
2. Traffic shaping
3. DNS security
4. Route monitoring

Correct Answer: 1

Explanation:

DNS security examines DNS-related activity and can use security intelligence or configured rules to identify suspicious or malicious domain requests. Since applications commonly perform DNS resolution before connecting to remote services, DNS inspection can provide an early opportunity to detect potentially harmful destinations. Security policies control permitted traffic flows, traffic shaping manages bandwidth, and route monitoring evaluates reachability. DNS security therefore adds a specialized protection layer around domain-resolution activity. Depending on configuration, matching requests may be logged, blocked, redirected, or handled according to the available security functionality and organizational requirements.

Question 197.

Which feature can enforce antivirus scanning decisions?

1. Route instance
2. Antivirus profile
3. VPN gateway
4. Service object

Correct Answer: 2

Explanation:

An antivirus profile defines scanning-related behavior for supported traffic and content. It can specify how the SRX should handle files or objects identified by the antivirus inspection engine according to the configured security requirements. The profile can then be associated with applicable security services or policies where supported. A routing instance separates routing contexts, a VPN gateway defines peer-related VPN configuration, and a service object describes transport characteristics. Antivirus profiles therefore provide the configuration framework for applying malware-scanning behavior and determining how detected threats should be handled.

Question 198.

Which feature can classify websites into security categories?

1. URL category database
2. Session table
3. IKE gateway
4. Route policy

Correct Answer: 3

Explanation:

A URL category database provides classification information that can associate websites or domains with categories used by web-filtering policies. This classification allows administrators to apply different access controls according to the type or reputation of requested web content. Session tables maintain active connection state, IKE gateways define VPN peer configuration, and route policies influence forwarding behavior. URL categorization therefore supports content-based web access control. Administrators can use category information together with configured filtering actions to permit, restrict, or log access according to organizational browsing requirements.

Question 199.

Which mechanism can identify known malicious IP indicators?

1. Address book
2. Application set
3. Security intelligence
4. Traffic shaper

Correct Answer: 4

Explanation:

Security intelligence can use known threat indicators, including malicious IP addresses, to identify potentially harmful communication. When traffic matches an available indicator, the SRX security configuration can apply an appropriate action depending on the configured policy and security service. Address books organize reusable network objects, application sets group application definitions, and traffic shapers regulate transmission rates. Security intelligence therefore adds threat-context information to traffic evaluation. Its usefulness depends on the accuracy and freshness of the indicator data, as outdated or incomplete intelligence may reduce detection coverage.

Question 200.

Which mechanism can monitor encrypted tunnel availability?

1. VPN monitoring
2. Address grouping
3. Application mapping
4. Web categorization

Correct Answer: 1

Explanation:

VPN monitoring provides operational visibility into the status and availability of configured VPN connectivity. Monitoring mechanisms can help administrators determine whether a tunnel or its associated remote endpoint remains reachable and operational, depending on the specific Junos configuration. This information is useful when troubleshooting intermittent VPN connectivity or verifying that protected paths remain available. Address grouping organizes network objects, application mapping associates sessions with applications, and web categorization classifies destinations. VPN monitoring therefore focuses specifically on the operational condition of encrypted connectivity and can complement other tunnel-diagnostic mechanisms.