Juniper Networks Security, Associate (JNCIA-SEC, JN0-232) (JNCIA-SEC) (JNCIA-SEC) — Questions 376–450

You are configuring a security policy and need to reference a group of IP addresses that frequently changes. You decide to use an address set. How do you add individual address entries into this address set?

You suspect that Network Address Translation (NAT) is misconfigured for a server pool. Which command should you use to examine active NAT translation entries?

Which statement correctly describes a Junos security zone requirement before you can apply a security policy referencing that zone?

Which TWO commands are valid operational mode commands in Junos OS for security objects? (Choose two)

You are troubleshooting a Junos security deployment where Source NAT is configured with a pool. You observe that certain internal applications fail because the external receiving server expects the source port to remain identical to the internal client's ephemeral port (Port Preservation). Which feature or configuration setting should be applied to the source NAT pool to maintain source port numbers whenever possible?

An enterprise SRX deployment uses global security policies alongside traditional zone-based policies. An administrator configures a global policy to permit HTTP traffic from any zone to any zone. However, a more restrictive zone-based policy exists between the 'HR' zone and the 'Internet' zone that explicitly denies HTTP traffic. How does the SRX Series device process these conflicting policies?

An administrator needs to ensure that packets with source routing options enabled are dropped before they enter the network through the untrusted zone. Which SCREEN option handles this?

Which THREE Junos CLI configuration commands or hierarchies are correctly associated with defining Source, Destination, or Static NAT rule-sets? (Choose three)

Which THREE parameters can be configured within a UTM policy profile on a Juniper SRX Series firewall? (Choose three.)

Which THREE security features are configured under the [edit security] hierarchy in Junos OS? (Choose three)

While troubleshooting traffic flow through an SRX Series device, you notice that packets are evaluated against security policies before a specific lookup. According to the SRX traffic flow mechanics, what is the very first action performed on an incoming packet entering an interface?

Which Junos configuration statement defines a source NAT rule-set evaluating traffic from the 'trust' zone to the 'untrust' zone?

What is the primary function of the Junos OS 'commit check' command?

While inspecting the security session table using 'show security flow session', you notice a session in the 'P' state. What does this state indicate?

When troubleshooting a Source NAT configuration where internal users cannot reach external resources, which TWO verification checks should an administrator perform? (Choose two)

An administrator wants to view active security sessions on an SRX Series device that match a specific source IP address of 192.168.10.50. Which CLI command provides this specific filtered output?

An administrator configures Content Filtering to block executable files (.exe). Users report that they can still download archives containing executable files inside them (.zip). What is the recommended way to prevent users from bypassing file extension blocks using compressed archives?

Which TWO characteristics apply to custom applications created in Junos OS? (Choose two)

An administrator wants to ensure that specific text strings (such as credit card numbers or restricted keywords) found in HTTP web traffic are blocked. Which UTM feature should be configured?

An administrator needs to quickly check the number of active sessions currently residing on an SRX Series device to troubleshoot potential memory exhaustion. Which command should be used?

You are configuring an SRX firewall with Web Filtering and need to ensure that specific URLs are always permitted regardless of their cloud-assigned category. Where should you define these permitted URLs?

An administrator implements AppID within the unified security policy framework on an SRX Series device to identify and control specific cloud-based applications. The initial policy uses a broad match for 'junos-ssl' at the transport layer, while a subsequent policy specifies 'junos-facebook' using AppID. How does the SRX policy engine evaluate and re-evaluate traffic when application identification takes multiple packets to determine?

An administrator needs to create a unified security policy that permits traffic from the trust zone to the untrust zone. Using Junos J-Web, which primary menu path should the administrator navigate to configure this security policy?

Which Junos configuration mode command is used to enter the NAT configuration hierarchy?

What happens to return traffic for an established session that was originally permitted by a security policy?

An administrator notices that traffic between two trusted security zones is being dropped unexpectedly. Which command should be used first to verify if the security policy is matching the traffic?

Which hardware architecture distinction is characteristic of enterprise-grade SRX Series gateways (such as SRX4100 or SRX4600) compared to entry-level branch SRX models?

You want to create a security zone and explicitly block all traffic between interfaces assigned to that same zone (intra-zone traffic). Which configuration statement accomplishes this?

Which command displays the current active security policies applied on an SRX Series device?

Which TWO traffic types are typically handled by functional zones in Junos OS? (Choose two)

An administrator configures Interface-based Source NAT. When checking operational status, the administrator wants to verify which interface IP is being used for translation and confirm traffic flow. Which command provides detailed flow session information including the translated interface IP?

An SRX Series device is operating in flow-based mode. An administrator needs to verify how many concurrent sessions are currently active in the security session table and check resource utilization. Which operational command should be used?

Which TWO items are valid options when specifying source addresses in a security policy match statement? (Choose two.)

You need to apply a screen profile that detects IP address spoofing where the source IP address belongs to the local subnet of the ingress interface. Which screen option addresses this?

You are configuring a secure management connection to an SRX Series device. By default, which operational management interface is isolated from the data plane routing tables and uses its own dedicated routing table?

Which command allows an administrator to view system log files directly from the Junos CLI?

An administrator wants to inspect packet flow drops specifically caused by security policies. Which command displays policy drop counters?

An administrator configures Destination NAT so that traffic to public IP 198.51.100.10 is translated to internal server 10.1.1.10. However, when the administrator checks the security logs, they notice that the source IP addresses of incoming connections are being logged as the SRX internal interface IP instead of the actual external client IP addresses. What configuration error caused this?

Which TWO actions occur during packet processing when an SRX Series device operates in packet-based (stateless) mode rather than flow-based (stateful) mode? (Choose two)

Which THREE operational commands are valid for troubleshooting NAT and flow sessions on a Junos OS SRX Series device? (Choose three)

Which TWO commands can be used to view IPsec VPN security associations on an SRX Series device? (Choose two)

An administrator is troubleshooting a packet drop issue on an SRX Series device. Which THREE operational commands can help identify where or why packets are being dropped? (Choose three)

You are configuring host-inbound traffic for a security zone and want to allow SNMP polling from a monitoring server. Which option under host-inbound-traffic system-services should you enable?

You are configuring an SRX Series firewall with Antivirus inspection. You want to ensure that if the cloud rating or antivirus update service becomes unreachable, the firewall fails open and does not disrupt user web browsing. Which CLI parameter configures the fail-open behavior?

You are troubleshooting a packet drop issue on an SRX Series device and need to trace packets for a specific source IP address. Which feature should you configure to capture detailed packet flow logs?

An administrator wants to ensure that a source NAT pool dynamically assigns ports across multiple pool IP addresses to prevent port exhaustion on a single IP. Which feature configuration on the source NAT pool accomplishes load distribution of ports across multiple pool addresses?

An SRX Series firewall is configured with an extensive UTM policy containing antivirus, web filtering, and content filtering. During peak hours, CPU utilization spikes, causing packet drops. Which feature option should the administrator adjust within the UTM policy to optimize performance without disabling security entirely?

Which THREE parameters can be defined within a Content Filtering profile on a Juniper SRX device to restrict file transfers? (Choose three.)

An administrator is configuring a new SRX Series branch device and needs to set up initial management access. Which THREE access methods are available by default or commonly configured for device administration? (Choose three)

Which TWO troubleshooting steps should an administrator take when a Source NAT pool reports port exhaustion? (Choose two)

An administrator is reviewing the packet flow logic on an SRX and wants to understand how unicast Reverse Path Forwarding (uRPF) check is performed. At what point in the packet flow is the uRPF check executed?

An administrator is configuring a Web filtering profile on a Juniper SRX Series device using local database caching. Which TWO parameters can be adjusted to optimize cache performance and behavior? (Choose two.)

An administrator configures Content Filtering to block all files with the '.scr' extension. A user renames an executable screensaver file from 'malware.scr' to 'malware.jpg' and uploads it via HTTP. What will the SRX content filtering engine do by default?

When configuring Juniper UTM Content Filtering, an administrator can define matching criteria to take specific actions (block, permit, or log). Which THREE criteria types are supported by the content filtering feature? (Choose three.)

You are auditing a Junos security device configuration. You observe multiple Static NAT rules configured across different rule sets. One of the rules uses the 'off-path' or similar specialized handling? Wait, you recall Junos Static NAT rule configuration details. Which statement correctly describes how Junos Static NAT handles bi-directional traffic flow without requiring separate source NAT rules?

An administrator configures a security zone and enables traceoptions for SCREEN option processing. Where are SCREEN traceoptions configured?

An administrator suspects that a specific security policy is not being hit because traffic is being silently dropped by an earlier policy. Which feature should be enabled under security policies to generate a log entry whenever a session is created matching that policy?

During session table analysis, you notice a session stuck in the 'SynSent' state. What does this state indicate about the traffic flow?

You are troubleshooting a scenario where an SRX device is performing Static NAT for a web server. External users experience intermittent packet drops when loading large web pages. Flow traceoptions show TCP fragmentation issues and ICMP 'Fragmentation Needed' messages being dropped by the security device. Which feature should be checked or configured to resolve this Path MTU Discovery (PMTUD) issue?

Which statement accurately describes a security zone in Junos OS?

You need to monitor dropped packets in real-time on an SRX Series device without disrupting production traffic. Which tool is best suited for identifying drop counters across security features?

An administrator needs to configure Destination NAT to map incoming traffic destined for a public IP address (203.0.113.50) on port 443 to an internal web server at private IP address (192.168.1.100) on port 8443. Which configuration hierarchy is used to define the pool for this destination NAT mapping?

An administrator needs to monitor CPU and memory utilization of the Routing Engine and Forwarding Plane on an SRX device. Which command provides this hardware health overview?

Which operational command should you use to view active stateful firewall sessions currently passing through an SRX Series device?

You are configuring Antivirus inspection on an SRX Series firewall and want to ensure that files larger than 20 MB are not scanned, in order to prevent CPU and memory exhaustion on the processing cards. Which CLI command configures this maximum file size limit for HTTP streams?

Which UTM feature should an administrator configure to prevent employees from accessing gambling and adult content websites?

Which THREE statements are true regarding Junos security policy configuration hierarchy and syntax? (Choose three.)

What is the default action taken by Junos OS when traffic does not match any configured security policy between two zones?

Which THREE protocols typically require Application Layer Gateways (ALGs) in Junos OS to function correctly across security policies? (Choose three)

You are configuring a security zone and need to apply a SCREEN option to protect against IP spoofing attacks. Under which hierarchy level must you associate the SCREEN option profile in Junos OS?

An enterprise security policy requires that any traffic traversing from the DMZ zone to the Internal zone must first be inspected by an application-identification engine before the policy action is enforced. Which feature must be enabled within the security policy to achieve this behavior?

Which TWO methods can be used to manually trigger a signature update for UTM services on an SRX Series firewall? (Choose two.)

Which TWO protocols are supported for Antivirus scanning within Juniper SRX UTM profiles? (Choose two.)

Which Junos configuration command correctly establishes a destination NAT pool pointing to an internal server IP address of 10.2.2.50?

Which statement is true regarding Junos OS predefined applications?