Juniper Networks Security, Associate (JNCIA-SEC, JN0-232) (JNCIA-SEC) (JNCIA-SEC) — Questions 301–375

Which TWO tools or commands are used to check the operational status and active associations of IPsec VPNs? (Choose two)

An administrator is troubleshooting high CPU utilization on the Routing Engine of an enterprise SRX Series device. They suspect a runaway routing protocol or management process. Which command displays the top processes consuming CPU resources on the Routing Engine?

What is the primary purpose of a UTM policy profile on a Juniper SRX firewall?

Which command is used to display active security sessions currently tracked by the Junos OS flow module?

You are troubleshooting a complex Junos NAT implementation involving both Source NAT and Destination NAT across multiple security virtual routers. A packet is received that matches both a Source NAT rule and a Destination NAT rule in different rule-sets. In what order does the Junos flow engine process these NAT types during packet ingestion?

You are troubleshooting a Junos security device where a Destination NAT rule is configured. External users reach the virtual IP, but traffic fails to establish a TCP 3-way handshake. Using 'monitor traffic', you observe SYN packets arriving at the external interface and leaving the internal interface towards the server. However, no SYN-ACK packets return from the server. What is the most likely networking or routing reason on the internal network causing this?

An administrator needs to create a security policy on a Junos device that permits traffic from the trust zone to the untrust zone. Which configuration hierarchy is used to define this security policy?

Which TWO statements are true regarding Interface-based Source NAT in Junos OS? (Choose two)

An administrator configures Source NAT with a pool. Users can access external websites, but traceroute packets originating from internal hosts towards external destinations fail to display intermediate router hops. What is the most common reason traceroute fails through certain Junos Source NAT / PAT implementations?

You are troubleshooting a traffic flow issue on an SRX Series gateway and need to trace packets traversing the SPUs to determine where traffic is being dropped. Which CLI command initiates real-time packet tracing on the SRX forwarding plane?

An administrator is deploying a vSRX Virtual Firewall. Which THREE hypervisor platforms are officially supported for vSRX deployments by Juniper Networks? (Choose three)

Which TWO actions occur when a packet matches a security policy configured with the 'reject' action? (Choose two.)

Which TWO actions should an administrator take when configuring security policy traceoptions to effectively debug a suspected policy drop issue? (Choose two)

Which THREE configuration elements are required to successfully implement Integrated Web Filtering on a Juniper SRX Series firewall? (Choose three.)

An administrator needs to ensure that Antispam inspection is applied only to inbound mail destined for the corporate mail server. How should this be achieved in the security policy configuration?

Which TWO statements describe characteristics of security zones on Juniper SRX Series devices? (Choose two)

Which TWO of the following are valid types of Network Address Translation supported on Juniper Networks SRX Series devices running Junos OS? (Choose two)

An administrator is reviewing policy shadowing and rule optimization on an SRX Series device. Which THREE conditions must be met for one security policy to completely shadow (make redundant) a subsequent security policy?

When reviewing security policies, you see the term 'junos-any' used in the application match field. What does this represent?

A company requires that employees be blocked from accessing social networking sites during work hours, but allowed to access them during a specific lunch window. How should the administrator achieve this using Juniper Web filtering features?

An administrator configures a security zone and enables the 'tcp-rst' SCREEN option. What is the primary purpose of this SCREEN option?

Which command is used to save the active configuration changes permanently on an SRX Series gateway running Junos OS?

An administrator configures a Source NAT rule with an address pool. When verifying traffic, the administrator notices that multiple distinct internal subnets are matching the rule. How can the administrator restrict the source NAT rule to apply only to a specific subnet while leaving other subnets un-translated?

You suspect that session timeouts are too aggressive for a specific long-lived TCP application. Which command allows you to check current TCP timeout configurations on an SRX?

Which configuration statement correctly defines a source NAT pool named 'corp-pool' with an address range from 203.0.113.10 to 203.0.113.20 on Junos OS?

Which TWO features or options are associated with Junos OS SCREEN option profiles? (Choose two)

Which interface type on an SRX Series device is typically used to connect internal local area networks (LANs) to the security gateway?

Which THREE statements are true regarding global security policies in Junos OS? (Choose three.)

When configuring an Antispam profile, you want to specify that emails detected as spam should be tagged in the subject line rather than completely dropped. Which parameter within the antispam profile configuration enables this?

An administrator is configuring syslog output on an SRX Series device to troubleshoot security events. Which TWO actions must be taken to ensure logs are successfully sent to an external syslog server? (Choose two)

Which THREE types of attacks are mitigated by Junos OS SCREEN options? (Choose three)

You are troubleshooting a Junos security device where a Static NAT rule is configured for an internal server. Internal users access the server using its public IP address. You notice that traffic from internal clients hitting the static NAT IP creates asymmetric routing or fails because source translation is absent. How does Junos handle internal clients accessing a server via its static NAT public IP without explicit hairpin NAT?

Which TWO methods can be used to access the Junos CLI on an SRX Series device during initial setup or routine administration? (Choose two)

Which TWO features or settings are associated with troubleshooting or optimizing Port Address Translation (PAT) in Junos OS? (Choose two)

An administrator is deploying a new SRX Series device and needs to ensure that transit traffic passing between different security zones is inspected by the security engine. Which architecture component on the SRX Series handles stateful session tracking and security policy enforcement?

Which hardware component on high-end SRX Series devices provides dedicated processing for security services such as firewall policies, IPsec VPNs, and NAT?

You are troubleshooting a scenario where an SRX Series device is performing Destination NAT. You notice that sessions are being created in the flow table, but the translation is failing because the packet hits a rule in a different rule-set. How does Junos OS evaluate multiple Destination NAT rule-sets?

An administrator notices that the SRX firewall is failing to inspect encrypted HTTPS traffic for web filtering and antivirus violations. The security policy currently permits traffic from the trust zone to the untrust zone with a UTM profile attached. What must be configured to enable content security inspection on this HTTPS traffic?

An administrator configures traceoptions for security policies. Where can they find the resulting log output file?

An administrator is configuring a Unified Threat Management (UTM) policy on a Juniper SRX Series device to protect internal users from downloading malicious software. Which UTM feature should the administrator enable and configure to scan HTTP and FTP traffic for viruses?

Which Junos OS feature inspects packet headers for layer 3 and layer 4 denial-of-service (DoS) attacks such as SYN floods, IP spoofing, and LAND attacks?

When configuring NAT rule sets on a Junos OS device, in what order are different types of NAT evaluated?

When reviewing security policies, you notice multiple rules defined within the same source-zone and destination-zone context. Which Junos feature allows you to group these related policies together for easier management and readability?

Which TWO commands help verify security zone configurations and interface memberships? (Choose two)

By default, what action does an SRX Series device take when traffic does not match any configured security policy between two zones?

Which command is used to view real-time statistics regarding UTM Antivirus blocks and scans on an SRX Series firewall?

Which TWO factors must be considered when designing security policies that incorporate AppID (Application Identification)? (Choose two.)

You are troubleshooting a performance issue on an SRX device performing heavy NAT operations. You suspect that NAT translation table entries are consuming excessive system resources. Which command displays overall system-wide NAT translation summary information and resource allocation?

An administrator needs to block all users from downloading executable files (.exe and .msi) via HTTP, regardless of the website category. Which UTM feature should be utilized to achieve this efficiently?

A network engineer has deployed a new SRX300 Series Services Gateway at a branch office and needs to verify that the interfaces are physically up and operating at the correct speed and duplex settings. Which operational command should the engineer execute to view this interface state information?

An administrator configures NAT and security policies on an SRX Series gateway. Traffic is hitting the security policy, but translation is failing. They run 'show security nat source pool' to check pool utilization. What does an exhausted NAT pool cause in the SRX packet flow?

When configuring an Integrated Web Filtering profile, an administrator wants to block access to social networking sites during working hours. Which profile parameter is used to specify this category-based block?

An administrator notices that security policy hit counts are not incrementing for a specific policy even though traffic is passing through the device. What is the most likely cause of this behavior?

You have configured a new security policy on an SRX device, but traffic matching the policy is still being dropped. You check the security logs and see 'POLICY_VIOLATION' or session drop messages. Which command enables real-time packet tracing for security flow debugging?

What is the primary role of the Routing Engine (RE) in an enterprise SRX Series gateway?

How can an administrator check the active Junos OS version running on an SRX Series device?

When configuring Antivirus inspection on an SRX device using Kaspersky, you want to ensure that password-protected archive files (such as .zip or .rar files containing passwords) are blocked because they cannot be scanned for malware. Which profile parameter achieves this?

When configuring the unified security policy framework on Junos OS, which TWO elements are key components that extend traditional layer 4 firewall policies into layer 7 application and threat visibility?

Which THREE parameters can be configured within a custom application definition in Junos OS? (Choose three)

You are configuring security policies on an SRX Series device that uses destination NAT. In what order does Junos evaluate security policies relative to destination NAT processing?

Which Junos feature allows you to bundle multiple security policies into a single logical container for easier management and application across multiple zones?

Which Junos operational command allows an administrator to view translation statistics and hit counts for NAT rule sets?

Which TWO logs or log categories can an administrator examine to troubleshoot security policy actions such as permits and denies? (Choose two)

Which command is used to verify the configuration of address books in Junos OS?

Which command is used to display the current system uptime and date on an SRX Series device?

Which Junos configuration statement defines the translation action within a Destination NAT rule?

An administrator configures a Source NAT rule-set with 'from zone trust' and 'to zone untrust'. Internal users can successfully browse the internet. Later, a new interface and zone (DMZ) are added, and hosts in the DMZ also need Source NAT to the untrust zone using the same pool. What is the most efficient way to achieve this?

An administrator implements Web filtering on an SRX Series firewall using SurfControl as the cloud provider. Users report that access to a newly launched educational website is unexpectedly blocked. Where should the administrator check first to determine why the URL was blocked and override the categorization if necessary?

An administrator configures Source NAT on an SRX device. During verification, traffic from the internal zone to the external zone is failing. They run 'show security flow session' and see sessions in 'N/A' state with zero return traffic. Which mechanism in the SRX packet flow is responsible for translating the source IP address?

An administrator configures a security policy with source address set 'Internal-Subnets', destination address 'Any', and application 'junos-ftp'. During testing, active FTP data connections (PASV mode) are failing. What security policy consideration is most relevant to fixing this issue?

Which THREE settings can be configured under a security zone in Junos OS? (Choose three)

An administrator configures Destination NAT to forward incoming traffic on port 80 to an internal server. After committing, the administrator notices that ping tests to the destination NAT public IP address fail. What is the standard behavior of Destination NAT regarding ICMP ping requests?

Which Junos configuration hierarchy is used to define a UTM Web Filtering profile?

What is the primary function of the Antispam feature on Juniper SRX Series firewalls?

You are troubleshooting a connectivity issue where traffic between two custom zones is being blocked despite a policy permitting it. Upon reviewing the security policies using the CLI command 'show security policies', you notice that an earlier policy with broader match criteria is catching the traffic and applying a deny action. What security policy concept is causing this behavior?