May 02, 2024 Updated JN0-335 Dumps Questions For Juniper Exam
Best Value Available Preparation Guide for JN0-335 Exam
The JN0-335 certification exam is ideal for security professionals who want to demonstrate their expertise in Juniper Networks security technologies. JN0-335 exam covers a wide range of topics, including security policies, security zones, virtual private networks (VPNs), intrusion detection and prevention, and more. JN0-335 exam also covers practical skills, such as configuring and troubleshooting Juniper Networks security products.
NEW QUESTION # 32
You want to show tabular data for operational mode commands.
In this scenario, which logging parameter will provide this function?
- A. session-init
- B. permit
- C. count
- D. session-close
Answer: C
Explanation:
The logging parameter that will provide the function of showing tabular data for operational mode commands is count. The count parameter displays the number of packets and bytes that match a security policy and the action taken by the policy. The count parameter can be used with the show security policies hit-count command to display the policy counters in a tabular format. The count parameter can also be used with the show security flow session command to display the session counters in a tabular format. Reference := show security policies hit-count, show security flow session
NEW QUESTION # 33
Exhibit
Referring to the exhibit, which two statements are true? (Choose two.)
- A. The IP address of Nancy's client PC is 172.25.11.
- B. Nancy logged in to the juniper.net Active Directory domain.
- C. The IP address of the authenticating domain controller is 172.25.11.140.
- D. Nancy is a member of the Active Directory sales group.
Answer: B,C
Explanation:
Explanation
Based on the exhibit, Nancy logged in to the juniper.net Active Directory domain, as shown by the domain name in the user identity information. The IP address of the authenticating domain controller is 172.25.11.140, as shown by the domain controller address in the user identity information. The IP address of Nancy's client PC is not 172.25.11, but 172.25.11.11, as shown by the source IP address in the user identity information. Nancy is not a member of the Active Directory sales group, but of the marketing group, as shown by the group name in the user identity information34 References:
active-directory-access | Junos OS | Juniper Networks
13. Juniper SRX Active Directory Integration - RAYKA
Configure Juniper Identity Management Service to Obtain User Identity ...
Create an Active Directory Profile | SD Cloud | Juniper Networks
NEW QUESTION # 34
You must configure JSA to accept events from an unsupported third-party log source.
In this scenario, what should you do?
- A. Configure JSA to silently discard unsupported log types.
- B. Separate event collection and flow collection on separate collectors.
- C. Configure a universal device service module.
- D. Configure an RPM for a third-party device service module.
Answer: C
NEW QUESTION # 35
Which two devices would you use for DDoS protection with Policy Enforcer? (Choose two.)
- A. vQFX
- B. QFX
- C. MX
- D. vMX
Answer: B,C
Explanation:
Explanation
Policy Enforcer is a Junos Space Security Director component that allows updated security policies to be deployed across Juniper SRX Series firewalls, MX Series 5G Universal Routing Platforms, EX Series Ethernet Switches, QFX Series Switches, and third-party network devices1. Policy Enforcer can leverage the DDoS protection feature of Juniper devices to detect and mitigate DDoS attacks on the network. The DDoS protection feature is based on two main components: the classification of host-bound control plane traffic and a hierarchical set of individual- and aggregate-level policers that cap the volume of control plane traffic that each protocol type is able to send to the Routing Engine (RE) for processing2. The DDoS protection feature is supported on MX Series routers and QFX Series switches, among other devices3. Therefore, the correct devices to use for DDoS protection with Policy Enforcer are MX and QFX.
The other options are not correct for the following reasons:
vQFX is a virtual switch that emulates the QFX Series switches for testing and development purposes. It does not support the DDoS protection feature4.
vMX is a virtual router that emulates the MX Series routers for testing and development purposes. It does not support the DDoS protection feature.
References: Policy Enforcer DDoS Protection Case Study Protection against distributed denial of service (DDoS) attacks vQFX10000 Overview [vMX Overview]
NEW QUESTION # 36
Which two statements are true about mixing traditional and unified security policies? (Choose two.)
- A. When a packet matches a traditional security policy, the evaluation process terminates
- B. Traditional security policies must come before unified security policies
- C. When a packet matches a unified security policy, the evaluation process terminates
- D. Unified security policies must come before traditional security policies
Answer: A,C
NEW QUESTION # 37
You are asked to reduce the load that the JIMS server places on your Which action should you take in this situation?
- A. Connect JIMS to another SRX Series device.
- B. Connect JIMS to the domain SQL server.
- C. Connect JIMS to the RADIUS server
- D. Connect JIMS to the domain Exchange server
Answer: A
Explanation:
JIMS server is a Juniper Identity Management Service that collects user identity information from different authentication sources for SRX Series devices12. It can connect to SRX Series devices and CSO platform in your network1.
JIMS server is a service that protects corporate resources by authenticating and restricting user access based on roles2. It connects to SRX Series devices and CSO platform to provide identity information for firewall policies1. To reduce the load that JIMS server places on your network, you should connect JIMS to another SRX Series device1. This way, you can distribute the identity information among multiple SRX Series devices and reduce network traffic.
NEW QUESTION # 38
Your network uses a single JSA host and you want to implement a cluster. In this scenario, which two statements are correct? (Choose two.)
- A. The primary and secondary hosts must be configured with the same storage devices.
- B. The software versions on both primary and secondary hosts
- C. The cluster virtual IP will need an unused IP address assigned.
- D. The secondary host can backup multiple JSA primary hosts.
Answer: B,C
Explanation:
According to the Juniper Networks JNCIP-SEC Study Guide, when setting up a cluster with a single JSA host, both the primary and secondary hosts must have the same software version installed. Additionally, an unused IP address must be assigned to the cluster virtual IP. The primary and secondary hosts do not need to be configured with the same storage devices, and the secondary host cannot be used to backup multiple JSA primary hosts.
NEW QUESTION # 39
You are implementing an SRX Series device at a branch office that has low bandwidth and also uses a cloud-based VoIP solution with an outbound policy that permits all traffic.
Which service would you implement at your edge device to prioritize VoIP traffic in this scenario?
- A. AppQoS
- B. AppQoE
- C. AppFW
- D. SIP ALG
Answer: A
Explanation:
Explanation
AppQoS is a service that allows you to prioritize and manage the quality of service (QoS) for different types of applications on SRX Series devices. AppQoS uses application signatures to identify and classify the traffic, and then applies QoS policies to assign bandwidth, priority, and scheduling parameters to the traffic. AppQoS can help you optimize the performance of critical applications, such as VoIP, and ensure that they get the required bandwidth and latency in a congested network12. In this scenario, you can use AppQoS to prioritize the VoIP traffic over other traffic and guarantee its QoS on the SRX Series device at the branch office. References:
Understanding Application Quality of Service
Configuring Application Quality of Service
NEW QUESTION # 40
You have implemented a vSRX in your VMware environment. You want to implement a second vSRX Series device and enable chassis clustering.
Which two statements are correct in this scenario about the control-link settings? (Choose two.)
- A. In the vSwitch security settings, accept promiscuous mode.
- B. In the vSwitch properties settings, set the VLAN ID to None.
- C. In the vSwitch security settings, reject MAC address changes.
- D. In the vSwitch security settings, reject forged transmits.
Answer: A,D
Explanation:
Explanation
A: In the vSwitch security settings, accept promiscuous mode. This is a true statement. Promiscuous mode allows the vSwitch to forward all frames to the vSRX control interface, regardless of the destination MAC address1. This is necessary for the control link to function properly and exchange heartbeat messages between the cluster nodes2.
C: In the vSwitch security settings, reject forged transmits. This is also a true statement. Forged transmits are frames that have a source MAC address that is different from the one that is assigned to the vNIC by the host operating system1. Rejecting forged transmits prevents spoofing attacks and ensures that the control link traffic is authentic2.
B: In the vSwitch properties settings, set the VLAN ID to None. This is a false statement. The VLAN ID for the vSwitch can be any value as long as it matches the VLAN ID for the vSRX control interface1. The VLAN ID is used to tag the control link traffic and separate it from other traffic on the same vSwitch2.
D: In the vSwitch security settings, reject MAC address changes. This is also a false statement. MAC address changes are allowed for the vSRX control interface, as the vSRX uses the MAC address of the control link to identify the cluster nodes1. Rejecting MAC address changes would prevent the cluster formation and synchronization2.
References:
1: vSRX Virtual Firewall Cluster Staging and Provisioning for VMware
2: Configuring Chassis Clustering on SRX Series Devices
NEW QUESTION # 41
Which two statements are true about Juniper ATP Cloud? (Choose two.)
- A. Juniper ATP Cloud uses multiple antivirus software packages to analyze files.
- B. Juniper ATP Cloud only uses one antivirus software package to analyze files.
- C. Juniper ATP Cloud uses antivirus software packages to protect against zero-day threats.
- D. Juniper ATP Cloud does not use antivirus software packages to protect against zero-day threats.
Answer: A,D
Explanation:
Explanation
Juniper ATP Cloud is a cloud-based threat detection service that protects all hosts in your network against evolving security threats. Juniper ATP Cloud performs the following tasks:
It extracts potentially malicious objects and files from the traffic and sends them to the cloud for analysis.
It uses multiple antivirus software packages to analyze files and identify known malicious files quickly.
It also uses other techniques, such as machine learning, sandboxing, and behavioral analysis, to identify new malware and add it to the known list of malware.
It correlates between newly identified malware and known command and control (C&C) sites to aid analysis.
It blocks known malicious file downloads and outbound C&C traffic.
It provides features such as DNS, Encrypted Traffic Insights (ETI) and IoT security if you have ATP Cloud premium license.
Based on this information, we can infer the following:
Option B is correct because Juniper ATP Cloud uses multiple antivirus software packages to analyze files, as well as other techniques, to provide robust coverage against sophisticated, evasive threats.
Option D is correct because Juniper ATP Cloud does not use antivirus software packages to protect against zero-day threats, which are unknown and undetected by traditional antivirus solutions. Instead, it uses other techniques, such as machine learning, sandboxing, and behavioral analysis, to identify and mitigate zero-day threats.
Option A is incorrect because Juniper ATP Cloud does not only use one antivirus software package to analyze files, but multiple ones, as well as other techniques.
Option C is incorrect because Juniper ATP Cloud does not use antivirus software packages to protect against zero-day threats, but other techniques.
References: Juniper Security, Specialist (JNCIS-SEC) Reference Materials and Juniper Security, Professional (JNCIP-SEC) Reference Materials
https://blogs.juniper.net/en-us/security/juniper-strengthens-connected-security-portfolio-with-new-risk-based-acc
https://blogs.juniper.net/en-us/security/juniper-strengthens-connected-security-portfolio-with-new-risk-based-acc
NEW QUESTION # 42
Which two statements are correct about a policy scheduler? (Choose two.)
- A. A policy scheduler can be dynamically activated based on traffic flow volumes.
- B. A policy scheduler determines the time frame that a security policy is actively evaluated.
- C. A policy scheduler can be defined using a daily schedule.
- D. A policy scheduler can only be applied when using the policy-rematch feature.
Answer: B,C
Explanation:
Explanation
A policy scheduler is a feature that allows you to specify when a security policy is in effect. You can configure a policy scheduler to start at a specific date and time or start on a recurrent basis, such as daily, weekly, or monthly. A policy scheduler determines the time frame that a security policy is actively evaluated and enforced by the SRX Series device2 A policy scheduler can only be applied to security policies that have the action of permit or reject. A policy scheduler cannot be applied to security policies that have the action of deny. A policy scheduler is not related to the policy-rematch feature, which is used to reevaluate existing sessions when a security policy is modified. A policy scheduler cannot be dynamically activated based on traffic flow volumes2 References:
1: Juniper Security Specialist (JNCIS-SEC) (JN0-334) | Study Guide 3
2: Junos OS Security Configuration Guide | Configuring Policy Schedulers 4
NEW QUESTION # 43
What are two elements of a custom IDP/IPS attack object? (Choose two.)
- A. the attack signature
- B. the exempt rulebase
- C. the destination zone
- D. the severity of the attack
Answer: A,D
NEW QUESTION # 44
You are asked to ensure that if the session table on your SRX Series device gets close to exhausting its resources, that you enforce a more aggress.ve age-out of existing flows.
In this scenario, which two statements are correct? (Choose two.)
- A. The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the high-watermark value is met.
- B. The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the low-watermark value is met.
- C. The high-watermark configuration specifies the percentage of how much of the session table is left before disabling a more aggressive age- out timer.
- D. The high-watermark configuration specifies the percentage of how much of the session table can be allocated before applying a more aggressive age-out timer
Answer: A,D
Explanation:
Explanation
The session table is a limited resource for SRX Series devices. If the session table is full, any new sessions will be rejected by the device. The aggressive session-aging mechanism accelerates the session timeout process when the number of sessions in the session table exceeds the specified high-watermark threshold. This mechanism minimizes the likelihood that the SRX Series devices will reject new sessions when the session table becomes full1. To perform aggressive session aging, you need to configure the following parameters1:
early-ageout -During aggressive session aging, the sessions with an age-out time lower than the early-ageout threshold are marked as invalid. The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the high-watermark value is met. For example, if you set the early-ageout to 30 seconds, any session that has been inactive for at least 30 seconds will be aged out when the high-watermark is reached2.
high-watermark -The device performs aggressive session aging when the number of sessions in the session table exceeds the high-watermark threshold. The high-watermark configuration specifies the percentage of how much of the session table can be allocated before applying a more aggressive age-out timer. For example, if you set the high-watermark to 90 percent, the device will start aging out sessions more aggressively when the session table reaches 90 percent of its capacity3.
Therefore, the correct statements are B and D.
References: Understanding Aggressive Session Aging high-watermark early-ageout
NEW QUESTION # 45
You enable chassis clustering on two devices and assign a cluster ID and a node ID to each device. In this scenario, what is the correct order for rebooting the devices?
- A. Reboot only the primary device since the secondary will assign itself the correct cluster and node ID.
- B. Reboot the primary device, then the secondary device.
- C. Reboot the secondary device, then the primary device.
- D. Reboot only the secondary device since the primary will assign itself the correct cluster and node ID.
Answer: B
Explanation:
when enabling chassis clustering on two devices, the correct order for rebooting them is to reboot the primary device first, followed by the secondary device. It is not possible for either device to assign itself the correct cluster and node ID, so both devices must be rebooted to ensure the proper configuration is applied.
NEW QUESTION # 46
Which two statements about SRX Series device chassis clusters are correct? (Choose two.)
- A. The chassis cluster data plane is connected with SPC ports.
- B. The chassis cluster can contain a maximum of three devices.
- C. The chassis cluster can contain a maximum of two devices.
- D. The chassis cluster data plane is connected with revenue ports.
Answer: C,D
Explanation:
Explanation
SRX Series device chassis clusters are created by physically connecting two identical cluster-supported SRX Series devices using a pair of the same type of Ethernet connections. The connection is made for both a control link and a fabric (data) link between the two devices. The chassis cluster data plane is connected with revenue ports, which are the ports that carry user traffic. The chassis cluster can contain a maximum of two devices, as only two nodes can form a cluster. The chassis cluster data plane is not connected with SPC ports, which are the ports that provide services processing. The chassis cluster cannot contain more than two devices, as this would violate the cluster design. References: Chassis Cluster Overview, Connecting SRX Series Firewalls to Create a Chassis Cluster
NEW QUESTION # 47
When a security policy is modified, which statement is correct about the default behavior for active sessions allowed by that policy?
- A. The active sessions allowed by the policy will continue unchanged.
- B. Only policy changes that involve modification of the application will cause the active sessions affected by the change to be dropped.
- C. The active sessions allowed by the policy will be dropped.
- D. Only policy changes that involve modification of the action field will cause the active sessions affected by the change to be dropped.
Answer: A
Explanation:
When you modify a security policy on the SRX Series device, the default behavior is that the existing sessions that match the policy will continue unchanged. This means that the policy modification will only affect new sessions that are initiated after the change. However, you can change this behavior by using the clear-policy-session command, which will clear all the sessions that match the modified policy and force them to re-evaluate the new policy. Reference := JNCIS-SEC Certification, Open Learning - Security, Specialist (JNCIS-SEC), Security Policies (Advanced)
NEW QUESTION # 48
You need to implement Junos Screen options to protect traffic coming through the ge-0/0/0 and ge-0/0/1 interfaces which are located in the trust and DMZ zones, respectively. Where would you enable the Junos Screen options?
- A. in a security policy
- B. on the ge-0/0/0 and ge-0/0/1 interfaces
- C. in the trust and DMZ zone settings
- D. in the global security zone settings
Answer: C
NEW QUESTION # 49
You need to deploy an SRX Series device in your virtual environment.
In this scenario, what are two benefits of using a CSRX? (Choose two.)
- A. The cSRX supports Layer 2 and Layer 3 deployments.
- B. The cSRX supports firewall, NAT, IPS, and UTM services.
- C. The cSRX default configuration contains three default zones: trust, untrust, and management.
- D. The cSRX has low memory requirements.
Answer: A,B
Explanation:
Explanation
The cSRX is a containerized version of the SRX Series device that runs on Linux platforms. The cSRX has the following benefits for deploying in a virtual environment:
The cSRX supports Layer 2 and Layer 3 deployments, which means it can operate as a transparent or a routed firewall. The cSRX can also support multiple routing instances and virtual routers2 The cSRX supports firewall, NAT, IPS, and UTM services, which means it can provide comprehensive security features for protecting the virtual network. The cSRX can also support application identification, user firewall, and VPN services2 The cSRX default configuration does not contain three default zones: trust, untrust, and management. The cSRX default configuration contains only one zone: junos-host. The cSRX does not have low memory requirements. The cSRX requires at least 2 GB of memory and 2 CPU cores to run2 References:
1: Juniper Security Specialist (JNCIS-SEC) (JN0-334) | Study Guide 3
2: Junos OS Security Configuration Guide | cSRX Overview 4
NEW QUESTION # 50
Which two statements are true about the vSRX? (Choose two.)
- A. AWS is supported as an laaS solution.
- B. AWS is not supported as an laaS solution.
- C. OpenStack is not supported as a cloud orchestration solution.
- D. OpenStack is supported as a cloud orchestration solution.
Answer: A,D
Explanation:
Explanation
vSRX is a virtual firewall that runs on various cloud platforms, including AWS and OpenStack. AWS is a cloud service provider that offers infrastructure as a service (IaaS) solutions, such as compute, storage, and networking resources. OpenStack is an open source software platform that enables cloud orchestration, which is the automated management of cloud resources and services. vSRX supports both AWS and OpenStack as deployment options, and integrates with their features and tools. For example, vSRX can use cloud-init to automate the initialization of vSRX instances in AWS and OpenStack environments. vSRX can also leverage the security groups and elastic IP addresses of AWS, and the network and security services of OpenStack. References:
vSRX Deployment Guide for AWS
vSRX Virtual Firewall
Use Cloud-Init in an OpenStack Environment to Automate the Initialization of vSRX Instances
NEW QUESTION # 51
On an SRX Series firewall, what are two ways that Encrypted Traffic Insights assess the threat of the traffic? (Choose two.)
- A. It validates the certificates used.
- B. It reviews the timing and frequency of the connections.
- C. It decrypts the data to validate the hash.
- D. It decrypts the file in a sandbox.
Answer: A,B
Explanation:
Encrypted Traffic Insights is a feature that enables the SRX Series firewall and the ATP Cloud to detect malicious threats that are hidden in encrypted traffic without decrypting the traffic. It does so by analyzing the metadata and connection patterns of the encrypted sessions. Two ways that Encrypted Traffic Insights assess the threat of the traffic are:
It validates the certificates used: The SRX Series firewall extracts the server certificate from the encrypted session and compares its signature with a blocklist of known malicious certificates provided by ATP Cloud. If there is a match, the session is blocked and reported as a threat.
It reviews the timing and frequency of the connections: The SRX Series firewall sends the connection details, such as source and destination IP addresses, ports, protocols, and timestamps, to ATP Cloud. ATP Cloud applies behavior analysis and machine learning algorithms to detect anomalous or suspicious patterns of connections, such as high frequency, low duration, or unusual timing.
NEW QUESTION # 52
Referring to the exhibit, you want to deploy Sky ATP with Policy Enforcer to block infected hosts at the access layer.
To complete this task, where should you configure the default gateway for the User-1 device?
- A. the interface on SRX-1 that connects to QFX-2
- B. the irb interface on QFX-1
- C. the interface of QFX-1 that connects to User-1
- D. the irb interface on QFX-2
Answer: B
NEW QUESTION # 53
Which three statements are correct about fabric interfaces on the SRX5800? (Choose three.)
- A. Fabric interfaces must have a user-assigned IP address.
- B. Fabric interfaces must be same interface type.
- C. Fabric interfaces must be user-assigned interfaces.
- D. Fabric interfaces must be on the same Layer 2 segment.
- E. Fabric interfaces must be system-assigned interfaces.
Answer: B,D,E
NEW QUESTION # 54
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Juniper JN0-335 certification exam is a specialist-level certification exam that is part of the Juniper Networks Certification Program. This program is designed to provide IT professionals with the necessary knowledge and skills to design, implement, and manage Juniper security solutions. The JN0-335 exam requires candidates to have a thorough understanding of security technologies, such as firewalls, VPNs, and intrusion prevention systems.
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