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The JN0-335 exam covers various topics related to security technologies, including security policies, firewall filters, VPNs, intrusion detection and prevention, and security management. The exam also focuses on Juniper Networks security products, such as Junos OS security, SRX Series Services Gateways, and Advanced Threat Prevention (ATP).
The JN0-335 certification exam is a practical assessment of the candidate's knowledge in the latest security technologies, and it covers a wide range of topics. Some of the key topics covered in the exam include Junos security policies, Junos VPNs, Junos IPSec VPNs, Junos Firewall filters, Junos Intrusion Prevention System (IPS), and Junos Unified Threat Management (UTM). The exam also covers other important topics such as security management, network security, and security protocols.
NEW QUESTION # 73
You want to use Sky ATP to protect your network; however, company policy does not allow you to send any files to the cloud.
Which Sky ATP feature should you use in this situation?
- A. Only use on-box SRX anti-malware file scanning.
- B. Only use on-premises local Sky ATP server anti-malware file scanning.
- C. Only use cloud-based Sky ATP file blacklists.
- D. Only use cloud-based Sky ATP file hash lookups.
Answer: D
NEW QUESTION # 74
You have deployed JSA and you need to view events and network activity that match rule criteria. You must view this data using a single interface.
Which JSA feature should you use in this scenario?
- A. Assets
- B. Log Collector
- C. Offense Manager
- D. Network Activity
Answer: D
NEW QUESTION # 75
Click the Exhibit button.
You are configuring an SRX chassis cluster with the node-specific hostname and management address. Referring to the exhibit, which configuration completes this requirement?
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: B
NEW QUESTION # 76
Exhibit
Using the information from the exhibit, which statement is correct?
- A. There are no issues with the cluster.
- B. Redundancy group 1 is in an ineligible state.
- C. Redundancy group 0 is in an ineligible state.
- D. Node1 is the active node for the control plane
Answer: B
NEW QUESTION # 77
After JSA receives external events and flows, which two steps occur? (Choose two.)
- A. Before the information is filtered, the information is formatted
- B. After the information is filtered, JSA responds with active measures
- C. Before formatting the data, the data is analyzed for relevant information.
- D. After formatting the data, the data is stored in an asset database.
Answer: A,C
Explanation:
Before formatting the data, the data is analyzed for relevant information. This is done to filter out any irrelevant data and to extract any useful information from the data. After the information is filtered, it is then formatted so that it can be stored in an asset database. After the data has been formatted, JSA will then respond with active measures.
NEW QUESTION # 78
Which two functions are performed by Juniper Identity Management Service (JIMS)? (Choose two.)
- A. JIMS synchronizes Active Directory authentication information between a primary and secondary JIMS server.
- B. JIMS forwards Active Directory authentication information to SRX Series client devices.
- C. JIMS collects and maintains a database of authentication information from Active Directory domains.
- D. JIMS replicates Active Directory authentication information to non-trusted Active Directory domain controllers.
Answer: A,C
NEW QUESTION # 79
Which two statements are correct about chassis clustering? (Choose two.)
- A. The node ID value ranges from 1 to 255.
- B. A system reboot is required to activate changes to the cluster.
- C. The cluster ID is used to identify each device in the chassis cluster.
- D. The node ID is used to identify each device in the chassis cluster.
Answer: A,D
Explanation:
The node ID value ranges from 1 to 255 and is used to identify each device in the chassis cluster. The cluster ID is also used to identify each device, but it is not part of the node ID configuration. A system reboot is not required to activate changes to the cluster, but it is recommended to ensure that all changes are applied properly.
NEW QUESTION # 80
Exhibit
Which two statements are correct about the configuration shown in the exhibit? (Choose two.)
- A. Replacing the session-init parameter with session-lose will log unidentified flows.
- B. The others 300 parameter means unidentified traffic flows will be dropped in 300 milliseconds.
- C. Every session that enters the SRX Series device will generate an event
- D. The session-class parameter in only used when troubleshooting.
Answer: B,C
Explanation:
The configuration shown in the exhibit is for a Juniper SRX Series firewall. The session-init parameter is used to control how the firewall processes unknown traffic flows. With the session-init parameter set to 300, any traffic flows that the firewall does not recognize will be dropped after 300 milliseconds. Additionally, every session that enters the device, whether it is known or unknown, will generate an event, which can be used for logging and troubleshooting purposes. The session-lose parameter is used to control how the firewall handles established sessions that are terminated.
NEW QUESTION # 81
Regarding static attack object groups, which two statements are true? (Choose two.)
- A. Group membership automatically changes when Juniper updates the IPS signature database.
- B. Group membership does not automatically change when Juniper updates the IPS signature database.
- C. You must manually add matching attack objects to a custom group.
- D. Matching attack objects are automatically added to a custom group.
Answer: A,B
Explanation:
static attack object groups are predefined groups of attack objects that are included in Juniper's IPS signature database. These groups do not change automatically when Juniper updates the database2.
NEW QUESTION # 82
Which two statements are correct about SSL proxy server protection? (Choose two.)
- A. You do not need to configure the servers to use the SSL proxy the function on the SRX Series device.
- B. You must import the root CA on the servers.
- C. The servers must be configured to use the SSL proxy function on the SRX Series device.
- D. You must load the server certificates on the SRX Series device.
Answer: C,D
Explanation:
You must load the server certificates on the SRX Series device and configure the servers to use the SSL proxy function on the SRX Series device. This is done to ensure that the SSL proxy is able to decrypt the traffic between the client and server. Additionally, you must import the root CA on the servers in order for the SSL proxy to properly validate the server certificate.
NEW QUESTION # 83
Which statement about security policy schedulers is correct?
- A. A policy can have multiple schedulers.
- B. When the scheduler is disabled, the policy will still be available.
- C. Multiple policies can use the same scheduler.
- D. A policy without a defined scheduler will not become active
Answer: C
Explanation:
Schedulers can be defined and reused by multiple policies, allowing for more efficient management of policy activation and deactivation. This can be particularly useful for policies that need to be activated during specific time periods, such as business hours or maintenance windows.
NEW QUESTION # 84
Exhibit
When trying to set up a server protection SSL proxy, you receive the error shown. What are two reasons for this error? (Choose two.)
- A. The SSL proxy certificate ID does not have the correct renegotiation option set.
- B. The SSL proxy certificate ID is for a forwarding proxy.
- C. The SSL proxy certificate ID is part of a blocklist.
- D. The SSL proxy certificate ID does not exist.
Answer: C,D
Explanation:
Two possible reasons for this error are that the SSL proxy certificate ID does not exist, or the SSL proxy certificate ID is part of a blocklist. If the SSL proxy certificate ID does not exist, you will need to generate a new certificate. If the SSL proxy certificate ID is part of a blocklist, you will need to contact the source of the blocklist to remove it. Additionally, you may need to check that the SSL proxy certificate ID has the correct renegotiation option set, as this is necessary for proper server protection. For more information, you can refer to the Juniper Security documentation at https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/security-ssl-proxy-configuration.html.
NEW QUESTION # 85
Which two statements are true about Juniper ATP Cloud? (Choose two.)
- A. If the cache lookup determines that a file contains malware, static analysis is not performed to verify the results.
- B. If the cache lookup determines that a file contains malware, performed to verify the results.
- C. Dynamic analysis is not always necessary to determine if a file contains malware.
- D. Dynamic analysis is always performed to determine if a file contains malware.
Answer: A,C
Explanation:
Dynamic analysis is not always necessary to determine if a file contains malware, as the ATP Cloud uses a cache lookup to quickly identify known malicious files. If the cache lookup determines that a file contains malware, static analysis is not performed to verify the results. This information can be found on the Juniper website here: https://www.juniper.net/documentation/en_US/release-independent/security/jnpr-security-srx-series/information-products/topic-collection/jnpr-security-srx-resources.html#id-jnpr-security-srx-resources-atp-cloud.
NEW QUESTION # 86
Which two protocols are supported for Sky ATP advanced anti-malware scanning? (Choose two.)
- A. MAPI
- B. POP3
- C. IMAP
- D. SMTP
Answer: C,D
NEW QUESTION # 87
In an Active/Active chassis cluster deployment, which chassis cluster component is responsible for RG0 traffic?
- A. the backup routing engine of the primary node
- B. the primary node
- C. the secondary node
- D. the master routing engine of the secondary node
Answer: B
NEW QUESTION # 88
Which two statements are correct about the cSRX? (Choose two.)
- A. The cSRX supports BGP, OSPF. and IS-IS routing services.
- B. The cSRX only supports Layer 2 "bump-in-the-wire" deployments.
- C. The cSRX supports firewall, NAT, IPS, and UTM services.
- D. The cSRX has three default zones: trust, untrust, and management
Answer: C,D
Explanation:
The two statements that are correct about the cSRX are that it supports firewall, NAT, IPS, and UTM services, and that it has three default zones: trust, untrust, and management. The cSRX is a software-defined security solution that provides comprehensive network security capabilities and is designed for virtualized environments. It supports firewall, NAT, IPS, and UTM services to protect against threats, as well as BGP, OSPF, and IS-IS routing services for routing functionality. Additionally, the cSRX has three default zones: trust, untrust, and management. The trust zone is used to define traffic that is allowed to enter the network, the untrust zone is used to define traffic that should be blocked from entering the network, and the management zone is used to manage the device itself. The cSRX does not support Layer 2 "bump-in-the-wire" deployments.
NEW QUESTION # 89
Which solution enables you to create security policies that include user and group information?
- A. ATP Appliance
- B. NETCONF
- C. Network Director
- D. JIMS
Answer: D
Explanation:
The solution that enables you to create security policies that include user and group information is JIMS (Juniper Identity Management Service). JIMS collects and maintains a large database of user, device, and group information from Active Directory domains or syslog sources, and enables SRX Series devices to rapidly identify thousands of users in a large, distributed enterprise. With JIMS, you can create security policies that include user and group information, and enforce user-based access control policies to protect network resources.
NEW QUESTION # 90
When working with network events on a Juniper Secure Analytics device, flow records come from which source?
- A. switch
- B. tap port
- C. mirror
- D. SPAN
Answer: D
NEW QUESTION # 91
After a software upgrade on an SRX5800 chassis cluster, you notice that both node0 and node1 are in the primary state, when node1 should be secondary. All control and fabric links are operating normally.
In this scenario, which step must you perform to recover the cluster?
- A. Execute the request system reboot command on node1.
- B. Execute the request system software rollback command on node0.
- C. Execute the request system software add command on node1.
- D. Execute the request system reboot command on node0.
Answer: A
NEW QUESTION # 92
You must ensure that all encrypted traffic passing through your SRX device uses strong protocols and ciphers.
Which feature should you implement to satisfy this requirement?
- A. JIMS
- B. AppSecure
- C. SSL proxy
- D. JATP
Answer: C
NEW QUESTION # 93
When a security policy is deleted, which statement is correct about the default behavior of active sessions allowed by that policy?
- A. The active sessions allowed by the policy will be reevaluated by the cached
- B. The active sessions allowed by the policy will continue
- C. The active sessions allowed by the policy will be marked as a legacy flow and will continue to be forwarded.
- D. The active sessions allowed by the policy will be dropped.
Answer: D
Explanation:
When a security policy is deleted, the active sessions allowed by the policy will be dropped. The default behavior is that all active sessions allowed by the policy will be terminated and the traffic will no longer be forwarded. There is no way to mark the active sessions as a legacy flow or to reevaluate them by the cached rules.
Reference:
According to Juniper Networks Security, Specialist (JNCIS-SEC) Study Guide, when a security policy is deleted, the active sessions allowed by that policy will be dropped. This behavior is the default behavior of the device. There is no way to mark the active sessions as a legacy flow or to re-evaluate them against cached rules. The device will terminate the active sessions and will no longer forward traffic for those sessions.
NEW QUESTION # 94
Which two statements describe JSA? (Choose two.)
- A. JSA events must be manually imported into Security Directory using an SSH connection.
- B. JSA supports events and flows from Junos devices, including third-party devices.
- C. Security Director must be used to view third-party events rom JSA flow collectors.
- D. JSA can be used as a log node with Security Director or as a standalone solution.
Answer: B,D
NEW QUESTION # 95
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 high-watermark configuration specifies the percentage of how much of the session table is left before disabling a more aggressive age- out timer.
- B. The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the high-watermark value is met.
- C. The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the low-watermark value is met.
- 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: B,D
Explanation:
The early-ageout configuration specifies the timeout value, in seconds, that will be applied once the high-watermark value is met. 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. This ensures that the session table does not become full and cause traffic issues, and also ensures that existing flows are aged out quickly when the table begins to get close to being full.
NEW QUESTION # 96
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 the domain SQL server.
- B. Connect JIMS to the RADIUS server
- C. Connect JIMS to the domain Exchange server
- D. Connect JIMS to another SRX Series device.
Answer: D
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 # 97
You are asked to create an IPS-exempt rule base to eliminate false positives from happening.
Which two configuration parameters are available to exclude traffic from being examined? (Choose two.)
- A. destination port
- B. destination IP address
- C. source port
- D. source IP address
Answer: D
Explanation:
To exclude traffic from being examined by IPS, you can use the source IP address and/or destination port as criteria for the exemption. This is achieved by configuring an IPS-exempt rule base that includes specific exemption rules based on these criteria.
NEW QUESTION # 98
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