合格させるJN0-335試験一発合格保証100%カバー率でリアル試験問題 [2024年05月]
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JN0-335認定試験では、セキュリティポリシー、侵入検知と予防、セキュリティプロトコル、VPNなどを含むセキュリティテクノロジーと概念に関する候補者の理解をテストします。これは、ネットワークセキュリティを包括的に理解する必要がある厳格な試験であり、Juniper Networksセキュリティデバイスの構成、監視、トラブルシューティングの候補者のスキルを検証するように設計されています。
質問 # 47
Which two statements are correct about JSA data collection? (Choose two.)
- A. The Flow Collector parses logs.
- B. The Flow Collector can use statistical sampling
- C. The Event Collector parses logs
- D. The Event Collector collects information using BGP FlowSpec.
正解：B、C
解説：
Explanation
Juniper Secure Analytics (JSA) is a security information and event management (SIEM) system that consolidates, analyzes, and manages surveillance data from network devices, endpoints, and applications. JSA uses two types of data collectors: Event Collector and Flow Collector1 The Event Collector collects and parses logs from various log sources, such as firewalls, routers, servers, and intrusion detection or prevention systems. The Event Collector normalizes the log data into a common format and sends it to the JSA console for further analysis and correlation. The Event Collector supports different protocols for log collection, such as syslog, SNMP, JDBC, and SDEE12 The Flow Collector collects and processes network traffic data from various flow sources, such as Flowlog files, NetFlow, J-Flow, sFlow, and Packeteer. The Flow Collector enriches the flow data with additional information, such as application identification, geolocation, and threat intelligence. The Flow Collector sends the flow data to the JSA console for further analysis and correlation. The Flow Collector can use statistical sampling to reduce the amount of flow data that is collected and processed, which can improve the performance and scalability of the system12 The Event Collector does not collect information using BGP FlowSpec, which is a protocol that allows the distribution of traffic flow specification rules among BGP peers. BGP FlowSpec is not a supported flow source for JSA3 The Flow Collector does not parse logs, which are textual records of network activity generated by log sources. The Flow Collector only handles flow data, which are binary records of network traffic generated by flow sources12 References: 1: Data Collection | JSA 7.5.0 | Juniper Networks 2: Data Collection - TechLibrary - Juniper Networks 3: Understanding BGP FlowSpec - TechLibrary - Juniper Networks
質問 # 48
You are preparing a proposal for a new customer who has submitted the following requirements for a vSRX deployment:
-- globally distributed,
-- rapid provisioning,
-- scale based on demand,
-- and low CapEx.
Which solution satisfies these requirements?
- A. Network Director
- B. Juniper ATP Cloud
- C. VMWare ESXi
- D. AWS
正解：D
解説：
The solution that satisfies the requirements for a vSRX deployment is AWS. AWS (Amazon Web Services) is a cloud computing platform that provides on-demand services such as infrastructure, platform, software, and database as a service. AWS is globally distributed, meaning that it has data centers in multiple regions around the world. AWS also allows rapid provisioning, meaning that you can launch vSRX instances in minutes using preconfigured Amazon Machine Images (AMIs) or custom templates. AWS also enables scaling based on demand, meaning that you can adjust the number and size of vSRX instances according to your network traffic and performance needs. AWS also has low CapEx (capital expenditure), meaning that you only pay for what you use and do not need to invest in hardware or maintenance costs.
質問 # 49
What are two benefits of using a vSRX in a software-defined network? (Choose two.)
- A. granular security
- B. scalability
- C. no required software license
- D. infinite number of interfaces
正解：A、B
解説：
Scalability: vSRX instances can be easily added or removed as the needs of the network change, making it a flexible option for scaling in a software-defined network.
Granular Security: vSRX allows for granular security policies to be enforced at the virtual interface level, making it an effective solution for securing traffic in a software-defined network.
The two benefits of using a vSRX in a software-defined network are scalability and granular security. Scalability allows you to increase the number of resources available to meet the demands of network traffic, while granular security provides a level of control and flexibility to your network security that is not possible with a traditional firewall. With a vSRX, you can create multiple levels of security policies, rules, and access control lists to ensure that only authorized traffic can enter and exit your network. Additionally, you would not require a software license to use the vSRX, making it an economical solution for those looking for increased security and flexibility.
質問 # 50
Which method does the loT Security feature use to identify traffic sourced from IoT devices?
- A. The SRX Series device identifies loT devices using their MAC address.
- B. The SRX Series device streams metadata from the loT device transit traffic to Juniper ATP Cloud
- C. The SRX Series device streams transit traffic received from the IoT device to Juniper ATP Cloud.
- D. The SRX Series device identifies loT devices from metadata extracted from their transit traffic.
正解：B
解説：
Explanation
https://www.juniper.net/documentation/us/en/software/junos/security-iot/topics/topic-map/security-iot-overview.
SRX does not identify the iot device. It streams the metadata to Juniper ATP cloud and Junipe ATP cloud identifies the device.
質問 # 51
Exhibit
Referring to the exhibit, which two statements describe the type of proxy used? (Choose two.)
- A. forward proxy
- B. client protection proxy
- C. server protection proxy
- D. reverse proxy
正解：B、C
解説：
B) Client protection proxy: This statement is correct because a forward proxy can also be called a client protection proxy since it protects the user's identity and computer information from the web server4.
C) Server protection proxy: This statement is correct because a reverse proxy can also be called a server protection proxy since it protects the web server's identity and location from the user4.
質問 # 52
Which two statements are correct about server-protection SSP proxy? (Choose two.)
- A. The server-protection SSL proxy is also known as SSL reverse proxy.
- B. The server-protection SSL proxy acts as the server from the client's perspective.
- C. The server-protection SSL proxy intercepts the server certificate.
- D. The server-protection SSL proxy forwards the server certificate after modification.
正解：A、B
質問 # 53
After performing a software upgrade on an SRX5800 chassis cluster, you notice that node1 is in the primary state and node0 is in the backup state. Your network standards dictate that node0 should be in the primary state.
In this scenario, which command should be used to comply with the network standards?
- A. request chassis cluster failover redundancy-group 254 mode 0
- B. request chassis cluster failover redundancy-group 0 node 0
- C. request chassis cluster failover redundancy-group 0 node 1
- D. request chassis cluster failover redundancy-group 254 node 1
正解：B
解説：
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-chassis-cluster- redundancy-group-failover.html
質問 # 54
Which two session parameters would be used to manage space on the session table? (Choose two.)
- A. low watermark
- B. TCP MSS
- C. high watermark
- D. TCP RST
正解：A、C
解説：
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-flow-based- session-for-srx-series-devices.html
質問 # 55
A client has attempted communication with a known command-and-control server and it has reached the configured threat level threshold.
Which feed will the clients IP address be automatically added to in this situation?
- A. the infected host cloud feed
- B. the command-and-control cloud feed
- C. the allowlist and blocklist feed
- D. the custom cloud feed
正解：A
解説：
Infected hosts are internal hosts that have been compromised by malware and are communicating with external C&C servers. Juniper ATP Cloud provides infected host feeds that list internal IP addresses or subnets of infected hosts along with a threat level. Once the Juniper ATP Cloud global threshold for an infected host is met, that host is added to the infected host feed and assigned a threat level of 10 by the cloud. You can also configure your SRX Series device to block traffic from these IP addresses using security policies.
質問 # 56
Exhibit
You are asked to ensure that servers running the Ubuntu OS will not be able to update automatically by blocking their access at the SRX firewall. You have configured a unified security policy named Blockuburrtu, but it is not blocking the updates to the OS.
Referring to the exhibit which statement will block the Ubuntu OS updates?
- A. Move the Blockubuntu policy after the Allowweb policy.
- B. Change the default policy to permit-all.
- C. Configure the Allowweb policy to have a dynamic application of any.
- D. Configure the Blockubuntu policy with the junos-https application parameter.
正解：C
解説：
Explanation
References:
[Juniper Security, Professional (JNCIP-SEC) Reference Materials] 1
[Juniper Security, Specialist (JNCIS-SEC) Reference Materials] 2
[How to configure a custom signature to block specific URLs using application firewall (AppFW)] 3
質問 # 57
Exhibit
You just finished setting up your command-and-control (C&C) category with Juniper ATP Cloud. You notice that all of the feeds have zero objects in them.
Which statement is correct in this scenario?
- A. Use the commit full command to start the download.
- B. The security intelligence policy must be configured; on a unified security policy
- C. No action is required, the feeds take a few minutes to download.
- D. Set the maximum C&C entries within the Juniper ATP Cloud GUI.
正解：C
解説：
According to the Juniper Networks JNCIS-SEC Study Guide, when you set up your command-and-control (C&C) category with Juniper ATP Cloud, all of the feeds will initially have zero objects in them. This is normal, as it can take a few minutes for the feeds to download. No action is required in this scenario and you will notice the feeds start to populate with objects once the download is complete.
質問 # 58
Which two are negotiated during Phase 2 of an IPsec VPN tunnel establishment? (Choose two.)
- A. security protocol
- B. VPN monitor interval
- C. proxy IDs
- D. UDP port number
正解：A、C
質問 # 59
Which two statements are correct when considering IPS rule base evaluation? (Choose two.)
- A. IPS applies the least severe action to traffic matching multiple rules.
- B. IPS evaluates rules concurrently.
- C. IPS evaluates rules sequentially
- D. IPS applies the most severe action to traffic matching multiple rules,
正解：C、D
解説：
Explanation
References: IDP Policy Rules and IDP Rule Bases, rulebase-ips
質問 # 60
Which two statements are true about the fab interface in a chassis cluster? (Choose two.)
- A. The Junos OS supports only one fab link.
- B. The fab link supports traditional interface features.
- C. The physical interface for the fab link must be specified in the configuration.
- D. The fab link does not support fragmentation.
正解：A、C
解説：
Explanation
The fab interface is a physical connection between two nodes of a chassis cluster that is used to forward traffic and synchronize session state between the nodes. The fab interface can be any pair of Ethernet interfaces on the same LAN, but they must be the same media type. You need to specify the physical interfaces to be used for the fab link in the configuration, as the system does not determine them automatically. The Junos OS supports only one fab link per node, and it does not support traditional interface features such as IP addressing, routing protocols, or firewall filters. The fab interface is assigned an internally derived IP address by the system for packet transmission. Thefab link also does not support fragmentation, so the MTU size of the fab interface must be equal to or greater than the MTU size of the largest interface in the cluster. References:
Chassis Cluster Fabric Interfaces
HA Chassis cluster, difference between Swfab and Fab
質問 # 61
Which two statements are true about the vSRX? (Choose two.)
- A. AWS is not supported as an laaS solution.
- B. OpenStack is not supported as a cloud orchestration solution.
- C. AWS is supported as an laaS solution.
- D. OpenStack is supported as a cloud orchestration solution.
正解：C、D
解説：
vSRX is a virtual firewall that runs as a software instance on a hypervisor or in a cloud environment. It provides the same features and functionality as the SRX Series physical firewalls, such as advanced security, secure SD-WAN, and robust networking. Two statements that are true about vSRX are:
AWS is supported as an IaaS solution: AWS (Amazon Web Services) is a cloud computing platform that provides on-demand services such as infrastructure, platform, software, and database as a service. vSRX is available on the AWS Marketplace and can be deployed and scaled in minutes to provide firewall protection for workloads running in AWS Virtual Private Clouds (VPCs), private clouds, or on-premises resources.
OpenStack is supported as a cloud orchestration solution: OpenStack is an open source software platform that enables users to create and manage cloud infrastructure and services. vSRX can be integrated with OpenStack using Heat templates or Contrail Service Orchestration to automate the provisioning and configuration of vSRX instances in an OpenStack environment.
質問 # 62
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Juniper JN0-335（Security、Specialist（JNCIS-SEC））認定試験は、セキュリティ技術に関する知識とスキルを検証する専門レベルの認定プログラムです。この認定はセキュリティ業界で非常に尊敬され、セキュリティのキャリアを進めたい個人を対象としています。認定試験に合格するには、セキュリティ技術やプロトコルに関する深い理解が必要であり、セキュリティ技術の熟練度を示すことができ、より良い求人機会とキャリア成長につながることがあります。
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