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JN0-637題庫|準備通過Security, Professional (JNCIP-SEC)快人一步

我們正在盡最大努力為我們的廣大考生提供所有具備較高的速度和效率的服務，以節省你的寶貴時間，VCESoft Juniper的JN0-637考試為你提供了大量的考試指南，包括考古題及答案，有些網站在互聯網為你提供的品質和跟上時代JN0-637學習材料。VCESoft是唯一的網站，為你提供優質的Juniper的JN0-637考試培訓資料，隨著VCESoft的學習資料和指導Juniper的JN0-637認證考試的幫助下，你可以第一次嘗試通過Juniper的JN0-637考試。

Juniper JN0-637 考試大綱：

主題
簡介

主題 1

Multinode High Availability (HA): In this topic, aspiring networking professionals get knowledge about multinode HA concepts. To pass the exam, candidates must learn to configure or monitor HA systems.

主題 2

Layer 2 Security: It covers Layer 2 Security concepts and requires candidates to configure or monitor related scenarios.

主題 3

Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.

主題 4

Troubleshooting Security Policies and Security Zones: This topic assesses the skills of networking professionals in troubleshooting and monitoring security policies and zones using tools like logging and tracing.

主題 5

Advanced Network Address Translation (NAT): This section evaluates networking professionals' expertise in advanced NAT functionalities and their ability to manage complex NAT scenarios.

主題 6

Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.

主題 7

Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.

>> JN0-637題庫 <<

JN0-637考古題分享 - JN0-637題庫下載

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最新的 JNCIP-SEC JN0-637 免費考試真題 (Q21-Q26):

問題 #21
Exhibit:

Referring to the exhibit, a default static route on SRX-1 sends all traffic to ISP-A. You have configured APBR to send all requests for streaming video traffic to ISP-B. However, the return traffic from the streaming video server is coming through ISP-A, and the traffic is being dropped by SRX-1. You can only make changes on SRX-1.
How do you solve this problem?

A. Configure BGP to control the return path of the streaming video traffic.
B. Enable AppTrack to keep track of the sessions and zones for the streaming video traffic.
C. Place both ISP-facing interfaces in the same zone.
D. Change the APBR routing instance from a forwarding instance to a virtual router instance.

答案：A

解題說明：
Explanation:

問題 #22
Exhibit

Which statement is true about the output shown in the exhibit?

A. The SRX Series device is configured with packet-based IPv6 forwarding options.
B. The SRX Series device is configured with default security forwarding options.
C. The SRX Series device is configured to disable IPv6 packet forwarding.
D. The SRX Series device is configured with flow-based IPv6 forwarding options.

答案：B

問題 #23
You configured a chassis cluster for high availability on an SRX Series device and enrolled this HA cluster with the Juniper ATP Cloud.
Which two statements are correct in this scenario? (Choose two.)

A. You must set up your HA cluster after enrolling your devices with Juniper ATP Cloud
B. You must use the same license key on both cluster nodes.
C. When enrolling your devices, you only need to enroll one node.
D. You must use different license keys on both cluster nodes.

答案：B,C

問題 #24
Exhibit:

You are troubleshooting a new IPsec VPN that is configured between your corporate office and the RemoteSite1 SRX Series device. The VPN is not currently establishing. The RemoteSite1 device is being assigned an IP address on its gateway interface using DHCP.
Which action will solve this problem?

A. On the RemoteSite1 device, change the IKE gateway external interface to st0.0.
B. On both devices, change the IKE policy proposal set to basic.
C. On both devices, change the IKE version to use version 2 only.
D. On both devices, change the IKE policy mode to aggressive.

答案：D

解題說明：
Aggressive mode is required when an IP address is dynamically assigned, such as through DHCP, as it allows for faster establishment with less identity verification. More details are available in Juniper IKE and IPsec Configuration Guide.
The configuration shown in the exhibit highlights that the RemoteSite1 SRX Series device is using DHCP to obtain an IP address for its external interface (ge-0/0/2). This introduces a challenge in IPsec VPN configurations when the public IP address of the remote site is not static, as is the case here.
Aggressive mode in IKE (Internet Key Exchange) is designed for situations where one or both peers have dynamically assigned IP addresses. In this scenario, aggressive mode allows the devices to exchange identifying information, such as hostnames, rather than relying on static IP addresses, which is necessary when the remote peer (RemoteSite1) has a dynamic IP from DHCP.
* Correct Action (D): Changing the IKE policy mode to aggressive will resolve the issue by allowing the two devices to establish the VPN even though one of them is using DHCP. In aggressive mode, the initiator can present its identity (hostname) during the initial handshake, enabling the VPN to be established successfully.
* Incorrect Options:
* Option A: Changing the external interface to st0.0 is incorrect because the st0 interface is used for the tunnel interface, not for the IKE negotiation.
* Option B: Changing to IKE version 2 would not resolve the dynamic IP issue directly, and IKEv1 works in this scenario.
* Option C: Changing the IKE proposal set to basic doesn't address the dynamic IP challenge in this scenario.
Juniper References:
* Juniper IKE and VPN Documentation: Provides details on when to use aggressive mode, especially when a dynamic IP address is involved.

問題 #25
You have deployed an SRX Series device at your network edge to secure Internet-bound sessions for your local hosts using source NAT. You want to ensure that your users are able to interact with applications on the Internet that require more than one TCP session for the same application session.
Which two features would satisfy this requirement? (Choose two.)

A. double NAT
B. STUN
C. address persistence
D. persistent NAT

答案：C,D

解題說明：
Address persistence ensures that the same NAT IP address is used for all sessions originating from a single source IP. Persistent NAT maintains connections for applications needing multiple sessions, like VoIP.
Additional details are available in Juniper NAT Documentation.
For applications that require multiple TCP sessions for the same application session (such as VoIP or certain online games), the SRX device needs to handle NAT properly to maintain session continuity. Here's what helps:
* Address Persistence (Answer A): Address persistence ensures that multiple sessions initiated by the same internal host are mapped to the same external IP address. This is crucial for applications that use multiple TCP sessions to maintain a stateful connection with the external server.
Command Example:
bash
set security nat source persistent-nat address-persistence
* Persistent NAT (Answer C): This feature allows the external server to initiate new connections to the internal client using the same NAT translation. It's essential for applications that require consistent NAT mappings across multiple sessions.
Command Example:
bash
set security nat source persistent-nat permit target-host-port
These features ensure that applications with multiple TCP sessions work seamlessly across NAT.

問題 #26
......

作為IT業界的頂級公司，Juniper 通過其認證確定了產品專家的標準，可以說 Juniper 在業界的聲望和 Juniper 產品的市場佔有率提升了其認證工程師的含金量，一個 Juniper 認證工程師獲取在優秀企業工作的機會比普通工程師大60％－80％，平均薪水高出30％-50％。世界500強企業中，有超過2/3的企業選擇了Juniper電子商務軟體產品作為其核心的運用。因此，獲得JN0-637 的證照，即使在強手林立的競爭環境中，你同樣能夠脫穎而出。

JN0-637考古題分享: https://www.vcesoft.com/JN0-637-pdf.html

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