JN0-664최고품질인증시험덤프데모최신인기인증시험덤프샘플문제

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Juniper JN0-664 시험요강:

주제	소개
주제 1	OSPF: In this topic, Juniper networking professionals delve into the core concepts and operations of OSPFv2 and OSPFv3. The focus is on configuring and monitoring single-area and multi-area OSPF scenarios. This ensures proficiency in managing link-state routing protocols and enhancing network efficiency. Understanding OSPF prepares the audience to address challenges in service provider environments effectively.
주제 2	Class of Service (CoS): This topic emphasizes the principles of Junos OS Class of Service (CoS). Juniper networking professionals learn to configure and monitor CoS for efficient traffic prioritization. This ensures service quality by managing bandwidth, latency, and packet loss, a critical aspect of service provider network optimization.
주제 3	IP Multicast: Aspiring Juniper networking professionals explore the concepts and operations of IP multicast, including IGMP, PIM dense mode, and PIM sparse mode (including SSM). The topic focuses on configuration and monitoring techniques, enabling efficient delivery of multicast traffic across the network while optimizing resource utilization.
주제 4	IS-IS: This topic provides an in-depth exploration of the Intermediate System to Intermediate System (IS-IS) protocol, focusing on its operation and concepts. Juniper networking professionals learn how to configure and monitor single-area and multi-area IS-IS, equipping them with skills essential for maintaining scalable and robust routing infrastructures in large networks.
주제 5	Layer 2 VPNs: Juniper networking professionals gain comprehensive knowledge of Layer 2 VPNs, including BGP Layer 2 VPNs, LDP Layer 2 circuits, VPLS, and EVPN. This topic focuses on configuring, monitoring, and troubleshooting Layer 2 VPNs, ensuring expertise in providing efficient and seamless layer 2 connectivity across service provider networks.
주제 6	Layer 3 VPNs: This topic covers the concepts and operation of Layer 3 VPNs, including their configuration and monitoring. Juniper networking professionals also explore Junos OS support for carrier-of-carriers and inter-provider VPN models. These skills are crucial for managing secure, scalable, and interconnected multi-tenant network environments.

주니퍼 JN0-664 인증 시험은 서비스 제공 업체 네트워킹 기술을 전문으로하는 개인의 지식과 기술을 테스트하도록 설계된 전문 수준 인증입니다. 광범위한 주제를 다루고 업계에서 매우 존경받는 포괄적 인 시험입니다. 이 인증을 통해 현장에서의 전문 지식을 보여주고 새로운 경력 기회를 열 수 있습니다.

>> JN0-664최고품질 인증시험덤프데모 <<

최신 JNCIP-SP JN0-664 무료샘플문제 (Q94-Q99):

질문 # 94
You are using a Layer 3 VPN to connect two customer sites. The VPN routes for the customer networks appear as hidden in the bgp.l3vpn.0 routing table on the PE routers.
What is causing this problem?

A. The routes use overlapping IP addresses.
B. There is a routing loop in the service provider backbone.
C. Route targets are not configured.
D. There is not an established MPLS LSP between the two PE routers.

정답：D

질문 # 95
Exhibit

Referring to the exhibit, CE-1 is providing NAT services for the hosts at Site 1 and you must provide Internet access for those hosts Which two statements are correct in this scenario? (Choose two.)

A. You must configure a static route in the main routing instance for the 10 1 2.0/24 prefix that uses the VPN-A.inet.0 table as the next hop
B. You must configure a RIB group on PE-1 to leak a default route from the inet.0 table to the VPN-A.inet.0 table.
C. You must configure a RIB group on PE-1 to leak the 10 1 2.0/24 prefix from the VPN-A.inet.0 table to the inet.0 table.
D. You must configure a static route in the main routing instance for the 203.0.113.1/32 prefix that uses the VPN-A.inet.0 table as the next hop.

정답：B,D

질문 # 96

Click the Exhibit button.
Referring to the exhibit, which two statements are correct about BGP routes on R3 that are advertised to R1?
(Choose two.)

A. By default, the next-hop value for these routes is changed by R3 before being sent to R1.
B. By default, the BGP local-preference value that is assigned on R3 is advertised to R1.
C. By default, the next-hop value for these routes is not changed by R3 before being sent to R1.
D. By default, all BGP attributes values must be removed before advertising the routes to R1.

정답：B,C

설명：
In the exhibit, we see an internal BGP (iBGP) setup within AS 65512, and an external BGP (eBGP) connection between R3 and ISP-A (AS 65511). The questions focus on the behavior of BGP routes advertised from R3 to R1 within the same AS.
1. **BGP Next-Hop Attribute (Option A and D)**:
- In iBGP, the next-hop attribute is **not** changed when a route is advertised to another iBGP peer. This means that when R3 advertises a route to R1, it retains the original next-hop value as learned from the eBGP peer (ISP-A).
- Therefore, Option D is correct: "By default, the next-hop value for these routes is not changed by R3 before being sent to R1."
2. **BGP Attributes (Option B and C)**:
- BGP attributes such as local preference, AS-path, and others are crucial for BGP route selection. The local preference attribute is used within an AS to indicate the preferred path for outbound traffic.
- When R3 advertises BGP routes to R1, it includes the local preference value assigned to those routes. This value is not removed and is propagated within the iBGP mesh.
- Therefore, Option C is correct: "By default, the BGP local-preference value that is assigned on R3 is advertised to R1."
**References**:
- Juniper Networks documentation on BGP behavior provides detailed insights into the propagation of BGP attributes within iBGP and eBGP contexts. Specifically, the Junos OS documentation covers the default behavior of next-hop and local preference attributes in BGP configurations.
- Junos OS BGP Configuration Guide: [Junos OS BGP Configuration Guide](https://www.juniper.net
/documentation/en_US/junos/topics/concept/bgp-overview.html)
- For a deeper understanding of BGP attributes and their default behaviors, the "Juniper Networks Day One:
Exploring BGP" book is an excellent resource.

질문 # 97
Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501. Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to influence the way your AS sends traffic to the 203.0.113.0/24 network.
In this scenario, which attribute would you consider next when selecting the best path?

A. peer IP address
B. IGP metric
C. MED value
D. router ID

정답：C

설명：
To determine the correct answer, let's analyze the BGP path selection process and identify which attribute would be considered next in this scenario.
Background on BGP Path Selection
When multiple paths to the same destination are received via BGP, the router uses a step-by-step process to select the best path. The order of attributes considered is as follows (simplified for this scenario):
Highest Local Preference : The path with the highest local preference is preferred.
Shortest AS Path : The path with the shortest AS path length is preferred.
Lowest Origin Code : Paths with an origin code of IGP are preferred over EGP, and EGP is preferred over Incomplete.
Lowest MED (Multi-Exit Discriminator) : If the first three attributes are identical, the path with the lowest MED value is preferred.
eBGP over iBGP : eBGP paths are preferred over iBGP paths.
IGP Metric to Next Hop : The path with the lowest IGP metric to the next-hop router is preferred.
Router ID : If all else is equal, the path from the router with the lowest Router ID is preferred.
Peer IP Address : As a last tiebreaker, the path from the peer with the lowest IP address is preferred.
Scenario Analysis
In this scenario:
You are receiving the 203.0.113.0/24 network via EBGP from two different autonomous systems (AS 64500 and AS 64501).
Both advertisements have identical local-preference values , AS-path lengths , and BGP origin codes .
Given that the first three attributes in the BGP path selection process are identical, the next attribute to consider is the MED (Multi-Exit Discriminator) value.
Analysis of the Options
Option A: Router ID
Incorrect : The Router ID is considered much later in the BGP path selection process, only after other attributes like MED and IGP metric have been evaluated. Since MED is still relevant here, Router ID is not the next attribute to consider.
Option B: MED value
Correct : The MED value is used to influence inbound traffic from neighboring ASes. When local preference, AS path length, and origin code are identical, the path with the lowest MED value is preferred. This makes MED the next attribute to consider in this scenario.
Option C: Peer IP Address
Incorrect : The peer IP address is a tiebreaker used only at the very end of the BGP path selection process, after all other attributes have been evaluated. It is not relevant here because MED has not yet been considered.
Option D: IGP Metric
Incorrect : The IGP metric to the next-hop router is considered after MED. Since MED is still relevant in this scenario, IGP metric is not the next attribute to evaluate.
Final Answer
The correct answer is:
B . MED value
Summary
When local preference, AS path length, and origin code are identical, the MED value is the next attribute considered in the BGP path selection process.
MED is used to influence how traffic enters your AS from neighboring ASes.

질문 # 98
Refer to the exhibit.

Click the Exhibit button.
You have an OSPF environment. You have recently added a router called R4 that is directly connected to R1 and R2. You discover that R4 is only peering with R2.
Referring to the exhibit, how would you correct the peering?

A. Adjust the Dead Interval on R4 to match the Dead Interval on R1 and R2.
B. Adjust the Hello Interval on R1 and R2 to match the Hello Interval on R4.
C. Change the MTU size on R1 and R2 to be 22 bytes higher than R4's MTU size.
D. Adjust the Priority on R1 to be lower than the Priority on R4.

정답：B

질문 # 99
......

JN0-664시험패스 덤프공부자료: https://www.itcertkr.com/JN0-664_exam.html

Harry Phillips Harry Phillips

Biography

JN0-664최고품질인증시험덤프데모최신인기인증시험덤프샘플문제

Juniper JN0-664 시험요강:

최신버전 JN0-664최고품질 인증시험덤프데모 시험대비자료

최신 JNCIP-SP JN0-664 무료샘플문제 (Q94-Q99):