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JN0-664 pass-king materials - JN0-664 test torrent & JN0-664 test-king guide

The Juniper JN0-664 certification exam is a valuable credential that often comes with certain personal and professional benefits. For many Juniper professionals, the Service Provider, Professional (JNCIP-SP) (JN0-664) certification exam is not just a valuable way to boost their skills but also Service Provider, Professional (JNCIP-SP) certification exam gives them an edge in the job market or the corporate ladder. There are other several advantages that successful Juniper JN0-664 Exam candidates can gain after passing the Juniper JN0-664 exam.

Juniper JN0-664 (Service Provider, Professional (JNCIP-SP)) Certification Exam is a professional-level certification exam designed for network engineers and administrators who specialize in service provider networks. JN0-664 exam validates the skills needed to configure, manage, and troubleshoot Juniper Networks service provider routing platforms and networks.

Juniper JN0-664 certification exam covers a broad range of topics related to service provider routing and switching technologies. These include OSPF, BGP, IS-IS, MPLS, Layer 2 VPNs, Layer 3 VPNs, multicast, and class of service. JN0-664 Exam also tests an individual's knowledge of Junos OS troubleshooting tools and techniques, as well as their ability to configure and troubleshoot Junos devices in a service provider environment.

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Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q49-Q54):

NEW QUESTION # 49
Which two statements about the configuration shown in the exhibit are correct? (Choose two.)

A. A Layer 3 VPN is configured.
B. This VPN connects customer sites that use the same AS number.
C. This VPN connects customer sites that use different AS numbers.
D. A Layer 2 VPN is configured.

Answer: A,B

NEW QUESTION # 50
Exhibit

CE-1 and CE-2 are part of a VPLS called Customer1 No connectivity exists between CE-1 and CE-2. In the process of troubleshooting, you notice PE-1 is not learning any routes for this VPLS from PE-2, and PE-2 is not learning any routes for this VPLS from PE-1.

A. The route distinguisher must match on PE-1 and PE-2.
B. The instance type should be changed to I2vpn.
C. The no-tunnel-services statement should be deleted on both PEs.
D. The route target must match on PE-1 and PE-2.

Answer: D

Explanation:
Explanation
VPLS is a technology that provides Layer 2 VPN services over an MPLS network. VPLS uses BGP as its control protocol to exchange VPN membership information between PE routers. The route target is a BGP extended community attribute that identifies which VPN a route belongs to. The route target must match on PE routers that participate in the same VPLS instance, otherwise they will not accept or advertise routes for that VPLS.

NEW QUESTION # 51
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. IGP metric
B. peer IP address
C. router ID
D. MED value

Answer: C

Explanation:
By default, the MED attribute is only compared for routes received from the same neighbouring AS.
The next feasible tiebreaker in the BGP route selection algorithm would be Router ID.

NEW QUESTION # 52
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. MED value
B. router ID
C. IGP metric
D. peer IP address

Answer: A

Explanation:
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.

NEW QUESTION # 53
Exhibit

A network is using IS-IS for routing.
In this scenario, why are there two TLVs shown in the exhibit?

A. Both IPv4 and IPv6 are being used in the topology
B. There are both narrow and wide metric devices in the topology
C. The interface specified a metric of 100 for L2.
D. Wide metrics have specifically been requested

Answer: B

Explanation:
TLVs are tuples of (Type, Length, Value) that can be advertised in IS-IS packets. TLVs can carry different kinds of information in the Link State Packets (LSPs). IS-IS supports both narrow and wide metrics for link costs. Narrow metrics use a single octet to encode the link cost, while wide metrics use three octets. Narrow metrics have a maximum value of 63, while wide metrics have a maximum value of 16777215. If there are both narrow and wide metric devices in the topology, IS-IS will advertise two TLVs for each link: one with the narrow metric and one with the wide metric. This allows backward compatibility with older devices that only support narrow metrics12.

NEW QUESTION # 54
......

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Oliver Lee Oliver Lee

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