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JN0-664 Valid Exam Cost, JN0-664 Latest Braindumps Questions

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The JN0-664 exam covers a wide range of topics, including Junos OS fundamentals, routing protocols, network security, MPLS, QoS, and more. Candidates must have a deep understanding of these topics and practical experience in configuring and troubleshooting Juniper Networks service provider networks. Passing JN0-664 Exam demonstrates that a candidate has the necessary skills and knowledge to design, implement, and troubleshoot complex service provider networks using Juniper Networks technology.

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Juniper JN0-664 exam, also known as the Service Provider Professional exam, is a certification exam designed for experienced networking professionals seeking to validate their knowledge and skills in advanced routing technologies, security, and service provider operations. JN0-664 exam is intended for professionals who have already achieved Juniper's Service Provider Routing and Switching Professional (JNCIP-SP) certification and have extensive experience in designing, implementing, and troubleshooting complex service provider networks.

Juniper Networks is a leading provider of networking equipment and services, and the JN0-664 Certification is highly regarded in the industry. Achieving this certification can lead to career advancement opportunities and higher salaries. It also provides individuals with the skills and knowledge needed to excel in the service provider industry.

Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q55-Q60):

NEW QUESTION # 55
Exhibit

You are asked to exchange routes between R1 and R4 as shown in the exhibit. These two routers use the same AS number Which two steps will accomplish this task? (Choose two.)

A. Configure the BGP group with the advertise-peer-as parameter on R1 and R4.
B. Configure the BGP group with the as-override parameter on R1 and R4
C. Configure the BGP group with the as-override parameter on R2 and R3
D. Configure the BGP group with the advertise-peer-as parameter on R2 and R3.

Answer: C,D

NEW QUESTION # 56
Refer to the exhibit.

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

Answer: A,D

Explanation:
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."
**Reference**:
- 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.

NEW QUESTION # 57
Which two statements describe PIM-SM? (Choose two)

A. Traffic is only forwarded to routers that request to join the distribution tree.
B. Traffic is initially flooded to all routers and an S,G is maintained for each group
C. Routers with receivers send join messages to their upstream neighbors.
D. Routers without receivers must periodically prune themselves from the SPT.

Answer: A,C

Explanation:
Explanation
PIM sparse mode (PIM-SM) is a multicast routing protocol that uses a pull model to deliver multicast traffic.
In PIM-SM, routers with receivers send join messages to their upstream neighbors toward a rendezvous point (RP) or a source-specific tree (SPT). The RP or SPT acts as the root of a shared distribution tree for a multicast group. Traffic is only forwarded to routers that request to join the distribution tree by sending join messages.
PIM-SM does not flood traffic to all routers or prune routers without receivers, as PIM dense mode does.

NEW QUESTION # 58
Exhibit

R4 is directly connected to both RPs (R2 and R3) R4 is currently sending all ,o,ns upstream to R3 but you want all joins to go to R2 instead Referring to the exhibit, which configuration change will solve this issue?

A. Change the bootstrap priority on R2 to be higher than R3
B. Change the group-range to be more specific on R2 than R3.
C. Change the default route in inet.2 on R4 from R3 as the next hop to R2
D. Change the local address on R2 to be higher than R3.

Answer: A

Explanation:
Explanation
PIM Bootstrap Router (BSR) is a mechanism that allows PIM routers to discover and announce rendezvous point (RP) information for multicast groups. BSR uses two roles: candidate BSR and candidate RP. Candidate BSR is the router that collects information from all available RPs in the network and advertises it throughout the network. Candidate RP is the router that wants to become the RP and registers itself with the BSR. There can be only one active BSR in the network, which is elected based on the highest priority or highest IP address if the priority is the same. The BSR priority can be configured manually or assigned automatically. The default priority is 0 and the highest priority is 2551. In this question, R4 is directly connected to both RPs (R2 and R3) and is currently sending all joins upstream to R3 but we want all joins to go to R2 instead. To achieve this, we need to change the BSR priority on R2 to be higher than R3 so that R2 becomes the active BSR and advertises its RP information to R4.

NEW QUESTION # 59
Exhibit

Referring to the exhibit, PE-1 and PE-2 are getting route updates for VPN-B when neither of them service that VPN Which two actions would optimize this process? (Choose two.)

A. Configure the resolution rib bgp.l3vpn.O resolution-ribs inet. 0 Statement on the RR
B. Configure the resolution rib bgp . 13vpn . 0 resolution-ribs inet. 0 Statement on the PEs.
C. Configure the family route-target statement on the PEs.
D. Configure the family route-target statement on the RR

Answer: A,D

Explanation:
Explanation
BGP route target filtering is a technique that reduces the number of routers that receive VPN routes and route updates, helping to limit the amount of overhead associated with running a VPN. BGP route target filtering is based on the exchange of the route-target address family, which contains information about the VPN membership of each PE device. Based on this information, a PE device can decide whether to accept or reject VPN routes from another PE device.
BGP route target filtering can be configured on PE devices or on route reflectors (RRs). Configuring BGP route target filtering on RRs is more efficient and scalable, as it reduces the number of BGP sessions and updates between PE devices. To configure BGP route target filtering on RRs, the following steps are required:
* Configure the family route-target statement under the BGP group or neighbor configuration on the RRs.
This enables the exchange of the route-target address family between the RRs and their clients (PE devices).
* Configure the resolution rib bgp.l3vpn.0 resolution-ribs inet.0 statement under the routing-options configuration on the RRs. This enables the RRs to resolve next hops for VPN routes using the inet.0 routing table.
* Configure an export policy for BGP route target filtering under the routing-options configuration on the RRs. This policy controls which route targets are advertised to each PE device based on their VPN membership.

NEW QUESTION # 60
......

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