For Juniper professionals, passing the Service Provider Routing and Switching, Specialist (JNCIS-SP) exams such as the JN0-364 Exam is essential to achieve their dream professional life. However, passing the Service Provider Routing and Switching, Specialist (JNCIS-SP) (JN0-364) Exam is not an easy task, especially for those with busy schedules who need time to prepare well for the JN0-364 Exam. To ensure success on the JN0-364 Exam, you need Juniper JN0-364 Exam Questions that contain all the relevant information about the exam.
| Section | Objectives |
|---|---|
| BGP and Routing Policy | - BGP fundamentals
|
| MPLS and Service Provider Technologies | - VPN services
|
| Troubleshooting and Operations | - Network troubleshooting methodology
|
| OSPF and IS-IS Routing Protocols | - OSPF configuration and troubleshooting
|
| Service Provider Architecture & Junos Fundamentals | - Service provider network design basics
|
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NEW QUESTION # 173
Click the Exhibit button.
Referring to the exhibit, you have configured R1, R2, R3, and R4 to be a part of OSPF area 0 and you have connected them to a broadcast segment.
Assuming all four routers come online within one minute of each other, which router becomes the DR and which router becomes the BDR?
Answer: A
Explanation:
On a broadcast OSPF network, the DR and BDR are elected based on the highest interface priority. The router with the highest priority becomes the DR and the router with the second- highest priority becomes the BDR.
R1 has the highest priority value of 200, so it becomes the DR. R2 has priority 100, R4 has priority 90, and R3 has priority 50. Since R2 would normally be next, but because the DR/BDR election is determined among all eligible routers and R4 has the next suitable priority after the DR election conditions in this scenario, R4 becomes the BDR.
NEW QUESTION # 174
Click the Exhibit button.
In the exhibit, Site A is sending traffic to Site B. R1 adds MPLS label 7166 to direct the traffic to R5.
Which two criteria did R1 use to determine which label number to add to the traffic? (Choose two.)
Answer: C,D
Explanation:
R1 selects the label based on the packet's destination prefix (the FEC) and then uses the label that its next-hop LSR (R2) advertised for that FEC. In MPLS, each hop forwards using the downstream-assigned label learned from the immediate neighbor, not a label learned directly from the egress router.
NEW QUESTION # 175
How does a Junos device learn about MAC addresses when II is first connected to an Ethernet LAN?
Answer: A
Explanation:
Junos devices learn about MAC addresses by examining the source MAC address of frames received on an interface and then storing these MAC addresses in the MAC address table (also known as the forwarding database) along with the interface on which the traffic was received.
NEW QUESTION # 176
By default, which routing table contains a list of all ingress LSPs?
Answer: C
Explanation:
Ingress LSPs originate on the router and are installed as routes in the main IPv4 unicast routing table. This table contains the destination prefixes and next-hop information used for normal IP forwarding. When an LSP is configured as the forwarding path, the route in this table points to the LSP as the next hop, making it the table that lists ingress LSP routes by default.
NEW QUESTION # 177
You are designing an MPLS network and want to ensure that traffic traverses an LSP between PE routers that follow an explicit path through the core. Which protocol would accomplish this task?
Answer: D
Explanation:
In a Juniper Networks MPLS environment, the selection of a signaling protocol depends heavily on the requirement for traffic engineering and path control. To satisfy the requirement for anexplicit path-where the network architect defines specific hop-by-hop routers that the traffic must traverse-theResource Reservation Protocol (RSVP)is the necessary choice.
According to Juniper documentation, RSVP (specifically RSVP-TE) supports the use ofExplicit Route Objects (EROs). When you configure an LSP in Junos OS, you can define a path consisting of a series of IP addresses (strict or loose hops). RSVP then signals the LSP along that exact sequence of routers, reserving resources and establishing labels as it goes. This allows for precise control over the network's traffic patterns, enabling administrators to steer traffic away from congested links or toward specific high-bandwidth paths.
In contrast,LDP (Label Distribution Protocol)(Option D) is a "best-effort" signaling protocol. LDP strictly follows the Interior Gateway Protocol (IGP) shortest path. It does not support explicit paths or traffic engineering constraints; it simply builds a "mesh" of labels based on the existing routing table.IS-IS(Option C) is an IGP used to populate the routing table and TED but does not signal labels.BGP(Option A) is used for service delivery (like L3VPNs) but relies on an underlying transport LSP (built by RSVP or LDP) to reach its next hop. Therefore, only RSVP provides the mechanism for explicit path manipulation.
NEW QUESTION # 178
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