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| Section | Objectives |
|---|---|
| Topic 1: Intermediate System to Intermediate System (IS-IS) | - Identify the concepts, operation, or functionality of IS-IS
|
| Topic 2: Layer 2 Bridging or VLANs | - Identify the concepts, operation, or functionality of Layer 2 bridging for the Junos OS
|
| Topic 3: Protocol-Independent Routing | - Identify the concepts, operation, or functionality of various protocol-independent routing components
|
| Topic 4: Multiprotocol Label Switching (MPLS) | - Identify the concepts, operation, or functionality of MPLS CoS processing on Junos devices
|
| Topic 5: Open Shortest Path First (OSPF) | - Identify the concepts, operation, or functionality of OSPF
|
| Topic 6: Border Gateway Protocol (BGP) | - Identify the concepts, operation, or functionality of BGP
|
| Topic 7: Spanning Tree Protocols | - Identify the concepts, operation, or functionality of STP
|
| Topic 8: IPv6 | - Identify the concepts, operation, or functionality of IPv6
|
献身と熱意を持ってJN0-364ガイド資料を段階的に学習する場合、Juniper必死に試験に合格することを保証します。学習資料の権威あるプロバイダーとして、潜在顧客からより多くの注目を集めるために、常に同等のテストと比較してJN0-364模擬テストの高い合格率を追求しています。それ以外の場合、残念ながら、JN0-364学習教材で試験に合格しなかった場合、製品費用はすぐに全額返金されます。 JN0-364研究トレントは、高い合格率でより魅力的で素晴らしいものになります。
質問 # 95
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?
正解：A
解説：
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.
質問 # 96
Exhibit:
You have configured IPv4 and IPv6 in your network and all OSPF neighbors are established. You apply the configuration shown in the exhibit. Which statement is true in this scenario?
正解：C
解説：
In a Juniper Networks environment running Junos OS, understanding the interaction between different versions of OSPF is essential for multi-protocol environments.OSPFv2(defined in RFC 2328) is the standard protocol used for routing IPv4 unicast traffic.OSPFv3(defined in RFC 5340) was originally developed to support IPv6 routing. However, OSPFv3 was later extended via RFC 5838 to support multiple address families (AF), allowing it to carry IPv4 unicast, IPv4 multicast, and other address types within a single OSPF instance.
According to Juniper technical documentation, Junos OS implements this multi-AF support in OSPFv3 through the use ofrealms. When the realm ipv4-unicast statement is configured under the [edit protocols ospf3] hierarchy, the OSPFv3 process becomes capable of calculating and advertising IPv4 routes.
In the provided exhibit, routerR2has a dual-protocol configuration. First, it is running standard OSPFv2, with the ge-0/0/1.0 interface (which is directly connected to the 172.16.2.0/24 network) participating in Area 0.
This ensures that the prefix is advertised as a standard IPv4 LSA to its neighbor,R1. Second, R2 is running OSPFv3 with the realm ipv4-unicast specifically enabled on that same ge-0/0/1.0 interface. Because of this realm, OSPFv3 also treats the 172.16.2.0/24 prefix as a reachable IPv4 destination and advertises it to R1 as an OSPFv3 IPv4-unicast LSA.
As a result, whenR1(which is also running both protocols) receives these routing updates, it will see the same destination prefix advertised by two different protocols. Its routing table (inet.0) will contain one entry learned from the OSPFv2 process and a second, separate entry learned from the OSPFv3 process. While the Junos Routing Engine will ultimately select one as the "active" route based on route preference (both protocols have a default preference of 10), both entries will technically exist within the Routing Information Base (RIB). This confirms that statementBis the correct description of the operational state of the network.
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質問 # 97
Click the Exhibit button. A router called R6 is the ingress router for an LSP called R6_TO_R10_700m.
Referring to the exhibit, which statement is correct about the bandwidth reservation across this entire path?
正解：A
解説：
The output shows the LSP bandwidth is 700 Mbps and its RSVP priorities are set with a setup priority of 2 and a holding priority of 1. Bandwidth admission and reservation along the path are evaluated using the setup priority, so the 700 Mbps is accounted against the unreserved bandwidth buckets for setup priority 2 and all lower-preference priorities below it.
質問 # 98
Click the Exhibit button.
Referring to the exhibit, which protocol would automatically create a full mesh of label-switched paths between MPLS-enabled routers?
正解：D
解説：
LDP automatically establishes label-switched paths between all MPLS-enabled routers that share IGP reachability. It distributes labels for IGP prefixes and uses the existing IGP topology to build LSPs dynamically, effectively creating a full mesh of LSPs across the MPLS network without requiring explicit configuration.
質問 # 99
Click the Exhibit button.
Referring to the exhibit, R1 and R2 are configured to run IS-IS. The IS-IS adjacency between R1 and R2 is up.
What does the output of the show isis interfacecommand tell you about R1?
正解：A
解説：
The interface output shows Level 1 is disabled on ge-0/0/0.0 while Level 2 is operating as point- to-point. This indicates R1 is forming only a Level 2 IS-IS adjacency with R2 on that link.
質問 # 100
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JuniperのJN0-364試験準備は、テストヒット率が高いため、98％〜100％の合格率です。 したがって、当社のJN0-364学習教材は効果的であるだけでなく、有用でもあります。 誰もが知っているように、時間は誰にとっても非常に重要です。 一部の候補者は、自分の仕事や家族で非常に忙しいです。 JN0-364試験の審査に時間をかけることは非常に困難です。 ただし、JN0-364試験の教材を使用する場合、学習する時間はほとんどなく、Service Provider Routing and Switching, Specialist (JNCIS-SP)合格率は高くなります。 JN0-364学習教材はあなたの信頼に値します。
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