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Juniper JN0-664試験勉強書、JN0-664模擬体験

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Juniper JN0-664 認定試験の出題範囲：

トピック
出題範囲

トピック 1

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.

トピック 2

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.

トピック 3

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.

トピック 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.

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JN0-664模擬体験 & JN0-664資格問題対応

自宅にいても外にいても、JN0-664テストトレントを勉強できます。 JN0-664学習ツールの指導の下では、試験の準備に20〜30時間しかかからないため、他にやることがあるので、時間を心配する必要はありません。 JN0-664試験資料を使用して、独自に学習できます。毎日多くの時間を費やす必要はなく、試験に合格し、最終的には証明書を取得します。 JN0-664認定は、就職面接の重要なタグになる可能性があり、他の人よりも競争上の優位性があります。

Juniper Service Provider, Professional (JNCIP-SP) 認定 JN0-664 試験問題 (Q85-Q90):

質問 # 85
You enabled a new router (R3) in your network but all destinations using IS-IS routes are not properly load balancing over this new router.
Referring to the exhibit, what is the problem?

A. R3 does not have wide-metrics enabled.
B. R1 is missing internal routes for R2.
C. R2 is missing internal routes for R1.
D. R1 does not have wide-metrics enabled.

正解：A

質問 # 86
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. Wide metrics have specifically been requested
C. The interface specified a metric of 100 for L2.
D. There are both narrow and wide metric devices in the topology

正解：D

解説：
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.

質問 # 87
Referring to the exhibit, the PE-to-CE protocol being used is OSPF for the L3VPN. Also, there is an OSPF neighborship between CE-1 and CE-2.
Which statement is correct in this situation?

A. Hosts at Site-1 will reach hosts at Site-2 through the CE-1 and CE-2 link by default.
B. You must set a high metric on the CE-1 to PE-1 link for hosts at Site-1 to use the CE-1 to CE-2 link to reach hosts at Site-2.
C. Hosts at Site-1 will reach hosts at Site-2 through the L3VPN by default.
D. You must set a high metric on the CE-1 to CE-2 link for hosts at Site-1 to use the L3VPN to reach hosts at Site-2.

正解：A

質問 # 88
Exhibit

You want to use both links between R1 and R2 Because of the bandwidth difference between the two links, you must ensure that the links are used as much as possible.
Which action will accomplish this goal?

A. Ensure that the metric-out parameter on the Gigabit Ethernet interface is higher than the 10 Gigibit Ethernet interface.
B. Define a policy to tag routes with the appropriate bandwidth community.
C. Disable multipath.
D. Enable per-prefix load balancing.

正解：B

解説：
https://www.juniper.net/documentation/us/en/software/junos/sampling-forwarding-monitoring/bgp/topics/concep

質問 # 89
After a recent power outage, your manager asks you to investigate ways to automatically reduce the impact caused by suboptimal routing in your OSPF and OSPFv3 network after devices reboot.
Which three configuration statements accomplish this task? (Choose three.)

A. set protocols ospf overload
B. set protocols ospf overload timeout 900
C. set protocols ospf3 overload
D. set protocols ospf3 overload timeout 900
E. set protocols ospf3 realm ipv4-unicast overload timeout 900

正解：B、D、E

質問 # 90
......

JN0-664認定試験について、あなたはどうやって思っているのですか。非常に人気があるJuniperの認定試験の一つとして、この試験も大切です。しかし、試験の準備をよりよくできるために試験参考書を探しているときに、優秀な参考資料を見つけるのはたいへん難しいことがわかります。では、どうしたらいいでしょうか。大丈夫ですよ。CertJukenはあなたの望みを察して、受験生の皆さんの要望にこたえるために、一番良い試験JN0-664問題集を提供してあげます。

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