2024年最新の更新のJNCIA-DCが有効なJN0-280問題集を無料提供しています
最新のFast2test JN0-280PDF問題集をダウンロードしちゃおう：https://jp.fast2test.com/JN0-280-premium-file.html（120問題と解答)
JN0-280認定試験は65の複数選択の質問で構成されており、候補者は試験を完了するのに90分です。この試験の合格スコアは70％であり、この試験を受ける前に、候補者はデータセンターテクノロジーで少なくとも6か月の経験を持つことをお勧めします。 JN0-280試験は、英語、中国語、日本、韓国語を含む複数の言語で利用できます。
JN0-280 認定試験は、データセンターテクノロジーに関連する広範なトピックをカバーしています。これには、データセンターアーキテクチャ、仮想化、ストレージ、ネットワーキングが含まれます。試験は、候補者の異なるデータセンターテクノロジーを構成、管理、トラブルシューティングする能力をテストするために設計されています。試験は、多肢選択問題とシミュレーションベースの問題から構成されています。
JNCIA-DC認定は、Juniper Networks Certified Professional Data Center（JNCIP-DC）認定の前提条件です。 JNCIA-DC認定を獲得することは、データセンターネットワーキングに関する候補者の基本的な知識と、ジュニパーネットワークデバイスを構成、管理、およびトラブルシューティングする能力を示しています。この認定は、Juniper Networks Technologiesの習熟度を実証したり、データセンターネットワーキングでのキャリアを促進したいITの専門家に最適です。
質問 # 47
Which two statement are correct about trunk ports? (Choose two.)
- A. Trunk ports typically connect to end users and servers.
- B. By default, trunk ports can transmit and receive untagged traffic.
- C. By default, trunk ports can transmit and receive VLAN tagged traffic.
- D. Trunk ports typically connect to other switches and routers.
正解：C、D
質問 # 48
Referring to the exhibit, which two statements are correct about the IP fabric? (Choose two.)
- A. All traffic must traverse the super spine devices.
- B. Only traffic between pods must traverse the super spine devices.
- C. This is a three-stage IP fabric.
- D. This is a five-stage fabric.
正解：B、D
質問 # 49
What are two characteristics of a typical EBGP underlay fabric? (Choose two.)
- A. An EBGP fabric relies on an IGP to advertise loopback IPs.
- B. An EBGP fabric does not require an IGP to advertise loopback IPs.
- C. Each device in an EBGP fabric will be configured in its own unique private AS.
- D. Each device in an EBGP fabric will be configured to be part of the same private AS.
正解：B、C
質問 # 50
You are configuring OSPF in your network as shown in the exhibit. R1 has been configured with interface metrics. All other links in the network are using the default interface metric.
In this scenario, which OSPF interface on R1 will be preferred when routing traffic between R1 and R5?
- A. ge-0/0/1
- B. ge-0/0/2
- C. ge-0/0/3
- D. ge-0/0/0
正解：A
質問 # 51
Referring to the exhibit, which statement is correct?
- A. The ge-0/0/12 interfaces is an access port.
- B. The default VLAN is a user defined VLAN name.
- C. The asterisk indicates that the interface is active.
- D. The ge-0/0/0 interface has been explicitly assigned to a VLAN named default.
正解：C
質問 # 52
In a traditional multi-tier architecture, which layer is responsible for aggregating access layers and providing connectivity to the core layer?
- A. Distribution Layer
- B. Edge Layer
- C. Core Layer
- D. Access Layer
正解：A
質問 # 53
What is the primary purpose of using static routes in a network?
- A. To automatically adjust routes based on network traffic
- B. To generate routing entries dynamically
- C. To provide a manually configured routing entry
- D. To aggregate multiple routes into one
正解：C
質問 # 54
Which two prefixes are contributing routes to a 10.20.0.0/18 aggregate route? (Choose two)
- A. 10.20.100.0/24
- B. 10.20.0.0/16
- C. 10.20.60.0/23
- D. 10.20.0.0/24
正解：C、D
質問 # 55
In the context of protocol-independent routing, what is the main difference between static and generated routes?
- A. Static routes require manual configuration, while generated routes are created dynamically.
- B. Generated routes support summarization, while static routes do not.
- C. Generated routes are manually configured, while static routes are automatically created.
- D. Static routes are used for load balancing, while generated routes are not.
正解：A
質問 # 56
What is an advantage of using BFD?
- A. One BFD monitoring session can be used by multiple protocols.
- B. BFD is built to handle the routing table of the entire Internet, unlike IGPS.
- C. BFD is so lightweight that each protocol will generate its own unique BFD session by default, to replace its own hello messages.
- D. BFD built to handle the routing table of the entire Internet, and can safely redistribute it into OSPF.
正解：A
質問 # 57
When configuring OSPF, what is the purpose of defining areas?
- A. To assign different IP address ranges.
- B. To provide network redundancy.
- C. To specify different encryption methods.
- D. To control route advertisement and manage traffic.
正解：D
質問 # 58
In OSPF, which term refers to routers that have interfaces in multiple areas?
- A. Area Border Routers (ABRs)
- B. Autonomous System Boundary Routers (ASBRs)
- C. Backbone Routers
- D. Internal Routers
正解：A
質問 # 59
Which OSPF router type connects an OSPF area to non-OSPF networks?
- A. Backbone Router
- B. Area Border Router (ABR)
- C. Internal Router
- D. Autonomous System Boundary Router (ASBR)
正解：D
質問 # 60
In OSPF, what is the function of the Link-State Database (LSDB)?
- A. To keep the topology structure of the network.
- B. To maintain a list of OSPF neighbors.
- C. To store OSPF routing tables.
- D. To log changes in network topology.
正解：A
質問 # 61
What is a common issue to check for when troubleshooting a LAG not forming correctly?
- A. Excessive broadcast traffic
- B. Overutilization of CPU resources
- C. Identical IP addresses on all LAG interfaces
- D. Mismatched VLAN configurations
正解：D
質問 # 62
Which of the following VLAN port modes exist in Junos OS? (Choose two)
- A. Aggregated
- B. Tunnel
- C. Access
- D. Trunk
正解：C、D
質問 # 63
What is the primary purpose of using aggregate routes in a network?
- A. To statically define a route to a specific destination
- B. To dynamically adjust to network changes
- C. To summarize and reduce the number of routes in the routing table
- D. To filter unwanted traffic
正解：C
質問 # 64
Which OSPF troubleshooting tool is used to check the OSPF process and neighborship?
- A. Traceoptions
- B. Route summarization
- C. Ping
- D. SNMP
正解：A
質問 # 65
Which two statements describe an OSPF ABR? (Choose two.)
- A. By default, an ABR is an OSPF router with all of its links in one area.
- B. By default, an ABR does not need to have any links in the backbone area.
- C. By default, an ABR must have one link in the OSPF backbone area.
- D. By default, an ABR is an OSPF router with links in two areas.
正解：C、D
質問 # 66
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実験された試験材料はJN0-280：https://jp.fast2test.com/JN0-280-premium-file.html