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Karl Moore Karl Moore

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権威のある300-420受験記 &合格スムーズ300-420認定試験トレーリング |ユニークな300-420日本語受験攻略

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Topexamの経験豊富な専門家チームはCiscoの300-420認定試験に向かって専門性の問題集を作って、とても受験生に合っています。Topexamの商品はIT業界中で高品質で低価格で君の試験のために専門に研究したものでございます。

シスコ300-420試験は、企業ネットワーク設計に関連する幅広いトピックをカバーしています。高度なルーティングおよびスイッチング技術、ネットワークセキュリティ、無線技術、ネットワーク自動化を含みます。試験では、スケーラビリティ、可用性、パフォーマンスを含む企業ネットワークソリューションの設計原則とベストプラクティスもカバーされます。

Cisco 300-420試験に合格するには、企業レベルのネットワークソリューションに対する実践的な経験を含め、ネットワーク設計の原則と概念について強い理解を持っている必要があります。また、Cisco IOS、Cisco Nexus、およびCisco ACIを含むCiscoネットワーク技術についても良い理解を持っている必要があります。

>> 300-420受験記 <<

300-420試験の準備方法｜権威のある300-420受験記試験｜完璧なDesigning Cisco Enterprise Networks認定試験トレーリング

Topexamに提供されている資料はIT認定試験に対して10年過ぎの経験を持っているプロフェッショナルによって研究と実践を通じて作成し出されたものです。Topexamは最新かつ最も正確な試験300-420問題集を用意しておきます。Topexamは皆さんの成功のために存在しているものですから、Topexamを選択することは成功を選択するのと同じです。順調にIT認定試験に合格したいなら、Topexamはあなたの唯一の選択です。

Cisco Designing Cisco Enterprise Networks 認定 300-420 試験問題 (Q79-Q84):

質問 # 79
A customer is undergoing a WAN re-architecture and wants to design QoS policies for remote sites that have low bandwidth. What must be considered to have CBWFQ configured in the parent and child policies in an end-to-end QoS design?

A. Traffic policing is required in the child policy.
B. Traffic shaping is required in the parent policy.
C. CBWFQ is only supported in the parent policy.
D. CBWFQ is only supported in the child policy.

正解：B

質問 # 80
Company A recently acquired another company. Users of the newly acquired company must be able to access a server that exists on Company A's network, both companies use overlapping IP address ranges.
Which action conserves IP address space and provides access to the server?

A. Build one-to-one NAT translation for every user that needs access
B. Use a single IP address to create overload NAT
C. Re-IP overlapping address space in the acquired company
D. Use a single IP address to create a static NAT entry

正解：D

解説：
You wouldn't create a NAT to convert every single user from the newly acquired company into one IP address in the other existing company. You would create a static NAT for traffic destined to the server at the network boundary between the 2 companies. Traffic destined to the server from the newly acquired company would be NAT'd to the server IP in Company A.

質問 # 81
Which design consideration must be made when using IPv6 overlay tunnels?

A. Overlay tunnels that connect isolated IPv6 networks can be considered a final IPv6 network architecture.
B. Overlay tunnels can be configured only between border devices and require only the IPv6 protocol stack.
C. Overlay tunnels should only be considered as a transition technique toward a permanent solution.
D. Overlay tunneling encapsulates IPv4 packets in IPv6 packets for delivery across an IPv6 infrastructure.

正解：C

解説：
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/interface/configuration/xe-3s/ir-xe-3s-book/ip6-ip4-gre-tunls-
"The use of overlay tunnels should be considered as a transition technique toward a network that supports both the IPv4 and IPv6 protocol stacks or just the IPv6 protocol stack."

質問 # 82
Refer to the exhibit.

An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is considered as a backup and must be used only when the path to ISP-1 is down. Which solution must the engineer choose?

A. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: no action
- Routes received from R2: community NO-EXPORT
R2:
- Routes advertised to ISP-2:5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: community NO-ADVERTISE
- Routes received from R1: no action
B. R1:
- Routes advertised to ISP-1: 5x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 0x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: community NO-EXPORT
- Routes received from R1: no action
C. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: no action
- Routes received from R1: community NO-ADVERTISE
D. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: community NO-EXPORT
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: no action
- Routes received from R1: no action

正解：D

質問 # 83
Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?

A. Traffic must be symmetrical as it egresses the WAN Edges and returns from remote sites for DPI to function properly.
B. Use BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch.
C. HSRP priorities must match the OMP routing policy to prefer one WAN Edge over the other.
D. Configure BFD between WAN Edge routers to detect sub-second link failures.

正解：B

質問 # 84
......

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