300-420 無料問題集「Cisco Designing Cisco Enterprise Networks」
A company's security policy requires that all connections between sites be encrypted in a manner that does not require maintenance of permanent tunnels. The sites are connected through a private MPLS-based service that uses a dynamically changing key and spoke-to-spoke communication. Which type of transport encryption must be used in this environment?
正解：C
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解説: (JPNTest メンバーにのみ表示されます)
Refer to the exhibit. An architect must create a stable and scalable EIGRP solution for a customer. The design must:
- conserve bandwidth, memory, and CPU processing
- prevent suboptimal routing
- avoid any unnecessary queries
Which two solutions must the architect select? (Choose two.)
- conserve bandwidth, memory, and CPU processing
- prevent suboptimal routing
- avoid any unnecessary queries
Which two solutions must the architect select? (Choose two.)
正解：A、B
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解説: (JPNTest メンバーにのみ表示されます)
Refer to the exhibit. An engineer is designing a redistribution solution for a customer. The customer recently acquired another company and decided to Integrate the new network running RIPv1 with the company's existing network. Which redistribution technique must the engineer select to ensure the multipoint two-way redistribution does not cause routing loops?
正解：C
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解説: (JPNTest メンバーにのみ表示されます)
Refer to the exhibit. An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate 1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?
正解：A
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Refer to the exhibit. An engineer is designing a hierarchical ISIS solution for an enterprise customer with these requirements:
- Users in areas 25 and 55 send and receive traffic from both backbone
areas.
- Link flaps in areas 35 and 45 must not impact other areas.
- Routers will double within the next 12 months in areas 35 and 45.
Which design must the engineer select?
- Users in areas 25 and 55 send and receive traffic from both backbone
areas.
- Link flaps in areas 35 and 45 must not impact other areas.
- Routers will double within the next 12 months in areas 35 and 45.
Which design must the engineer select?
正解：B
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A customer's current Layer 2 infrastructure is running Spanning Tree 802.1d, and all configuration changes are manually implemented on each switch. An architect must redesign the Layer 2 domain to achieve these goals:
- reduce the impact of topology changes
- reduce the time spent on network administration
- reduce manual configuration errors
Which two solutions should the architect include in the new design? (Choose two.)
- reduce the impact of topology changes
- reduce the time spent on network administration
- reduce manual configuration errors
Which two solutions should the architect include in the new design? (Choose two.)
正解：A、C
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Refer to the exhibit. A customer has two eBGP peerings from a single CE router toward two service providers. The customer has hired an architect to design a solution to ensure certain traffic enters the customer's network through interface gig0/0. Which solution must the architect include in the design?
正解：D
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Drag and Drop Question
Drag and drop the steps WAN Edge performs when on-boarded into the Cisco SD-WAN overlay from the left into the order they are completed on the right.
Drag and drop the steps WAN Edge performs when on-boarded into the Cisco SD-WAN overlay from the left into the order they are completed on the right.
正解：
Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does not want to be advertised to the internet. Which solution should the architect use to accomplish this?
正解：B
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解説: (JPNTest メンバーにのみ表示されます)