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Cisco 300-420 Exam Questions
Designing Cisco Enterprise Networks (ENSLD) (Page 8 )

Updated On: 2-Mar-2026
Page 8 of 73
PDF with 386 Questions



Refer to the exhibit. AS65533 and AS65530 are announcing a partial Internet routing table as well as their IP subnets. An architect must create a design that ensures AS64512 does not become a transit AS. Which filtering solution must the architect choose?

  1. no-advertise
  2. next-hop
  3. no-export
  4. maximum-prefix

Answer(s): C





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.)

  1. route summarization
  2. prefix lists
  3. distribute lists
  4. stub routing
  5. static redistribution

Answer(s): A,D





Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R1. Which solution should the design include?

  1. Use update-source to specify the Loopback interface.
  2. Use next-hop-self attributes only for routes that are learned from eBGP peers.
  3. Configure the eBGP TTL to support eBGP multihop.
  4. Use maximum-paths to install multiple paths in the routing table.

Answer(s): D



A customer's environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?

  1. utilize NAT64 to translate the addresses
  2. implement NAT44 at the edge of the customer network
  3. use 6to4 and a tunnel to translate the addresses
  4. implement 6PE to resolve hostname resolution

Answer(s): A



A company is planning to open two new branches and allocate the 2a01:c30:16:7009::3800/118 IPv6 network for the region. Each branch should have the capacity to accommodate a maximum of 200 hosts. Which two networks should the company use? (Choose two.)

  1. 2a01:0c30:0016:7009::3a00/120
  2. 2a01:0c30:0016:7009::3b00/121
  3. 2a01:0c30:0016:7009::3a80/121
  4. 2a01:0c30:0016:7009::3c00/120
  5. 2a01:0c30:0016:7009::3b00/120

Answer(s): A,E



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