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Free 300-420 Exam Braindumps
Designing Cisco Enterprise Networks (ENSLD) Questions 111–115 (page: 24)

Updated On: 10-Feb-2026
Page 24 of 73
PDF with 416 Questions

Which feature provides the capability for intra-VN traffic filtering and control within the Cisco SD-Access architecture?

  1. MAC ACL
  2. prefix list
  3. scalable groups
  4. service policy

Answer(s): C





Refer to the exhibit. An engineer working for a telecommunication company with an employee ID: 1234:56:789 is calculating STP scalability for switches to ensure that the numbers are below the maximum supported value for STP logical ports. How many logical interfaces are active for switch A?

  1. 307
  2. 4
  3. 202
  4. 100

Answer(s): C



What does the fabric data plane leverage in SD-Access Architecture?

  1. LISP protocol to resolve endpoint-to-location mapping
  2. IS-IS protocol to exchange link-state routing information
  3. MAC-in-IP encapsulation method to transport of the Layer 2 frame D.
    BGP protocol to advertise endpoint prefixes outside of the fabric

Answer(s): C


Reference:

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design- guide.html



Refer to the exhibit.



A network engineer must design a highly available OSPF solution based on these requirements:
Traffic disruptions caused by link or node failures in Area-1 must be resolved in milliseconds.

In the event of a failure, traffic must switch to another path without waiting for the OSPF dead interval.

Which fault detection solution must the engineer choose?

  1. Decrease SPF timers to 100 ms.
  2. Tune the SPF delay and the OSPF LSA interval timers to 100 ms.
  3. Utilize BFD and tune the BFD timers to 100 ms.
  4. Enable IP SLA tracking for each OSPF peer.

Answer(s): C



Refer to the exhibit.



An architect is designing a Layer 3 campus network. The design must hide network instability, reduce network overhead, and conserve critical device memory. Which route summarization solution must the architect select?


  1. -The aggregation layer must advertise a default route toward the core layer.
    -The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the access layer.

  2. -The core layer must advertise a default route toward the aggregation layer.
    -The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the core layer.

  3. -The aggregation layer must advertise a default route toward the access layer.
    -The VLAN subnets must be summarized into 10.0.0.0/16 at the aggregation layer and advertised to the core layer.

  4. -The core layer must advertise a default route toward the aggregation layer.
    -The VLAN subnets must be summarized into 10.0.0.0/16 at the access layer and advertised to the aggregation layer.

Answer(s): C



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