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Designing Cisco Enterprise Networks (ENSLD) Questions 141–145 (page: 30)

Updated On: 10-Feb-2026

An architect is working on a design to connect a company's main site to several small to medium-sized remote branches. The solution must include redundant WAN links, but the customer has a limited budget and wants the ability to increase the link speed easily in the future. QoS will run on the branch routers, so there is no need for consistent end-to-end QoS. Which solution does the architect propose?

  1. dual-homed WAN MPLS with single-edge router
  2. dual-homed Internet with a single-edge router running a site-to-site VPN topology
  3. dual-homed WAN MPLS and Internet links via dual-edge routers
  4. dual-homed Internet with dual-edge routers running a hub-and-spoke VPN topology

Answer(s): B



An engineer must design a solution to connect a customer to the Internet. The solution will include a Layer 3 circuit with a CIR of 50 Mbps from the service provider. The hand-off from the provider's switch to the customer's router is 1Gbps. Which solution should the engineer include to prevent potential issues with choppy voice traffic?

  1. Reduce the bandwidth of the connection to the router.
  2. Implement hierarchical QoS with a parent policing policy.
  3. Add a bandwidth statement to the router interface.

Answer(s): C





Refer to the exhibit. Customers report low video quality and delays when having point-to-point telepresence video calls between the two locations. An architect must optimize a design so that traffic follows the same path for egress and ingress traffic flows. Which technique optimizes the design?

  1. Configure route leaking on the router in area 2.
  2. Configure route leaking on the router in area 1.
  3. Configure the high metric on the router in area 4.
  4. Configure route filter on the router in area 4.

Answer(s): A



Refer to the exhibit.



An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?

  1. Run an eBGP session within different VRFs for each ISP.
  2. Advertise a default route for downstream routers within the client network.
  3. Apply the AS-path prepend feature for ISP2.
  4. Apply route filtering such that the client advertises only routes originated from its own AS.

Answer(s): B



An engineer must propose a solution for a campus network that includes the capability to create multiple Layer 3 virtual networks. Each network must have its own addressing structure and routing table for data forwarding. The solution must be scalable to support hundreds of virtual networks and allow simple configuration and management with minimal administrative overhead. Which solution does the engineer recommend?

  1. hop-by-hop EVN
  2. multihop MPLS core
  3. multihop IPsec tunneling
  4. hop-by-hop VRF-Lite

Answer(s): B



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