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Designing Cisco Enterprise Networks (ENSLD) Questions 156–160 (page: 33)

Updated On: 10-Feb-2026

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?

  1. GETVPN
  2. DMVPN
  3. GRE VPN
  4. standard IPsec VPN

Answer(s): A



Which information update is carried by OMP and enables the Cisco SD-WAN to build a secure overlay fabric on top of any public or private transport without regard for the actual link IP?

  1. TLOC
  2. RLOC
  3. DTLS
  4. LISP PITR

Answer(s): A



Which WAN connectivity technology is optimal for edge computing compared to others and why?

  1. Due to high bandwidth, separation and security, and proximity to the data center network, DWDM is the optimal WAN technology for edge computing compared to 4G/5G connectivity, which offers native separation and security with close proximity to the data center.
  2. Due to low latency, high bandwidth, and closest proximity to the user, 4G/5G connectivity is the optimal WAN technology for edge computing compared to L3 VPN MPLS connectivity, which offers native separation and security with close proximity to the data center.
  3. Due to low cost, high bandwidth, low latency, and closest proximity to the edge of the network, Mero Ethernet is the optimal WAN technology for edge computing compared to MPLS, which offers native separation and security with close proximity to the data center.
  4. Due to low latency, high bandwidth, and closest proximity to the user, L3 VPN MPLS connectivity is the optimal WAN technology for edge computing compared to 4G/5G connectivity, which offers native separation and security with close proximity to the data center.

Answer(s): B



What is the purpose of a TLOC extension in a Cisco SD-WAN network fabric?

  1. to facilitate WAN Edge router redundancy within a site
  2. to identify the physical interface where a WAN Edge router connects to the WAN transport network
  3. to expand the number of colors that are potentially applied to a network transport interface
  4. to aggregate multiple physical Interfaces into a single logical interface

Answer(s): A



DRAG DROP (Drag and Drop is not supported)

Drag and drop the types of WAN connectivity from the left onto the connectivity use cases on the right.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



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