Free 300-420 Exam Braindumps
Designing Cisco Enterprise Networks (ENSLD) Questions 176–180 (page: 37)

Updated On: 10-Feb-2026

What is the purpose of Cisco vBond as a Session Traversal Utilities for NAT server?

  1. secure data traffic between Cisco Catalyst SD-WAN edge routers that use IPsec
  2. integrate Cisco SD-Access Wireless into the fabric
  3. allow Cisco Catalyst SD-WAN routers to locate their own mapped IP addresses
  4. provide Zero-Touch Provisioning to Cisco Catalyst SD-WAN vEdge devices

Answer(s): D

Explanation:

Cisco vBond acts as an initial orchestrator in a Cisco SD-WAN deployment. It serves as a Session Traversal Utilities for NAT (STUN) server to facilitate Zero-Touch Provisioning (ZTP) for vEdge devices. vBond ensures that all devices (such as vEdge routers) can locate and securely communicate with the SD-WAN controllers, regardless of whether they are behind NAT. This enables seamless onboarding and connectivity in SD-WAN networks.



Which PIM mode uses a shared tree only?

  1. bidirectional
  2. sparse
  3. dense
  4. source-specific

Answer(s): A



Which two statements describe source trees in a multicast environment? (Choose two.)

  1. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic
  2. Source trees create an optimal path between the source and the receivers
  3. Source trees use a single common root placed at some chosen point in the network
  4. Source trees can introduce latency in packet delivery
  5. Source trees can create suboptimal paths between the source and the receivers

Answer(s): A,B



Which two best practices must be followed when designing an out-of-band management network? (Choose two.)

  1. Enforce access control
  2. Facilitate network integration
  3. Back up data using the management network
  4. Ensure that the management network is a backup to the data network
  5. Ensure network isolation

Answer(s): A,E



What is a benefit of using VRRPv3 as compared to VRRPv2?

  1. VRRPv3 supports IPv4 and IPv6
  2. VRRPv3 supports authentication
  3. VRRPv3 supports preemption
  4. VRRPv3 supports stateful switchover

Answer(s): A



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