Cisco 300-420 Exam Questions & Answers

How are wireless endpoints registered in the HTDB in a Cisco SD-Access architecture?

A. Fabric edge nodes update the HTDB based on CAPPWAP messaging from the AP

B. Fabric WLCs update the HTDB as new clients connect to the wireless network

C. Border nodes first register endpoints and then update the HTDB

D. Fabric APs update the HTDB with the clients' ElD and RLOC

Refer to the exhibit.

An architect must design an IPv6 migration solution for an enterprise customer to support these requirements:

1.

Clients will transition to the new IPv6 network, which provides NAT64 and IPv6 DNS resolution services, using the same DNS name that points to the IPv4 address.

2.

The service provider will create a client-facing IPv6 interface with a new IPv6 virtual address that points to the same IPv4 DNS server.

3.

The service provider will support clients that use global IPv6 addresses and encapsulate IPv4 packets into IPv6 tunnels.

Which two migration solutions must the architect choose? (Choose two.)

A. Use dual-stack lite from the MPLS network to the IGR.

B. Use IPv6 tunneling from the devices to the core MPLS network.

C. Use dual-stack lite from the devices to the core MPLS network.

D. Use NAT44/64 from the MPLS network to the IGR.

E. Use NAT44/64 from the devices to the core MPLS network.

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?

A. TLOC

B. RLOC

C. LISP PITR

D. DTLS