Free Cisco 300-420 Exam Questions

Become Cisco Certified with updated 300-420 exam questions and correct answers

Page: 1 / 77

Total 381 Questions | Updated On: Jun 03, 2026

Add To Cart

Question 1

Refer to the exhibit An engineer is designing an OSPF solution with these requirements: NMS server will manage R5 and R6. Upon failure of R1. all NMS traffic should be routed through R4. Upon failure of the link between R5 and R6. all traffic destined for 10.6.6.6 should be routed through R4 Which solution must the engineer choose?

A : Advertise 172.16.1.1 into OSPF process 1 with high cost on R1.

B : Apply static routes on R2 and R3 with IP SLA tracking toward R5 and R6.

C : Enable the default-Information originate command with a higher metric on R2 to R1.

D : Redistribute OSPF process 1 into process 2 on R1 and R4.

Answer: D

Question 2

A customer’s environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?

A : utilize NAT64 to translate the addresses

B : Implement NAT44 at the edge of the customer network

C : use 6to4 and a tunnel to translate the addresses

D : implement 6PE to resolve hostname resolution

Answer: A

Question 3

How is redundancy achieved among Cisco vBond Orchestrators in a Cisco SD-WAN deployment?

A : The IP addresses of all Orchestrators are mapped to a single DNS name.

B : The closest Orchestrator to each Cisco WAN Edge router is selected.

C : Cisco WAN Edge routers are configured with all Orchestrators using their IP addresses and priority.

D : A single Cisco Orchestrator is deployed in each network.

Answer: A

Question 4

Which two routing protocols allow for unequal cost load balancing? (Choose two.)

A : EIGRP

B : IS-IS

C : BGP

D : OSPF

E : RIPng

Answer: A,C

Question 5

Which control plane protocol is responsible for ElD-to-RLOC mapping concerning SO-Access Architecture?

A : GBAC

B : LISP

C : CEF

D : VXLAN

Answer: B

Page: 1 / 77

Total 381 Questions | Updated On: Jun 03, 2026

Add To Cart