Test Online Free Cisco 300-420 Exam Questions and Answers
Practice a live sample before buying full access. This page keeps the free 300-420 question set organized by page so visitors and search engines can reach the canonical -questions.html URL directly.
A network administrator is troubleshooting a DMVPN setup between the hub and the spoke.
Which action should the administrator take before troubleshooting the IPsec configuration?
Answer:
Question 77Written Answer
DRAG DROP
Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right.
An architect is creating a migration strategy for a large organization in which the choice made by the application between IPv6 and IPv4 is based on the DNS request.
Which migration strategy does the architect choose?
Answer:
Question 79Written Answer
DRAG DROP
Drag and drop the elements from the left onto the protocols where they are used on the right.
Answer:
Explanation:
Graphical user interface, application
Description automatically generated
Question 80Selectable Answer
Which method does Cisco SD-WAN use to avoid fragmentation issues?
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end.
Which QoS architecture model meets these requirements?
Answer:
Question 82Selectable Answer
A network engineer must segregate three interconnected campus networks using IS-IS routing. A two-layer hierarchy must be used to support large routing domains and to avoid more specific routes from each campus network being advertised to other campus network routers automatically.
Which two actions does the engineer take to accomplish this segregation? (Choose two.)
Answer:
Question 83Selectable Answer
Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)
Answer: Explanation:
There are 3 types of border nodes in SD-Access:
External. Default exit from fabric with no specific routes injection
Internal. Gateway only for a set of networks, such as shared services prefixes Anywhere. Combination of external and internal functionality
Question 84Selectable Answer
Refer to the exhibit.
An architect reviews the low-level design of a company's enterprise network and advises optimizing the STP convergence time.
Which functionality must be to Gi1/0/1-10 to follow the architect's recommendation?
Answer:
Question 85Selectable Answer
Which control-plane technology allows the same subnet to exist across multiple network locations?
When a first hop redundancy solution is designed, which protocol ensures that load balancing occurs over multiple routers using a single virtual IP address and multiple virtual MAC addresses?
Answer:
Question 87Selectable Answer
How are wireless endpoints registered in the HTDB in a Cisco SD-Access architecture?
Answer: Explanation:
Question 88Selectable Answer
Which type of rendezvous point deployment is standards-based and support dynamic RP discovery?
Answer:
Question 89Selectable Answer
An engineer uses Postman and YANG to configure a router with:
Which get-config replay verifies that the model set was designed correctly?
Answer:
Question 90Written Answer
DRAG DROP
Drag and drop the descriptions from the left onto the categories they apply to on the right.
