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Cisco 300-420 Practice Test - Questions Answers

List of questions

Question 1

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Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?

External fusion routers can be used to map VNs to VRFs and selectively route traffic between VRFs.

External fusion routers can be used to map VNs to VRFs and selectively route traffic between VRFs.

GRE tunneling can be configured between fabric edges to connect one VN to another.

GRE tunneling can be configured between fabric edges to connect one VN to another.

SGTs can be used to permit traffic from one VN to another.

SGTs can be used to permit traffic from one VN to another.

Route leaking can be used on the fabric border nodes to inject routes from one VN to another.

Route leaking can be used on the fabric border nodes to inject routes from one VN to another.

Suggested answer: B
asked 07/10/2024
Christian Andrew TANAP
49 questions

Question 2

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An engineer must design a VPN solution for a company that has multiple branches connecting to a main office. What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choose two.)

support for AES 256-bit encryption

support for AES 256-bit encryption

greater scalability

greater scalability

support for anycast gateway

support for anycast gateway

lower traffic overhead

lower traffic overhead

dynamic spoke-to-spoke tunnels

dynamic spoke-to-spoke tunnels

Suggested answer: B, E
asked 07/10/2024
Rakesh Prasad
29 questions

Question 3

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Which NETCONF operation creates filtering that is specific to the session notifications?

<create-subscription>

<create-subscription>

<commit>

<commit>

<notification>

<notification>

<logging>

<logging>

Suggested answer: A
asked 07/10/2024
Jacobo Montes
39 questions

Question 4

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An enterprise customer has these requirements: end-to-end QoS for the business-critical applications and VoIP services based on CoS marking. flexibility to offer services such as IPv6 and multicast without any reliance on the service provider. support for full-mesh connectivity at Layer 2.

Which WAN connectivity option meets these requirements?

VPWS

VPWS

MPLS VPN

MPLS VPN

DMVPN

DMVPN

VPLS

VPLS

Suggested answer: D
asked 07/10/2024
Michael Craig
48 questions

Question 5

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

VRRPv3 supports IPv4 and IPv6

VRRPv3 supports IPv4 and IPv6

VRRPv3 supports authentication

VRRPv3 supports authentication

VRRPv3 supports preemption

VRRPv3 supports preemption

VRRPv3 supports stateful switchover

VRRPv3 supports stateful switchover

Suggested answer: A
asked 07/10/2024
P. Kriek
47 questions

Question 6

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A customer is discussing QoS requirements with a network consultant. The customer has specified that end-to-end path verification is a requirement. Which QoS solution meets this requirement?

IntServ model with RSVP to support the traffic flows

IntServ model with RSVP to support the traffic flows

DiffServ model with PHB to support the traffic flows

DiffServ model with PHB to support the traffic flows

marking traffic at the access layer with DSCP to support the traffic flows

marking traffic at the access layer with DSCP to support the traffic flows

marking traffic at the access layer with CoS to support the traffic flows

marking traffic at the access layer with CoS to support the traffic flows

Suggested answer: A
asked 07/10/2024
Simone Perego
52 questions

Question 7

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Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?

Embedded RP

Embedded RP

BSR

BSR

Auto-RP

Auto-RP

Static RP

Static RP

Suggested answer: B
asked 07/10/2024
Paul Shortt
43 questions

Question 8

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Which QoS feature responds to network congestion by dropping lower priority packets?

CBWFQ

CBWFQ

tail drop

tail drop

WRED

WRED

strict priority

strict priority

Suggested answer: C
asked 07/10/2024
Son Pham Hong
52 questions

Question 9

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Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)

advertise-best-external

advertise-best-external

bestpath as-path ignore

bestpath as-path ignore

client-to-client reflection

client-to-client reflection

as-override

as-override

allow-as-in

allow-as-in

Suggested answer: D, E
asked 07/10/2024
Narmada Balaji
33 questions

Question 10

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A company is running BGP on a single router, which has two connections to the same ISP. Which BGP feature ensures traffic is load balanced across the two links to the ISP?

Multihop

Multihop

Multipath Load Sharing

Multipath Load Sharing

Next-Hop Address Tracking

Next-Hop Address Tracking

AS-Path Prepending

AS-Path Prepending

Suggested answer: B
asked 07/10/2024
Albaladejo Joffrey
41 questions
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