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300-420 Exam Questions & Answers

Exam Code: 300-420

Exam Name: Designing Cisco Enterprise Networks (ENSLD)

Updated: Apr 27, 2024

Q&As: 342

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Practice These Free Questions and Answers to Pass the CCNP Exam

Questions 1

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

A. IntServ model with RSVP to support the traffic flows

B. DiffServ model with PHB to support the traffic flows

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

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

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Questions 2

Which design consideration must be made when dual vEdge routers are deployed at a branch site?

A. Use BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch.

B. HSRP priorities must match the OMP routing policy to prefer one vEdge over the other.

C. Traffic must be symmetrical as it egresses the vEdges and returns from remote sites for DPI to function properly.

D. Configure BFD between vEdge routers to detect sub-second link failures.

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Questions 3

When IPsec VPNs are designed, what is a unique requirement if support for IP Multicast is required?

A. encapsulation of traffic with GRE or VTI

B. IPsec forwarding using transport mode

C. additional bandwidth for headend

D. IPsec forwarding using tunnel mode

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Questions 4

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

A. VRRPv3 supports IPv4 and IPv6

B. VRRPv3 supports authentication

C. VRRPv3 supports preemption

D. VRRPv3 supports stateful switchover

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Questions 5

A company uses cloud-based applications for voice and video calls, file sharing, content sharing, and messaging. During business hours, these applications randomly become slow and unresponsive. However, other applications work smoothly with the current applied QoS polices. Which solution must the company choose to resolve the issue?

A. Identify the applications with NBAR2 and allocate the required bandwidth accordingly.

B. Identify the port used by each application and apply a minimum bandwidth guarantee.

C. Identify the applications and reserve the required bandwidth on the perimeter routers.

D. Identify the application ports, create groupings, and rate-limit the required bandwidth.

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