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Cisco Updated 300-420 Exam Questions and Answers by inaya

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Cisco 300-420 Exam Overview :

Exam Name: Designing Cisco Enterprise Networks (ENSLD)
Exam Code: 300-420 Dumps
Vendor: Cisco Certification: CCNP Enterprise
Questions: 339 Q&A's Shared By: inaya
Question 72

Refer to the exhibit.

Questions 72

An engineer must optimize the traffic flow of the network. Which change provides a more

efficient design between the access and the distribution layer?

Options:

A.

Add a link between access switch A and access switch B

B.

Reconfigure the distribution switch A to become the HSRP Active

C.

Change the link between distribution switch A and distribution switch B to be a routed link

D.

Create an EtherChannel link between distribution switch A and distribution switch B

Discussion
Question 73

An architect must address sustained congestion on the access and distribution uplink of network. QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improver network performance? (Choose two)

Options:

A.

Reconfigure QoS based on the IntServ model

B.

Utilize random early detection to manage queues

C.

Implement higher-speed uplink interfaces

D.

Bundle additional uplinks into logical EtherChannels

E.

Configure selective packet discard to drop noncritical network traffic.

Discussion
Question 74

A customer reports that each time a networking component fails, OSPF recalculates the backup path, with causes a short outage. Which solution must the customer implement to improve this situation?

Options:

A.

Aggressive OSPF timers

B.

LFA FRR

C.

Incremental SPF

D.

BFD

Discussion
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Question 75

Questions 75

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?

Options:

A.

PortFast

B.

root guard

C.

UplinkFast

D.

BPDU guard

Discussion
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