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300-420 Exam Dumps : Designing Cisco Enterprise Networks (ENSLD)

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Designing Cisco Enterprise Networks (ENSLD) Questions and Answers

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Question 1

An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?

Options:

A.

Migrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches.

B.

Align HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches.

C.

Migrate to a Layer 3 access campus design if the APs can run on separate VLANs.

D.

Align HSRP primary and STP root bridges if the APs cannot run on separate VLANs.

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Question 2

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

Question 3

An engineer is designing a QoS solution for a customer The customer's internet connection has a bandwidth of 10 Mbps. The design must ensure that traffic bursts of data do not exceed the bandwidth of the connection and that received traffic does not starve out business-critical traffic Which solution must the engineer choose?

Options:

A.

Configure the queuing default queue for shaping inbound and policing outbound.

B.

Configure the queuing default queue for shaping inbound and policing inbound.

C.

Configure the queuing default queue for shaping outbound and policing inbound.

D.

Configure the queuing default queue for shaping outbound and policing outbound.

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