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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 architect is designing a network that will utilize the spanning tree protocol to ensure a loop-free topology. The network will support an engineering environment where it is necessary for end users to connect their own network switches for testing purposes. Which feature should the architect include in the design to ensure the spanning tree topology is not affected by these rogue switches?

Options:

A.

BPDU Skew Detection

B.

BPDU guard

C.

loop guard

D.

root guard

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Question 2

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?

Options:

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

Question 3

An architect is designing a network for an enterprise site. The design must use an active/backup design for the WAN. It must guarantee the SLA for several applications regardless of which connection is used. Which deployment model should the architect choose?

Options:

A.

MPLS WAN from two separate ISPs

B.

hybrid WAN using MPLS VPN and internet VPN from a single ISP

C.

hybrid WAN using MPLS VPN and internet VPN from two separate ISPs

D.

internet WAN from two separate ISPs

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