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CCNP Enterprise 300-420 Cisco Study Notes

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Question 24

A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new solution provide backward compatibility with the current solution. Which technology should the design include?

Options:

A.

expedited forwarding

B.

assured forwarding

C.

class selector code points

D.

default per hop behavior

Question 25

A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, but due to circuit delays to HQ, it

decides to connect the new branch office to the creating branch office as a temporary measure. The new branch office is assigned area 2. Which OSPF configuration enables all three locations to exchange routes?

Options:

A.

The existing branch office must be configured as a stub area

B.

A virtual link must be configured between the new branch office and HQ

C.

A sham link must be configured between the new branch office and HQ

D.

The new branch office must be configured as a stub area

Question 26

Refer to the exhibit.

A network engineer must improve the current IS-IS environment. The Catalyst switch is equipped with dual supervisors. Each time a stateful switchover occurs, the network experiences unnecessary route recomputation. Which solution addresses this issue if the upstream router does not understand graceful restart messaging?

Options:

A.

Enable IS-IS remote LFA FRR on both devices.

B.

Enable NSR on the switch.

C.

Enable NSF on the switch.

D.

Configure ISIS aggressive timers on both devices.

Question 27

Which queuing structure is used on SD-WAN Edge routers?

Options:

A.

FIFO

B.

LLQ+WFQ

C.

1P-4Q-2T

D.

Priority

Page: 6 / 8
Exam Code: 300-420
Exam Name: Designing Cisco Enterprise Networks (ENSLD)
Last Update: Apr 23, 2024
Questions: 242
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