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Cisco Updated 300-420 Exam Questions and Answers by dhruv

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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: 242 Q&A's Shared By: dhruv
Question 12

A company plans to transition to IPv6. They will link their IPv4 addresses to the lowest significant bits of the new Ipv6 addresses. A network administrator with an employee id: 4264:42:116 is preparing a mapping schema for the new IPv6 addresses. Which address does the 172.16.10.0/24 network translate to?

Options:

A.

2001:db8:abcd::ac10:a00/120

B.

2001:db8:abcd:172:16:10::/96

C.

2001:db8:abcd:11d8:a00/120

D.

2001:db8:ac10:0a00::/64

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Question 13

Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)

Options:

A.

Use Bidirectional Forwarding Detection

B.

Merge all the areas into one backbone area

C.

Tune OSPF parameters

D.

Make all non-backbone areas stub areas

E.

Span the same IP network across multiple areas.

Discussion
Question 14

Refer to the exhibit.

Questions 14

A network engineer must design a multicast solution based on:

* Many-to-many communications between the users and sources

* Support of up to 50 multicast sources

* Users that must register for steams

Which multicast solution must the engineer select?

Options:

A.

Any Source Multicast

B.

Bidirectional PIM

C.

Source-Specific Multicast

D.

Multicast VPN

Discussion
Question 15

An existing network solution is using BFD in echo mode. Several of the network devices are experiencing high CPU utilization which an engineer has determined is related to the BFD feature. Which solution should the engineer leverage to reduce the CPU load?

Options:

A.

Implement slow timers between peers with low CPU resources.

B.

Implement BED asynchronous mode between peers with low CPU resources.

C.

Enable BFD multi-hop on the devices with low CPU resources.

D.

Utilize carrier delay on all routers in the network.

Discussion
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