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Cisco Updated 300-420 Exam Questions and Answers by rosemary

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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: rosemary
Question 48

A company’s branch location uses redundant routers and links for connectivity to the headquarters. Also, to use the entire available bandwidth, the branch uses a dynamic routing protocol. An architect must design a multicast streaming solution to avoid RPF check failures because of the current network design. Which deployment model must the architect choose?

Options:

A.

PIM-SM

B.

BIDIR-PIM

C.

PIM-BSR

D.

PIM-SSM

Discussion
Question 49

What is the purpose of a border node in a Cisco SD-Access fabric?

Options:

A.

connect devices to a network

B.

perform traffic encapsulation and de-encapsulation

C.

perform network virtualization

D.

expand a network

Discussion
Question 50

An engineer is designing a WAN solution for a customer with teams in different branch locations that need to communicate The teams also need to access enterprise applications hosted in the data center and the cloud The customer also must provide guests with connectivity to the internet only, and the internet gateway is located in the data center Which solution must the engineer choose?

Options:

A.

WAN connectivity from a different service provider for guests

B.

firewall placed in data center that fitters any traffic from guests

C.

MPLS Layer 3 VPN with one VRF for corporate access and a separate VRF for guests

D.

MPLS Layer 3 VPN with a separate VRF for each branch location

Discussion
Question 51

Questions 51

Refer to the exhibit. An architect is designing an ISIS network for a customer migrating from IPv4 to IPv6. The current network uses narrow metrics, and the IPv6 areas will increase to 10 within the next two years. Also, IPv6 traffic must not blackhole in IPv4 network during the migration. Which two solutions must the architect choose? (Choose two.)

Options:

A.

multi-topology enabled under address-family ipv6 on C1 and C2

B.

metric-style transition enabled on all routers

C.

multi-topology enabled under address-family ipv6 on E1 and E2

D.

metric-style transition enabled on C1 and C2

E.

metric-style transition enabled on E1 and E2

Discussion
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