Cisco dumpskey helping Hand Questions For 300-420 by Pia q158 vce pdf

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Exam Name:	Designing Cisco Enterprise Networks (ENSLD)
Exam Code:	300-420 Dumps
Vendor:	Cisco	Certification:	CCNP Enterprise
Questions:	339 Q&A's	Shared By:	pia

Question 76

Questions 76

Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled. When the primary switch comes back after a failure, traffic is initially dropped. Which solution must be implemented to improve the design?

Options:

Increase the hello timers on both HSRP devices

Use the preempt delay feature on the primary HSRP device.

Use the preempt delay feature on the backup HSRP device

Configure a higher mac-refresh interval on both HSRP devices

Discussion

Question 77

Questions 77

Refer to the exhibit. An engineer must ensure that the QoS design guarantees bandwidth for the applications, and an application can request a particular type of service to support its delay requirements. Which solution must the engineer select?

Options:

Diffserv with RSVP

IntServ with RSVP

Diffserv with DSCP

IntServ with DSCP

Discussion

Question 78

Refer to the exhibit.

Questions 78

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:

Any Source Multicast

Bidirectional PIM

Source-Specific Multicast

Multicast VPN

Discussion

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Question 79

Which design achieves SD-WAN control plane redundancy?

Options:

Configuring BFD on the WAN Edge routers

Using multiple instances of vManage in clusters

Deploying using a virtual platform like UCS or CSP

Managing the underlay network with OMP

Discussion