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300-420 Exam Dumps - Designing Cisco Enterprise Networks (ENSLD)

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Question # 41

A customer is undergoing a WAN re-architecture and wants to design QoS policies for remote sites that have low bandwidth. What must be considered to have CBWFQ configured in the parent and child policies in an end-to-end QoS design?

A.

CBWFQ is only supported in the child policy.

B.

CBWFQ is only supported in the parent policy.

C.

Traffic shaping is required in the parent policy.

D.

Traffic policing is required in the child policy.

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Question # 42

An engineer working for a service provider with an employee ID: 4863:43:939 must design a solution to provide remote connectivity over the public internet. The design must:

    securely connect multiple remote sites to the central site

    provide redundant paths to the central site

    allow auto path selection based on failure and connection quality

    support IP multicast

    minimal configuration at remote sites

Which solution must the engineer choose?

A.

MPLS provided service with BGP

B.

dual DMVPN with EIGRP routing

C.

full mesh OSPF with IPsec tunnels

D.

full mesh ISIS with GRE tunnels and IPsec

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Question # 43

Refer to the exhibit.

A customer is running HSRP on the core routers. Over time the company has grown and requires more

network capacity. In the current environment, some of the downstream interfaces are almost fully utilized, but

others are not. Which solution improves the situation?

A.

Make router R2 active for half of the VLANs.

B.

Add more interfaces to R1 and R2.

C.

Configure port channel toward downstream switches.

D.

Enable RSTP on the downstream switches.

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Question # 44

A company is running BGP on a single router, which has two connections to the same ISP. Which BGP

feature ensures traffic is load balanced across the two links to the ISP?

A.

Multihop

B.

Multipath Load Sharing

C.

Next-Hop Address Tracking

D.

AS-Path Prepending

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Question # 45

An engineer must design an in-band management solution for a customer with branch sites. The solution must allow remote management of the branch sites using management protocols over an MPLS WAN. Queueing is implemented at the remote sites using these classes:

How must the solution prioritize the management traffic over the WAN?

A.

Mark the traffic with DSCP CS1 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to CIass3.

B.

Mark the traffic with DSCP CS6 and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2

C.

Mark the traffic with DSCP EF and map into Class1 with a minimum bandwidth assigned by reducing the bandwidth available to Class2.

D.

Mark the traffic with DSCP CS2 and map into Class2 with a minimum bandwidth assigned by reducing the bandwidth available to Class3

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Question # 46

Refer to the exhibit. An engineer must design an address translation solution to provide Internet connectivity for the corporate network. The design Is restricted to the 172.16.168.0/22 subnet. Which solution must the engineer choose?

A.

stateful NAT64

B.

stateless NAT64

C.

stateful NAT66

D.

stateless NAT66

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Question # 47

An engineer is designing a QoS solution for a campus. The design must guarantee real-time traffic delivery during congestion, minimize the bandwidth consumption for possible virus or worm attacks, and reduce flooding of excessive traffic during times of congestion. Which two solutions must the engineer select? (Choose two.)

A.

Create a shaping policy to drop excessive traffic and a strict queue for real-time traffic.

B.

Apply queuing on the distribution to core links

C.

Create a policing policy to drop excessive traffic and a strict queue for real-time traffic.

D.

Create a scavenger queue for excessive traffic and a strict queue for real-time traffic

E.

Apply queuing on the access to distribution links.

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Question # 48

An architect is designing how the company will manage the infrastructure of a large data center. The company wants to group device types for security reasons and mitigate DoS attacks. The company also wants to ensure that access to the rest of the production network is not possible if one device is compromised on the management plane. Which solution must the architect choose?

A.

in-band dial-up circuit

B.

in-band Ethernet

C.

out-of-band Ethernet

D.

out-of-band dial-up circuit

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