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Cisco 300-420 Practice Test - Questions Answers, Page 11

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Question 101

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A customer’s environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?

utilize NAT64 to translate the addresses

utilize NAT64 to translate the addresses

Implement NAT44 at the edge of the customer network

Implement NAT44 at the edge of the customer network

use 6to4 and a tunnel to translate the addresses

use 6to4 and a tunnel to translate the addresses

implement 6PE to resolve hostname resolution

implement 6PE to resolve hostname resolution

Suggested answer: A
asked 07/10/2024
Marco Di Munno
37 questions

Question 102

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Refer to the exhibit.

Cisco 300-420 image Question 102 112000 10072024005836000000

Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making router R2 the active HSRP router. Which two solutions should the engineer choose? (Choose two.)

Implement Enhanced Object Tracking on router R1

Implement Enhanced Object Tracking on router R1

use a floating static route

use a floating static route

Implement IP SLA on router R1

Implement IP SLA on router R1

Implement PBR on router R1

Implement PBR on router R1

use IP source routing

use IP source routing

Suggested answer: A, C
asked 07/10/2024
rene laas
56 questions

Question 103

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An architect must address sustained congestion on the access and distribution uplink of network.

QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improver network performance? (Choose two)

Reconfigure QoS based on the IntServ model

Reconfigure QoS based on the IntServ model

Utilize random early detection to manage queues

Utilize random early detection to manage queues

Implement higher-speed uplink interfaces

Implement higher-speed uplink interfaces

Bundle additional uplinks into logical EtherChannels

Bundle additional uplinks into logical EtherChannels

Configure selective packet discard to drop noncritical network traffic.

Configure selective packet discard to drop noncritical network traffic.

Suggested answer: B, E
asked 07/10/2024
Harri rrapaj
34 questions

Question 104

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Refer to the exhibit.

Cisco 300-420 image Question 104 112002 10072024005836000000

Refer to the exhibit. The connection between SW2 and SW3 is fiber and occasionally experiences unidirectional link failure. An architect must optimize the network to reduce the change of layer2 forwarding loops when the link fails. Which solution should the architect include?

Utilize 8PDU filter on SW3.

Utilize 8PDU filter on SW3.

Utilize loop guard on SW2

Utilize loop guard on SW2

Utilize BPDU guard on SW1

Utilize BPDU guard on SW1

Utilize root guard on SW1.

Utilize root guard on SW1.

Suggested answer: B
asked 07/10/2024
Azfar khan
46 questions

Question 105

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Refer to the exhibit.

Cisco 300-420 image Question 105 112003 10072024005836000000

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?

Increase the hello timers on both HSRP devices

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 primary HSRP device.

Use the preempt delay feature on the backup HSRP device

Use the preempt delay feature on the backup HSRP device

Configure a higher mac-refresh interval on both HSRP devices

Configure a higher mac-refresh interval on both HSRP devices

Suggested answer: B
asked 07/10/2024
Miles Greenyer
43 questions

Question 106

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Refer to the exhibit.

Cisco 300-420 image Question 106 112004 10072024005836000000

Refer to the exhibit. An architect must design a solution to connect the network behind R3 with the EIGRP network. Which mechanism should be included to avoid routing loops?

split-horizon

split-horizon

summarization

summarization

down bit

down bit

route tags

route tags

Suggested answer: D
asked 07/10/2024
William Takashi Chan
37 questions

Question 107

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Refer to the exhibit.

Cisco 300-420 image Question 107 112005 10072024005836000000

Refer to the exhibit. A customer needs to apply QoS to the network management traffic passing through the GigabitEthernet0/2 interface. All eight queuing classes are in use, so the new requirement must be integrated into the existing policy. Which solution must the customer choose?

Mark traffic to DSCP CS5 and assign it to the SIGNALLING class. Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the SIGNALLING class.

Mark traffic to DSCP CS5 and assign it to the SIGNALLING class. Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the SIGNALLING class.

Mark the traffic to DSCP CS4 and assign it to the SIGNALLING class. Then, prioritize traffic within the class.

Mark the traffic to DSCP CS4 and assign it to the SIGNALLING class. Then, prioritize traffic within the class.

Mark the traffic to DSCP CS6 and assign it to the ROUTING class Then, prioritize traffic within the class.

Mark the traffic to DSCP CS6 and assign it to the ROUTING class Then, prioritize traffic within the class.

Mark the traffic to DSCP CS2 and assign it to the ROUTING class Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the ROUTING class

Mark the traffic to DSCP CS2 and assign it to the ROUTING class Then, baseline existing queue sizes to determine if additional bandwidth can be provisioned to the ROUTING class

Suggested answer: D
asked 07/10/2024
Jim Apple
50 questions

Question 108

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A customer requests a VPN solution to connect multiple sites with the company headquarters. All the sites use the same IP subnet. The engineer plans to use VPLS. Which solutions must the engineer include in the design?

802.1Q connectivity on the LAN side of the CE

802.1Q connectivity on the LAN side of the CE

route exchange with the service provider

route exchange with the service provider

address translation to hide overlapping subnets

address translation to hide overlapping subnets

different VLANs on each site

different VLANs on each site

Suggested answer: A
asked 07/10/2024
Dario Esposito
40 questions

Question 109

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What is the purpose of a Cisco SD-Access underlay network?

to abstract IP-based connectivity from physical connectivity

to abstract IP-based connectivity from physical connectivity

to emulate LAN segments to transport Layer 2 frames over a Layer 3 network

to emulate LAN segments to transport Layer 2 frames over a Layer 3 network

to establish physical connectivity between switches and routers

to establish physical connectivity between switches and routers

to provide virtualization by encapsulating network traffic over IP tunnels

to provide virtualization by encapsulating network traffic over IP tunnels

Suggested answer: C
asked 07/10/2024
Kevin Suckiel
51 questions

Question 110

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Refer to the exhibit.

Cisco 300-420 image Question 110 112008 10072024005836000000

Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does not want to be advertised to the internet. Which solution should the architect use to accomplish this?

Set the BGP Internet community for all prefixes.

Set the BGP Internet community for all prefixes.

Implement the NOPEER community.

Implement the NOPEER community.

Use the BGP No-Advertise community for the prefixes to exclude.

Use the BGP No-Advertise community for the prefixes to exclude.

Attach the No-Export community with the prefixes to exclude

Attach the No-Export community with the prefixes to exclude

Suggested answer: D
asked 07/10/2024
Wellington Rodrigues da Costa
41 questions
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