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

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Question # 73

Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)

extended border

edge border

internal border

anywhere border

intermediate border

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Question # 74

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.)

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

metric-style transition enabled on all routers

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

metric-style transition enabled on C1 and C2

metric-style transition enabled on E1 and E2

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Question # 75

Drag and drop the types of WAN connectivity from the left onto the connectivity use cases on the right.

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Question # 76

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 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 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

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Question # 77

Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R4. Which solution should the design include?

Use update-source to specify the Loopback interface.

Use next-hop-serf attributes only for routes that are learned from eBGP peers.

Configure the eBGP TTL to support eBGP multihop.

Use maximum-paths to install multiple paths in the routing table.

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Question # 78

An engineer is designing an enterprise campus network. The LAN infrastructure consists of switches from multiple vendors, and Spanning Tree must be used as a Layer 2 loop prevention mechanism. All configured

VLANs must be grouped in two SIP instances. Which standards-based Spanning Tree technology supports this design solution?

MSTP

RSTP

Rapid PVST

STP

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Question # 79

An engineer must design a QoS solution for a customer that is connected to an ISP over a 1Gbps link with a 100Mbps CIR. The ISP aggressively drops all traffic received over which is causing numerous TCP retransmissions. The customer is not using any RTP applications but wants to maximize bandwidth usage up to the CIR. Which QoS solution engineer choose?

Policing

Traffic shaping

Policer with markdown

Queuing

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Question # 80

Refer to the exhibit A network administrator plans to announce the site subnets to the WAN using route summarization instead of announcing every subnet. What is the smallest summary route that should be used to encompass all subnets at the site?

2001:DB8:ABCD:0003::/60

2001:DB8::732

2001:DB8:ABCD::760

2001 DB8 ABCD /64

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