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Free Cisco 300-420 Practice Exam with Questions & Answers | Set: 10

Questions 91

Refer to the exhibit.

300-420 Question 91

An architect must design an IPv6 migration solution for an enterprise customer to support these requirements:

* Clients will transition to the new IPv6 network, which provides NAT64 and IPv6 DNS resolution services, using the same DNS name that points to the IPv4 address.

* The service provider will create a client-facing IPv6 interface with a new IPv6 virtual address that points to the same IPv4 DNS server.

* The service provider will support clients that use global IPv6 addresses and encapsulate IPv4 packets into IPv6 tunnels.

Which two migration solutions must the architect choose? (Choose two.)

Options:
A.

Use dual-stack lite from the MPLS network to the IGR.

B.

Use IPv6 tunneling from the devices to the core MPLS network.

C.

Use dual-stack lite from the devices to the core MPLS network.

D.

Use NAT44/64 from the MPLS network to the IGR.

E.

Use NAT44/64 from the devices to the core MPLS network.

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Questions 92

An engineer is designing a Layer 3 campus network running EIGRP between the core, aggregation, and access layers. The access layer switches will be connected to the aggregation layer using Layer 3 copper connections. The engineer wants to improve convergence time for access layer switch failures. Which technique must the design include?

Options:
A.

enabling BFD for EIGRP on the access layer uplinks

B.

reducing the EIGRP Hello / Hold timer values

C.

EIGRP summarization from core to aggregation layer

D.

EIGRP summarization from access to aggregation layer

Questions 93

What does the fabric data plane leverage in SD-Access Architecture?

Options:
A.

LISP protocol to resolve endpoint-to-location mapping

B.

IS-IS protocol to exchange link-state routing information

C.

MAC-in-IP encapsulation method to transport of the Layer 2 frame

D.

BGP protocol to advertise endpoint prefixes outside of the fabric

Questions 94

Which feature provides the capability for intra-VN traffic filtering and control within the Cisco SO-Access architecture?

Options:
A.

scalable groups

B.

MAC ACL

C.

prefix list

D.

service policy

Questions 95

An engineer is designing an EIGRP network for a small branch site where there is only one Layer 3 router. The engineer wants the router to advertise the local LAN network to remote EIGRP neighbors without sending any unnecessary multicast messages on the local LAN. Which action should the engineer take?

Options:
A.

Use a static default route for this site instead of EIGRP

B.

Advertise the local LAN using the network command and the passive-interface feature

C.

Redistribute the local LAN network using the redistribute connected command

D.

Advertise the local LAN subnet as a stub network

Questions 96

Which two techniques improve the application experience in a Cisco SD-WAN design? (Choose two.)

Options:
A.

utilizing forward error correction

B.

implementing a stateful application firewall

C.

implementing AMP

D.

utilizing quality of service

E.

implementing Cisco Umbrella

Questions 97

An engineer is designing a BGP network for a large customer. To permit efficient scaling, the BGP domain is split into clusters. Which peering solution should be used between the route reflectors in different clusters for the BGP routes to be propagated appropriately?

Options:
A.

The route reflectors should be made dents of each other.

B.

The route reflectors should be nonclients with regards to each other.

C.

The route reflectors should not have any kind of BGP peering.

D.

The route reflectors should have peering through another nonclient router.

Questions 98

300-420 Question 98

Refer to the exhibit. An architect must design a resilient gateway solution based on these requirements:

    VLAN 10 and VLAN 11 support voice and video applications.

    Link and node failures must have minimal impact on traffic.

    Provide protection against false hello packets.

    Support IPv6.

Which solution must the architect choose?

Options:
A.

GLBP with IP SLA tracking

B.

VRRP version 2 with authentication

C.

HSRP version 2 with MD5 authentication

D.

VRRP version 2 with object tracking

Questions 99

What is a benefit of using VRRPv3 as compared to VRRPv2?

Options:
A.

VRRPv3 supports IPv4 and IPv6

B.

VRRPv3 supports authentication

C.

VRRPv3 supports preemption

D.

VRRPv3 supports stateful switchover

Questions 100

300-420 Question 100

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?

Options:
A.

Use update-source to specify the Loopback interface.

B.

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

C.

Configure the eBGP TTL to support eBGP multihop.

D.

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

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