300-420 Cisco Exam Questions and Free Practice Test

Question 7

When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)

A. nonbroadcast multiaccess

B. multiaccess

C. point-to-multipoint

D. nonbroadcast

E. point-to-point

Correct Answer:BE

Question 8

An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model must the engineer choose?

A. Native

B. IEEE

C. OpenConfig

D. IETF

Correct Answer:D

Question 9

A company with multiple service providers wants to speed up BGP convergence time in the event a failure occurs with their primary link. Which approach achieves this goal and does not impact router CPU utilization?

A. Utilize BFD and tune the multiplier to 50

B. Lower the BGP hello interval

C. Decrease the BGP keepalive timer

D. Utilize BFD and keep the default BGP timers

Correct Answer:C

Question 10

A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?

A. dual stack

B. 6VPE

C. 6to4

D. NAT64

Correct Answer:A

Question 11

Which feature must be incorporated into the campus LAN design to enable Wake on LAN?

A. dynamic ARP Inspection Snooping on layer 2 devices

B. directed broadcasts on layer 3 devices

C. proxy ARP on layer 3 devices

D. DHCP Snooping on layer 2 devices

Correct Answer:B

Question 12

Which method will filter routes between EIGRP neighbors within the same autonomous system?

A. distribute-list

B. policy-based routing

C. leak-map

D. route tagging

Correct Answer:A

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