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Free 300-420 Questions for Cisco 300-420 Exam as PDF & Practice Test Software

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Total 242 questions

Question 1

A customer reports that each time a networking component fails, OSPF recalculates the backup path, with causes a short outage. Which solution must the customer implement to improve this situation?



Question 2

A network engineer must design an MSDP multicast solution to provide RP resilience in a network with two separate domains. Also, multicast sources and receivers must register with the local RP. Which solution must the engineer choose?



Answer : B

Both can be true and correct because if you check the link:

https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/115011-anycast-pim.html

Relevant running configurations

Nexus 1 relevant configuration:

ip pim rp-address 10.1.1.1 group-list 224.0.0.0/4

ip pim anycast-rp 10.1.1.1 192.168.1.1

ip pim anycast-rp 10.1.1.1 192.168.2.2

interface loopback1

ip address 192.168.1.1/32

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface loopback7

ip address 10.1.1.1/32

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface Ethernet9/2

ip address 10.7.7.1/24

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface Ethernet9/3

ip address 172.16.1.2/24

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode


Question 3

Refer to the exhibit.

The failover time of ISP-2 is significantly shorter than ISP-1 when an interface on the ISP router toward the campus network fails. Which solution minimizes the downtime to the sub-second?



Question 4

Refer to the exhibit.

An architect is designing an EIGRP solution based on these requirements:

* Traffic forwarding should use the best two paths while all links are available

* Single path failure must not impact traffic between branch and HQ

Which solution must the architect select?



Answer : D

ENSLD cert guide page 113. shortest path = 900, next 1700 and finally 3300 for the worst path. Witch variance 2, all routes under 1800 (900x2) become active.


Question 5

Which two overlay network design considerations must be made for a Cisco SD-Access network? (Choose two.)



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Total 242 questions