Free Cisco 300-420 Exam Questions

Become Cisco Certified with updated 300-420 exam questions and correct answers

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Total 342 Questions | Updated On: Nov 13, 2019

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Question 1

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

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

Answer: C

Question 2

Which AES mode should be used in a Cisco SD-WAN environment that includes multicast applications?

A : Cipher Feedback (CFB)

B : Cipher Block Chaining (CBC)

C : Galois/Counter Mode (GCM)

D : Electronic Code Book (ECB)

Answer: C

Question 3

In PIM sparse mode, if an RPF check is successful on a multicast-enabled device, what happens to the multicast packet?

A : It is forwarded to all interfaces within the OIL.

B : It is forwarded to all interfaces except for the receiving interface.

C : Forwarded packets are dropped to prevent looping.

D : It is forwarded to all PIM-enabled interfaces.

Answer: A

Question 4

Which protocol is deployed through LAN automation to build node-to-node underlay adjacencies in SDA?

A : IS-IS

B : OLISP

C : OSPF

D : VXLAN

Answer: A

Question 5

A company is planning to open two new branches and allocate the 2a01:c30:16:7009::3800/118 IPv6 network for the region. Each branch should have the capacity to accommodate maximum of 200 hosts. Which two networks should the company use? (Choose two.)

A : 2a01:0c30:0016:7009::3a00/120

B : 2a01:0c30:0016:7009::3b00/121

C : 2a01:0c30:0016:7009::3a80/121

D : 2a01:0c30:0016:7009::3b00/120

E : 2a01:0c30:0016:7009::3c00/120

Answer: A,D

Page: 1 / 69

Total 342 Questions | Updated On: Nov 13, 2019

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