300-420 Practice Test

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

A.

utilizing forward error correction

B.

implementing a stateful application firewall

C.

implementing AMP

D.

utilizing quality of service

E.

implementing Cisco Umbrella

The customer solution requires QoS to support streaming multimedia over a WAN. An architect chooses to use Per-Hop Behavior. Which solution should the engineer use to of mark traffic traveling between branch sites?

A.

LLQ with DSCP EF

B.

CBWFQ with DSCP AF3

C.

CBWFQ with DSCP AF2

D.

LLQ with DSCP AF4

What is the purpose of a control plane node in a Cisco SD-Access network fabric?

A.

to maintain the endpoint database and mapping between endpoints and edge nodes

B.

to detect endpoints in the fabric and inform the host tracking database of EID-to-fabricedge node bindings

C.

to identify and authenticate endpoints within the network fabric

D.

to act as the network gateway between the network fabric and outside networks

Drag and drop the elements from the left onto the YANG models where they and used on the right.

Which two statements describe source trees in a multicast environment? (Choose two.)

A.

Source trees guarantee the minimum amount of network latency for forwarding
multicast traffic

B.

Source trees create an optimal path between the source and the receivers

C.

Source trees use a single common root placed at some chosen point in the
network

D.

Source trees can introduce latency in packet delivery