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2021 Mar 300-320 download
Q161. What WAN feature can prioritize real-time, IP-based applications when circuits may be saturated?
Q162. Addressing QoS design in the Enterprise Campus network for IP Telephony applications means what?
A. It is critical to identify aggregation and rate transition points in the network, where preferred traffic and congestion QoS policies should be enforced
B. Suspect traffic should be dropped closest to the source, to minimize wasting network resources
C. An Edge traffic classification scheme should be mapped to the downstream queue configuration
D. Applications and Traffic flows should be classified, marked and policed within the Enterprise Edge of the Enterprise Campus network
Q163. Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol? (Choose two.)
A. Summarize data center subnets.
B. Advertise a default route into the data center core from the aggregation layer.
C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.
D. Adjust the default bandwidth value to ensure proper bandwidth on all links.
Q164. Which of the following is most accurate with respect to designing high availability within the Enterprise Campus network?
A. High availability at and between the Distribution and Access layers is as simple as redundant switches and redundant Layer 3 connections
B. Non-deterministic traffic patterns require a highly available modular topology design
C. Distribution layer high availability design includes redundant switches and Layer 3 equal-cost load sharing connections to the switched Access and routed Core layers, with a Layer 3 link between the Distribution switches to support summarization of routing information from the Distribution to the Core
D. Default gateway redundancy allows for the failure of a redundant Distribution switch without affecting endpoint connectivity
Renewal 300-320 practice exam:
Q165. A network engineer is designing a network that must incorporate seamless failover when a link failure occurs between the core and distribution layer. What two technologies will allow this? (Choose two.)
Q166. Which route summarization most efficiently reduces perceived network complexity that is composed of subnetworks ranging from 172.16.20.0/24 to 172.16.36.0/24?
Q167. What Nexus technology avoids blocking links between the access layer and the aggregation layer in a data center network design?
Q168. Which protocol should be run on the LAN side of.two edge routers (that are terminating primary and backup WAN circuits) to provide quick failover in case of primary WAN circuit failure?
Q169. Which two types of authentication mechanisms can be used by VRRP for security? (Choose two.)
D. plaintext authentication