Exam Code: 300-320 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Designing Cisco Network Service Architectures
Certification Provider: Cisco
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Q141. Which statement about vPC technology is true?
A. It allows a device to connect to two separate upstream devices as if they were a single device.
B. It provides the ability to pair two servers in the data center.
C. It promotes better STP designs in the switching infrastructure.
D. It supports IEEE 802.1Q only.
Q142. 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
Q143. DRAG DROP
Q144. Which three options are features of IP SLAs? (Choose three.)
A. enables verification of service guarantees
B. dynamically adjusts QoS parameters
C. validates network performance and metrics
D. initiates failover for saturated links
E. proactively identifies network related issues
Q145. Which protocol should be configured if a network administrator has the following requirements?
. Multiple physical gateways participating simultaneously in packet forwarding.
. All hosts in the VLAN configured with the same default gateway address.
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Q146. Refer to the exhibit.
The Cisco Nexus 1000V in the VMware vSphere solution effectively creates an additional access layer in the virtualized data center network; which of the following 1000V characteristics can the designer take advantage of?
A. Offloads the STP requirement from the external Access layer switches
B. If upstream access switches do not support vPC or VSS the dual-homed ESX host traffic can still be distributed using virtual port channel host mode using subgroups automatically discovered through CDP
C. Allows transit traffic to be forwarded through the ESX host between VMNICs
D. Can be divided into multiple virtual device contexts for service integration, enhanced
security, administrative boundaries, and flexibility of deployment
Q147. Which technology can block interfaces and provide a loop-free topology?
Q148. Which technology fulfills these requirements?
. Utilize a connection that must support a range of traffic, voice, video, and data.
. This traffic must also support transmission via a fixed blank 53-byte cell.
B. Frame Relay
Q149. Which option is a common cause of congestion found in a campus network?
A. input serialization delay
B. output serialization delay
C. Rx-queue starvation
D. Tx-queue starvation
Q150. Which protocol is required for end-to-end signaling in an IntServ QoS architecture?