300-320 Exam
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Q131. Which QoS mechanism uses PHBs?
A. DiffServ
B. IntServ
C. CoS
D. ToS
Answer: A
Q132. A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block?
A. IP telephony
B. management
C. multicast
D. physical security
Answer: A
Q133. Which of the following is a result when designing multiple EIGRP autonomous systems within the Enterprise Campus network?
A. Improves scalability by dividing the network using summary routes at AS boundaries
B. Decreases complexity since EIGRP redistribution is automatically handled in the background
C. Reduces the volume of EIGRP queries by limiting them to one EIGRP AS
D. Scaling is improved when a unique AS is run at the Access, Distribution, and Core layers of the network
Answer: A
Q134. A VPN solution requires bulk traffic encryption, low OpEx to add new sites, and the ability to accommodate dynamic tunnels between branch locations. What VPN solution can fulfill these requirements?
A. GETVPN
B. SSL VPN
C. Easy VPN
D. DMVPN
Answer: D
Q135. Which statement about data center access layer design modes is correct?
A. The access layer is the first oversubscription point in a data center design.
B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
Answer: A
Q136. To which network layer should Cisco Express Forwarding be tuned to support load balancing and to make more informed forwarding decisions?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 5
F. Layer 6
G. Layer 7
Answer: D
Q137. Click the Exhibit button.
Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?
A. BFD
B. UDLD
C. RSTP
D. PVST+
Answer: A
Q138. A campus network utilizes EIGRP to connect to.several remote branch offices.
Which configuration should be established on all branch routers to improve routing scalability and performance?
A. Configure authentication between the campus and branch offices.
B. Enable stub routing on all branch routers.
C. Adjust EIGRP k-values to utilize delay.
D. Utilize offset lists to direct traffic more efficiently.
Answer: B
Q139. In base e-Commerce module designs, where should firewall perimeters be placed?
A. core layer
B. Internet boundary
C. aggregation layer
D. aggregation and core layers
E. access and aggregation layers
Answer: A
Q140. Which two options are storage topologies? (Choose two.)
A. WAS
B. DAS
C. CAS
D. NAS
Answer: B,D