300-320 Exam - ARCH Designing Cisco Network Service Architectures

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New Cisco 300-320 Exam Dumps Collection (Question 9 - Question 18)

Q9. Which part of the Layer 3 header is used to identify a flow in NetFlow but it is not used for NBAR?

A. source port

B. ToS

C. protocol type

D. source IP

Answer: B


Q10. Which statement is the most accurate regarding IPsec VPN design for an Enterprise Campus environment?

A. VPN device IP addressing must align with the existing Campus addressing scheme.

B. The choice of a hub-and-spoke or meshed topology ultimately depends on the number of remotes.

C. Sizing and selection of the IPsec VPN headend devices is most affected by the throughput bandwidth requirements for the remote offices and home worker

D. Scaling considerations such as headend configuration, routing protocol choice, and topology have the broadest impact on the design.

Answer: D


Q11. Which option is a primary requirement for the deployment of an IPv6-enabled network via the native method (dual-stack model) within the enterprise campus environment?

A. Hardware-based switching support for IPv6 forwarding on all campus switches

B. Restriction of IPv6-enabled devices to the core layer

C. Manual implementation of tunneling between IPv6-incompatible devices in an IPv4-over- IPv6 tunnel

D. Disabling of multicast in the distribution layer prior to implementation of IPv6

Answer: A


Q12. Which three options are the three layers of the Cisco design in the data center architecture? (Choose three.)

A. core layer

B. distribution layer

C. service layer

D. aggregation layer

E. Layer 2 domain sizing

F. access layer

Answer: A,D,F


Q13. Which three options are benefits of using VRFs within an enterprise network? (Choose three.)

A. simplifies configuration and troubleshooting

B. enables partitioning of network resources

C. enhances security between user groups

D. provides additional redundancy at Layer 3

E. allows for routing and forwarding separation

F. improves routing protocol convergence

Answer: B,C,E


Q14. Which network virtualization plane is used to separate traffic forwarding tables?

A. control

B. data

C. management

D. Access

Answer: B


Q15. Which two statements correctly identify considerations to take into account when deciding on Campus QoS Design elements? (Choose two.)

A. Voice needs to be assigned to the hardware priority queue.

B. Voice needs to be assigned to the software priority queue.

C. Call signaling must have guaranteed bandwidth service.

D. Strict-priority queuing should be limited to 50 percent of the capacity of the link.

E. At least 33 percent of the link bandwidth should be reserved for default best-effort class.

Answer: A,C


Q16. Which three options are basic design principles of the Cisco Nexus 7000 Series for data center virtualization? (Choose three.)

A. easy management

B. infrastructure scalability

C. cost minimization

D. upgrade of technology

E. transport flexibility

F. operational continuity

Answer: B,E,F


Q17. Refer to the exhibit.

Which option should be the default gateway for the PC1 that is shown?

A. 10.3.2.4

B. 10.2.2.2

C. 10.2.2.1

D. 10.2.2.3

Answer: A


Q18. Which two protocol characteristics should be most considered when designing a single unified fabric for the Data Center? (Choose two.)

A. FCIP or FCoE allow for easier integration by using the Fibre Channel Protocol (FCP) and Fibre Channel framing

B. iSCSI uses a special EtherType and an additional header containing additional control information

C. FCIP and iSCSI has higher overhead than FCoE owing to TCP/IP

D. FCoE was initially developed to be used as a switch-to-switch protocol, while FCIP is primarily meant to be used as an access layer protocol to connect hosts and storage to a Fibre Channel SAN

E. FCoE requires gateway functionality to integrate into an existing Fibre Channel network

Answer: A,C


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