300-320 Guide

300-320 Exam Royal Pack (In Stock.)

  • Cisco
  • Exam Number/Code 300-320
  • Product Name ARCH Designing Cisco Network Service Architectures
  • Questions and Answers
  • 395 Q&As
  • Last Updated
  • July 24,2017
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Q51. To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus? 

A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link 

B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link 

C. to two core switches from redundant distribution switches connected with a Layer 2 link 

D. to two core switches from redundant distribution switches connected with a Layer 3 link 

E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO 


Q52. Which option is used as a top-of-rack device that is managed by its parent device, providing ease of management? 

A. Cisco Nexus 2000 

B. Cisco Nexus 5000 

C. Cisco Nexus 7000 

D. Cisco Nexus 9000 


Q53. Which of the following is true regarding the effect of EIGRP queries on the network design? 

A. EIGRP queries will be the most significant issue with respect to stability and convergence 

B. EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a next hop AD that is greater than the FD of the current successor route 

C. EIGRP queries will only increase the convergence time when there are no EIGRP stubs designed in the network 


Q54. Given the addresses and, which option is the best summary? 






Q55. Which three of these Metro service types map to E-Line (versus E-LAN) services that are defined by the Metro Ethernet Forum (MEF)? (Choose three.) 

A. Ethernet Private Line 

B. Ethernet Wire Service 

C. Ethernet Relay Service 

D. Ethernet Multipoint Service 

E. Ethernet Relay Multipoint Service 

Answer: A,B,C 

Q56. A company uses site-to-site IPsec VPN tunnels established over the public internet as a backup to its private WAN. The interoffice IP telephony service quality is degraded when a failover event occurs. What known design limitation can cause this issue? 

A. maximum headend router throughput 

B. circuit bandwidth 

C. transport reliability 

D. number of remote sites 


Q57. 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. 


Q58. What three benefits exist when utilizing Cisco Nexus technology for implementing a unified fabric design? (Choose three.) 

A. reduced cabling 

B. fewer adapters 

C. consolidated switching 

D. increased bandwidth 

E. enhanced redundancy 

F. improved convergence 

Answer: A,B,C 

Q59. 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. 

Answer: A,B 

Q60. Which of these is a recommended practice with trunks? 

A. use ISL encapsulation 

B. use 802.1q encapsulation 

C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation 

D. use VTP server mode to support dynamic propagation of VLAN information across the network 


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