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March 20, 2018

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Q121. Which algorithm does IS-IS use to determine the shortest path through a network? 

A. Bellman-Ford routing algorithm 

B. Johnson's.algorithm 

C. Dijkstra's algorithm 

D. Floyd-Warshall algorithm 


Q122. 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 



Q124. On which two types of links should routing protocol peerings be established according to best practice? (Choose two.) 

A. distribution links 

B. end user links 

C. transit links 

D. core links 

Answer: C,D 

Q125. A network administrator wants to provide high availability in a data center environment by making sure that there is no reconvergence of Layer 2 and Layer 3 protocols when there is a Layer 3 switch failure..Which Cisco Nexus feature fulfills this purpose? 



C. vPC 



Q126. Which of the following should the Enterprise Campus network designer consider with respect to Video traffic? 

A. While it is expected that the sum of all forms of video traffic will grow to over 90% by 2013, the Enterprise will be spared this rapid adoption of video by consumers through a traditional top-down approach 

B. Avoid bandwidth starvation due to video traffic by preventing and controlling the wide adoption of unsupported video applications 

C. Which traffic model is in use, the flow direction for the traffic streams between the application components, and the traffic trends for each video application 

D. Streaming video applications are sensitive to delay while interactive video applications, using TCP as the underlying transport, are fairly tolerant of delay and jitter 


Q127. What is an advantage of using the Virtual Device Contexts feature in a data center environment? 

A. The same VLAN cannot be configured in separate Virtual Device Contexts. 

B. This feature provides fault domain separation. 

C. Supervisor modules are shared between Virtual Device Contexts. 

D. Fabric modules are shared between Virtual Device Contexts. 


Q128. Which three statements about Network Attached Storage are correct? (Choose three.) 

A. Data is accessed using NFS or CIFS. 

B. Data is accessed at the block level. 

C. NAS is referred to as captive storage. 

D. Storage devices can be shared between servers. 

E. A NAS implementation is not as fast as a DAS implementation. 

Answer: A,D,E 



Q130. In what situation must spanning-tree be implemented? 

A. when first hop redundancy protocol exists with redundant Layer 2 links between distribution switches 

B. when a VLAN spans access layer switches to support business applications 

C. when trunks need to extend multiple VLANs across access switches 

D. when it is necessary to speed up network convergence in case of link failure 


Q131. Which option describes why duplicate IP addresses reside on the same network in Cisco network design? 

A. HSRP designed network 

B. using Cisco ACE in active/passive mode 

C. VRRP designed network 

D. running multiple routing protocols 


Q132. What network storage protocol uses a connection standard incompatible with shared 10Gb Ethernet physical connection? 



C. FC 




Q133. Which option provides software modularity in Cisco NX-OS software in the data center design? 

A. The ip routing command enables all of the features in the Cisco NX-OS. 

B. All of the features are enabled by default in the Cisco NX-OS. 

C. Individual features must be manually enabled to start the process. 

D. The Cisco NX-OS has a management VRF that is enabled by default. 


Q134. Which three Layer 2 access designs have all of their uplinks in an active state? (Choose three.) 

A. Flex Links 

B. loop-free U 

C. looped square 

D. looped triangle 

E. loop-free inverted U 

Answer: B,C,E 

Q135. A company uses BGP to connect with the ISP on the enterprise network and wants to improve performance due to the increasing number of iBGP peers. Which two design solutions address the iBGP full mesh requirement? (Choose two.) 

A. route reflectors 

B. confederations 

C. AS path prepending 

D. communities 

E. conditional advertising 

Answer: A,B