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Q31. Which IGP provides the fastest convergence by default? 

A. EIGRP 

B. OSPF 

C. IS-IS 

D. RSTP 

E. BGP 

Answer: A 


Q32. Which option is a benefit of the modular approach to network design? 

A. higher availability 

B. repeatable scalability 

C. increased security 

D. improved resiliency 

Answer: B 


Q33. What technology can secure data over an insecure medium and provide WAN redundancy in the event of a primary connection failure? 

A. virtual private network 

B. shadow PVC 

C. dial-up ISDN 

D. GRE Tunnel 

Answer: A 


Q34. Which Gigabit Ethernet media type provides the longest reach without a repeater? 

A. 1000Base-CX 

B. 1000Base-LX 

C. 1000Base-SX 

D. 1000Base-T 

Answer: B 


Q35. Refer to the exhibit. 

Which statement accurately represents the characteristics of the core layer in this design? 

A. QoS should only be performed only in the core. 

B. Load balancing should never be implemented or used. 

C. Access lists should be used in the core to perform packet manipulation. 

D. Partial mesh should be used as long as it is connected to each device by multiple paths. 

E. Policy-based traffic control should be implemented to enable prioritization and ensure the best performance for all time-critical applications. 

Answer: D 


Q36. Which two can be used as a branch office WAN solution? (Choose two.) 

A. frame relay 

B. MPLS 

C. Metro Ethernet 

D. GPRS 

E. dial-up modem 

F. 3G USB modems 

Answer: B,C 

Explanation: Explanation Frame relay is old 'shared' technology today's sites use some flavor or Metro E or MPLS/VPN 


Q37. In which network location should an external DNS server be placed? 

A. campus data center 

B. enterprise branch 

C. internet 

D. remote access 

Answer: C 


Q38. The evolution of the Data Center is best represented by the 3.0 architecture component of virtualization. Which of the following is not an example of the virtualization taking place in the Data Center? 

A. Virtualized media access utilizing Fiber Channel over Ethernet 

B. VLANs and virtual storage area networks (VSANs) provide for virtualized LAN and SAN connectivity, separating physical networks and equipment into virtual entities 

C. Virtual Machines that run an application within the client operating system, which is further virtualized and running on common hardware 

D. Storage devices virtualized into storage pools, and network devices are virtualized using device contexts 

Answer: A 


Q39. What are three key areas that need to be considered when designing a remote data center? (Choose three.) 

A. power diversity 

B. active directory services 

C. Cisco IOS versions 

D. data storage 

E. applications 

F. user access 

G. packet routing 

Answer: A,D,E 


Q40. With deterministic Wireless LAN Controller redundancy design, the different options available to the designer have their own strengths. Which one of these statements is an example of such a strength? 

A. Dynamic load balancing, or salt-and-pepper access point design, avoids the potential impact of oversubscription on aggregate network performance. 

B. N+N redundancy configuration allows logically grouping access points on controllers to minimize intercontroller roaming events. 

C. N+N+1 redundancy configuration has the least impact to system management because all of the controllers are colocated in an NOC or data center. 

D. N+1 redundancy configuration uses Layer 3 intercontroller roaming, maintaining traffic on the same subnet for more efficiency. 

Answer: B 

Explanation: With such an arrangement there is no complex mesh of access points & controllers. Link: http://www.cisco.com/web/learning/le31/le46/cln/qlm/CCDA/design/understanding-wireless-network-controller-technology-3/player.html 

N+N WLC Redundancy With N+N redundancy, shown in Figure 5-14. an equal number of controllers hack up each other. For example, a pair of WLCs on one floor serves as a backup to a second pair on another floor. The top WLC is primary for API and AP2 and secondary for AP3 and AP4. The bottom WLC is primary for AP3 and AP4 and secondary for API and AP2. There should be enough capacity on each controller to manage a failover situation. 

N+N+1 WLC Redundancy 

With N+N+1 redundancy, shown in Figure 5-15, an equal number of controllers back up each other (as with N+N), plus a backup WLC is configured as the tertiary WLC for the APs. N+N+1 redundancy functions the same as N+N redundancy plus a tertiary controller that backs up the secondary controllers. The tertiary WLC is placed in the data center or network operations center