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Q21. Which option is an advanced WAN services design consideration for a multipoint architecture that connects two or more customer devices using Ethernet bridging techniques over an MPLS network? 


B. Metro Ethernet 




Q22. An engineer is designing a new data center network so that the topology maintains fewer uplinks to the aggregation layer to reduce STP processing requirements. What data center topology meets the RFP requirements? 

A. mesh 

B. top of rack 

C. star 

D. end of row 


Q23. CoS is applied for Layer 2 markings in an Ethernet environment. Which protocol must be configured on the Layer 2 switch port for CoS to work? 


B. IEEE 802.1W 

C. IEEE 802.1Q 

D. IEEE 802.1S 


Q24. What is an advantage of having an out-of-band management? 

A. It is less expensive to have an out-of-band management. 

B. Network devices can still be managed, even in case of network outage. 

C. There is no separation between the production network and the management network. 

D. SSH protocol must be used to manage network devices. 


Q25. Which option is the Cisco recommendation for data oversubscription for access ports on the access-to-distribution uplink? 

A. 4 to 1 

B. 20 to 1 

C. 16 to 1 

D. 10 to 1 


Q26. What is the next action taken by the Cisco NAC Appliance after it identifies a vulnerability on a client device? 

A. denies the client network resource access 

B. repairs the effected devices 

C. generates a Syslog message 

D. permits the client but limits to guest access 


Q27. Which option maximizes EIGRP scalability? 

A. route redistribution 

B. route redundancy 

C. route filtering 

D. route summarization 


Q28. Which of the following two are effective and simple means of employing route summarization within the Enterprise Campus network? (Choose two) 

A. A default route ( /0) advertised dynamically into the rest of the network 

B. Route filtering to manage traffic flows in the network, avoid inappropriate transit traffic through remote nodes, and provide a defense against inaccurate or inappropriate routing updates 

C. Use manual split horizon 

D. Use a structured hierarchical topology to control the propagation of EIGRP queries 

E. Open Shortest Path First (OSPF) stub areas 

Answer: A,E 

Q29. A network engineer must provide 40mb connections from the data center to the corporate office and two remote offices. What WAN connectivity option will outsource the routing in cooperation with the service provider? 

A. Ethernet Private Line 

B. Ethernet Multipoint Service 




Q30. Which security feature can help prevent spoofed packets on the network? 

A. uRPF 

B. ACLs 


D. DHCP spoofing