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Q21. What is the maximum number of routers that each OSPF area (including the backbone) should contain?
A. 30
B. 10
C. 50
D. 100
Answer: C
Q22. Which protocol is best when there are circuit connections with two different ISPs in a multihoming scenario?
A. VRRP
B. BGP
C. IPsec
D. SSL
Answer: B
Q23. Which Cisco feature can be run on a Cisco router that terminates a WAN connection, to gather and provide WAN circuit information that helps switchover to dynamically back up the WAN circuit?
A. Cisco Express Forwarding
B. IP SLA
C. passive interface
D. traffic shaping
Answer: B
Q24. 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
Answer: A
Q25. Which technology allows network managers to centrally manage the VLAN database?
A. VTP
B. VLAN
C. VSS
D. vPC
Answer: A
Q26. Private lines make use of which connection type based on cell switching?
A. ATM
B. ISP MPLS VPN
C. VTI
D. VPLS
Answer: A
Q27. A network engineer is implementing virtualization into the enterprise network. Which system should be used to address policy enforcement at the distribution layer?
A. Cisco IOS based firewall
B. multilayer switches
C. integrated firewall services
D. identity services engine
E. intrusion protection systems
Answer: C
Q28. Refer to the exhibit.
The Cisco Nexus 1000V in the VMware vSphere solution effectively creates an additional access layer in the virtualized data center network; which of the following 1000V characteristics can the designer take advantage of?
A. Offloads the STP requirement from the external Access layer switches
B. If upstream access switches do not support vPC or VSS the dual-homed ESX host traffic can still be distributed using virtual port channel host mode using subgroups automatically discovered through CDP
C. Allows transit traffic to be forwarded through the ESX host between VMNICs
D. Can be divided into multiple virtual device contexts for service integration, enhanced
security, administrative boundaries, and flexibility of deployment
Answer: B
Q29. 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
Q30. 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.
Answer: B