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April 21, 2017

Abreast of the times 642-997: Exambible real class from 11 to 20

Q11. Which statement about scalability in Cisco OTV is true? 

A. The control plane avoids flooding by exchanging MAC reachability. 

B. IP-based functionality provides Layer 3 extension over any transport. 

C. Any encapsulation overhead is avoided by using IS-IS. 

D. Unknown unicasts are handled by the authoritative edge device. 




Q13. Which two types of traffic are carried over a vPC peer link when no failure scenarios are present? (Choose two.) 

A. multicast data traffic 

B. unicast data traffic 

C. broadcast data traffic 

D. vPC keep-alive messages 

Answer: AC 

Q14. Which FCoE component is responsible for the encapsulation and de-encapsulation of Fibre Channel frames in Ethernet? 

A. distributed FCF 

B. FCoE node 

C. FCoE logical endpoint 

D. Fibre Channel forwarder 

E. FCoE forwarder 


Q15. When connecting Cisco Nexus 5000 Series Switches to the VMware vCenter Server, which item must be configured before installing the extension keys? 

A. configure vPC 

B. configure DirectPath I/O support in vCenter 

C. configure PTS on the VSM 

D. configure dynamic vNICs 


Q16. Refer to the exhibit. 

Which three statements about the Cisco Nexus 7000 switch are true? (Choose three.) 

A. An emulated switch ID must be unique when the vPC+ feature is used. 

B. Switches with FabricPath and vPC+ consume two switch IDs. 

C. Emulated switch IDs must be numbered from 1 to 99. 

D. Each switch ID must be unique in the FabricPath topology. 

E. Switch IDs must be configured manually. 

Answer: BDE 

Q17. Which two reasons explain why a server on VLAN 10 is unable to join a multicast stream that originates on VLAN 20? (Choose two.) 

A. IGMP snooping and mrouter are not enabled on VLAN 10. 

B. VLAN 20 has no IGMP snooping querier defined and VLAN 10 has no mrouter. 

C. The mrouter on VLAN 20 does not see the PIM join. 

D. The mrouter must be on VLAN 10 and VLAN 20. 

Answer: AC 

Q18. Which of the following Cisco Nexus features is best managed with DCNM-LAN? 


B. Domain parameters 

C. Virtual switches 



Q19. Which statement explains why a Cisco UCS 6200 Fabric Interconnect that is configured in end-host mode is beneficial to the unified fabric network? 

A. There is support for multiple (power of 2) uplinks. 

B. Upstream Layer 2 disjoint networks will remain separated. 

C. The 6200 can connect directly via vPC to a Layer 3 aggregation device. 

D. STP is not required on the uplink ports from the 6200. 


Q20. Between which two types of ports does FIP establish Fibre Channel virtual links? (Choose two.) 

A. VE Ports and VE Ports 

B. N Ports and F Ports 

C. VN Ports and VF Ports 

D. VP Ports and VE Ports 

E. VE Ports and VF Ports 

F. E Ports and E Ports 

Answer: AC 

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