642-996 Exam - Designing Cisco Data Center Unified Fabric (DCUFD)

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Q1. In a geographically diverse data center environment, which high-availability feature allows data centers to simultaneously serve the same content to all sites?

A.HSRP

B.VRRP

C.SLB

D.GSLB

E.FCoE

Answer: D

Q2. When designing a collapsed core data center, which two technologies are used to virtualize the core and aggregation layers? (Choose two.)

A.FCoE

B.LISP

C.HSRP

D.VDC

E.VRF

Answer: DE

Q3. Which three options are benefits of Small Computer System Interface? (Choose three.)

A.SCSI transport protocol that operates over TCP

B.Suitable for data center applications

C.Requires stateful gateway

D.Applicable for smaller environments (small and medium-sized businesses [SMBs])

E.Requires stateless gateway

F.SCSI transport protocol that operates over UDP

Answer: ACD

Q4. Which Cisco Nexus switch offers possibilities for implementation of the virtual switching layer in VMware?

A.Cisco Nexus 5596 Switch

B.Cisco Nexus 7010 Switch

C.Cisco Nexus 1000v Switch

D.Cisco Nexus 2248 FEX

Answer: C

Q5. Which statement about Cisco UCS power cap groups is true?

A.Servers within a single Cisco UCS chassis can be part of the multiple power cap groups.

B.Multiple Cisco UCS chassis cannot be part of a single power cap group.

C.Cisco UCS incorporates power cap information in the service profile associated with a server.

D.Cisco UCS power capping technology can provision power based on theoretical server maximums rather than on actual usage.

Answer: C

Q6. What introduces unique implications into the overall Data Center aggregation layer design? (Choose Three.)

A.High-speed switching fabric with a high forwarding rate

B.Over-subscription values

C.Service Modules

D.IP routing

E.WAN

F.Internet Edge

Answer: ABC

Q7. Refer to the exhibit.

Which technology achieves Layer 2 adjacencies across PoDs and features equal-cost forwarding on all links in topologies like the one shown?

A.vPC+

B.IS-IS level 2

C.multiple spanning-trees

D.FabricPath

Answer: D

Q8. Refer to the exhibit.

Which four options are Cisco best practices that should be included or implemented in the design for resiliency, deterministic behavior, and fast convergence in case of link failures? (Choose four.)

A.Add additional OSPF adjacency between N7K-1 and N7K-2 via dedicated Layer 3 link.

B.Configure vPC peer-gateway in the vPC domain between N7K-1 and N7K-2.

C.Use point-to-point OSPF adjacencies.

D.Place the primary FHRP role on N7K-1.

E.Configure Layer 3 port channels between all N7K devices.

F.N7K-3 and N7K-4 must be the OSPF designated routers.

G.Place the primary FHRP role on N7K-2.

H.All OSPF adjacencies should be between loopback interfaces.

Answer: ABCG

Q9. What is required to allow for FCoE multihop prior to the ratification of FC-BB-6?

A.VN to VF encapsulation

B.FIP snooping

C.FCoE proxy

D.Fibre Channel bridging at FC-2

E.VE to VE tunneling

Answer: B

Q10. Which technology provides the ability to use all links in a LAN topology by providing an active-active path to the upstream switch?

A.STP

B.vPC

C.PVST+

D.RSTP

Answer: B