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Designing Cisco Data Center Unified Fabric (DCUFD) Certification Exam

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December 3, 2024Last update

Cisco 642-996 Free Practice Questions

Q1. What is the most common design requirement when creating a data center solution?

A.high availability with disaster recovery

B.multicore CPU servers

C.traffic inspection for inbound traffic

D.virtualization of network resources

Answer: A

Q2. Refer to the exhibit.

Customer would like to utilize Cisco Nexus7000 series switches as converged Ethernet aggregation and SAN core switch in their new data center design. The switch can be connected to a Cisco MDS 9500 Series switch in a three-tier edge-core-edge SAN design as shown in the exhibit. Which technology makes this type of design possible?

A.FC forwarding

B.Multi-hop FCoE

C.iSCSI gateway to increase network bandwidth

D.vPC+

E.NAS gateway at the aggregation layer

Answer: B

Q3. Which of the following is true with respect to Cisco Adapter FEX?

A.Cisco Adapter FEX is only supported on vSwitch.

B.Cisco Adapter FEX enables the server adapter to be logically partitioned into multiple vNICs.

C.Cisco Adapter FEX does not provide architectural flexibility.

D.Cisco Adapter FEX increases the number of cables in the data center.

Answer: B

Q4. Which physical data center design will reduce cabling and keep all of the cables within a rack?

A. ToR design

A.EoR design

B.ILR design

Answer: A

Q5. Which technologies will be found in a data center that is designed for Cisco equipment?

A.NPV

B.NPIV

C.VSAN

D.FCoE

Answer: C

Q6. Classical aggregation layer designs do not provide isolation of the control and data planes. What provides a solution to this limitation?

A.STP

B.VDC

C.ISSU

D.HSRP

Answer: B

Q7. 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

Q8. Which Cisco UCS Fabric Extender provides up to 160 Gbps of bandwidth to the Cisco UCS chassis?

A.UCS 2208XP

B.UCS 2204XP

C.UCS 2104XP

D.UCS 2108XP

Answer: A

Q9. Which two traffic flows are primarily part of the aggregation layer? (Choose two.)

A.core layer to access layer

B.access layer to core layer

C.access layer to access layer

D.aggregation layer to access layer

E.core layer to core layer

F.core to aggregation layer

Answer: AC

Q10. Access layer switches are located as which type of design to provide network connectivity to servers that are installed in rack?

A.ToR design

B.MoR design

C.EoR design

D.ILR

Answer: A

Q11. Select two items that represent features of the Access layer in the Data Center 3-layer design. (Choose two)

A.High-speed Layer 3 switching

B.First-Hop Routing Protocols

C.Demarcation point between static and dynamic routing protocols

D.QoS Marking

E.802.1X

Answer: DE

Q12. After a recent acquisition, you have been asked to merge two SANs into one. Which SAN topology is Cisco recommended?

A.Core-Edge

B.Edge-Core-Edge

C.Core Access

D.Collapsed Core

E.Collapsed Core-Edge

Answer: B

Q13. Which type of 40 Gigabit Ethernet optics should be used for interconnect when the number of multimode fiber strands used should be kept as low as possible?

A.40GBASE-SR4

B.40GBASE-LR4-Lite

C.40GBASE-SR-BiDi

D.40GBASE-CR4

Answer: C

Q14. What is one of the benefits within a Cisco Data Center Network Manager (DCNM)?

A. supports software upgrade and downgrade on the Nexus 1000

A.supports VDC management on the Nexus 5000

B.supports configuration backup and restore on the Nexus 1000

Answer: B

Q15. Refer to the exhibit.

Server 1 has a significant amount of East/West communication with server 2. How will this traffic be handled?

A.Layer 2 switched within N2K1

B.Layer 2 switched within N5K1

C.Layer 2 switched within N7K1

D.Layer 3 routed within N5K1

E.Layer 3 routed within N7K1

F.Layer 2 switched with the vSwitch

Answer: B

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