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2017 Nov Cisco Official New Released 642-996
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Designing Cisco Data Center Unified Fabric

Question No: 41

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Which item represents a hardware requirement on the Cisco MDS 9500 Series Director to achieve Fibre Channel connectivity with the Cisco Nexus 7000 Series data center switch? (Choose one.)

  1. Cisco MDS 9000 Family 48-Port 8-Gbps Advanced Fibre Channel Switching Module

  2. Cisco MDS 9000 Family 4-Port 10-Gbps Fibre Channel Switching Module

  3. Cisco MDS 9000 16-Port Storage Services Node

  4. Cisco MDS 9000 10-Gbps 8-Port FCoE Module

Answer: D

Question No: 42

What is one required component to run FCoE?

  1. iSCSI gateway

  2. Fibre Channel adapter

  3. HBA

  4. Converged network adaptors

Answer: D

Question No: 43

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

  1. VN to VF encapsulation

  2. FIP snooping

  3. FCoE proxy

  4. Fibre Channel bridging at FC-2

  5. VE to VE tunneling

Answer: B

Question No: 44

Refer to the exhibit.

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

  1. vPC

  2. IS-IS level 2

  3. multiple spanning-trees

  4. FabricPath

Answer: D

Question No: 45

Which design will reduce cable count and maintain all cables within a rack?

  1. Top-of-Rack design

  2. Middle-of-Row design

  3. End-of-Row design

  4. End-of-Rack design

Answer: A

Question No: 46

Which statement about VLANs configured in FabricPath mode on a Cisco Nexus 7000 switch is true?

  1. They use classical MAC learning by default.

  2. FabricPath VLANs requires 802.1Q trunks for forwarding.

  3. VLANs configured for FabricPath can exist only on F-Series line cards.

  4. The forwarding engine uses any M-Series line cards present in the switch for MAC proxy forwarding.

Answer: C

Question No: 47

Which Cisco product meets the LAN extension cryptography requirement in OTV over Dark Fiber scenario?

A.

IronPort

B.

Cisco TrustSec

C. VSG D.

Zone-Based Firewall

Answer: C

Question No: 48

What is one example of a business requirement that drives the design of a newly installed data center?

  1. power

  2. cooling

  3. resource utilization and provisioning

  4. global availability

Answer: D

Question No: 49

Which four statements about Cisco Overlay Transport Virtualization are true? (Choose four.)

  1. OTV is a quot;MAC in IPquot; technique for supporting Layer 2 VLANs over any transport.

  2. OTV is not a public standard, even though the technology is based on standardized protocols.

  3. OTV is public standard because the technology is based on standardized protocols.

  4. OTV is supported on all M-Series modules of Cisco Nexus 7000.

  5. OTV is core and site transparent. Changes to the Layer 2 design of the sites are needed.

  6. OTV enables the network administrator to statically map MAC addresses to IP addresses.

  7. OTV cannot support multiple concurrent overlays.

  8. OTV supports Catalyst 6500.

Answer: A,B,D,F

Question No: 50

Which two devices would you recommend to implement at the EoR in your data center design for access layer connectivity? (Choose two.)

  1. Cisco Nexus 2000 Series

  2. Cisco Nexus 7000 Series

  3. Cisco Nexus 4000 Series

  4. Cisco Nexus 5500 Series

  5. Cisco Nexus 3000 Series

Answer: B,D

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