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Designing Cisco Data Center Unified Fabric

Question No: 101

Which two characteristics are associated with the core layer of a Data Center Unified Fabric network? (Choose two.)

  1. no packet manipulation

  2. QoS-policing

  3. voice, data, and wireless convergence

  4. scalable routing protocols like OSPF

  5. Layer 2 default gateway redundancy

  6. QoS-classification and queuing

Answer: A,D

Question No: 102

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

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.)

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

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

  3. Use point-to-point OSPF adjacencies.

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

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

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

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

  8. All OSPF adjacencies should be between loopback interfaces.

Answer: A,B,C,G

Question No: 103

A client#39;s Cisco network support team has concerns that the security policy may not be correctly enforced within the vNetwork Distributed Switches that form the virtual network edge. What is the Cisco recommended solution to alleviate these concerns?

  1. Direct all logs from vCenter to the network support teams TACACS server.

  2. Deploy Cisco Nexus 1000v.

  3. Create a vCenter admin account for the network support team.

  4. Run VMware update manager to apply all security updates.

  5. Replace the Distributed vSwitches with Standard vSwitches.

Answer: B

Question No: 104

The classical access layer has its limitations due to a high value in which of the following items?

  1. oversubscription

  2. jitter

  3. cost

  4. 10 Gigabit Ethernet links

Answer: A

Question No: 105

Refer to the exhibit.

Dumps4Cert 2017 PDF and VCE

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

  1. Layer 2 switched within N2K1

  2. Layer 2 switched within N5K1

  3. Layer 2 switched within N7K1

  4. Layer 3 routed within N5K1

  5. Layer 3 routed within N7K1

  6. Layer 2 switched with the vSwitch

Answer: B

Question No: 106

Which access layer technology will provide redundancy if there is a link failure on a server link?

  1. VDC

  2. MPLS

  3. vPC

  4. Cisco OTV

Answer: C

Question No: 107

You are planning to build a new SAN network that will have 25 4-Gbps host ports and two 8-Gbps storage uplink ports. Which option is the oversubscription ratio on a Cisco MDS switch?

A.

7:1

B.

6:1

C. 10:3 D.

5:3

E.

4:1

Answer: B

Question No: 108

Cisco VM-FEX technology extends Cisco Fabric Extender technology to the virtual machine that eliminates which of the following?

  1. The dedicated interface on the parent switch is eliminated.

  2. The software-based switch in the hypervisor is eliminated.

  3. All virtual machine traffic is eliminated.

  4. The need for a physical switch is eliminated.

Answer: B

Question No: 109

You use Dynamic ARP Inspection on data center switches Which two options can the switches use to perform ARP validation? (Choose two )

A.

syslog

B.

a 802.1x user authentication database

C.

access control lists configured on each switch port

D.

astatic ARP access list

E.

a DHCP binding database

Answer: C,E Reference:http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/releas e/12-

2_55_se/configuration/guide/scg_2960/swdynarp.html#pgfId-1039854

Question No: 110

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

  1. Cisco Adapter FEX is only supported on vSwitch.

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

  3. Cisco Adapter FEX does not provide architectural flexibility.

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

Answer: B

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