642-996 Latest Exam (Aug 2018)

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Designing Cisco Data Center Unified Fabric

Question No: 71

Given the requirements, which Cisco Nexus product is Cisco recommended?

A rich feature set that makes it well suited to top-of-rack, middle-of-row, or end-of-row access-layer applications.

Data center racks with standards-based 1 and 10 Gigabit Ethernet and FCoE features, and virtual machine awareness features that allow IT departments to consolidate networks.

A combination of high port density, lossless Ethernet, wire-speed performance, and extremely low latency that makes the switch family well suited to meet the growing demand for 10 Gigabit Ethernet.

A. 1000v

B. 1010

C. 2000

D. 3000

E. 4000

F. 5500

Answer: F

Question No: 72

Which two actions are performed at the aggregation layer? (Choose two.)


route summarization


fast convergence


packet filtering


traffic classification


port security

Answer: A,B

Question No: 73

Assume that a Cisco Nexus 7018 is running with dual Supervisor 2 modules. Which two items are available management access methods to reach the CLI? (Choose two.)

  1. CMP

  2. serial console

  3. SSH

  4. SNMP

  5. CIM

  6. XML API

Answer: B,C

Question No: 74

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

  1. STP

  2. VDC

  3. ISSU

  4. HSRP

Answer: B

Question No: 75

Which two options are benefits of credit-based flow control in a Fibre Channel network? (Choose two.)


sends credit to all of the switchesin a SAN zone


increases the credit limit when the buffer overruns


maximizes performance under high loads


prevents the loss of frames due to buffer overruns


provides automatic buffer scaling under high loads

Answer: D,E Reference:http://icon.clnchina.com.cn/images/UCS_data_path_troubleshooting.pdf(page 12)

Question No: 76

Which two descriptions of what occurs when you use a Cisco Nexus 7000 Series Switch as an

FCoE switch are true? (Choose two.)


You can forward IP traffic from the storageVDC.


You can configure an FCoE port in any VDC.


You can configure an FCoE port to be shared between the storage VDC and one other VDC.


You can use M-Series and F-Series modules in the storage VDC.


You can configure an FCoE port in the storageVDC only.

Answer: B,C

Question No: 77

In the data center architecture, which layer performs load balancing between data centers?

  1. Core layer

  2. Access layer

  3. Aggregation layer

  4. Collapse core

Answer: A

Question No: 78

You are evaluating whether to replace a Cisco Catalyst 6500 Series VSS with Cisco Nexus 5000

Series Switches. Which feature is provided with the Cisco Nexus Switches only?


Layer 2 EtherChannel


Answer: D

Question No: 79

Your customer is designing a new data center and would like the aggregation layer to be able to route and have Layer 3 capability. What Cisco platform will meet this requirement?

  1. Cisco Nexus 1000v-no advantages to this model

  2. Cisco Nexus 5596 without Layer 3 daughter card

  3. Cisco MDS 9506 chassis with supervisor engine

  4. Cisco Nexus 7010 switch with Enterprise Services Package

Answer: D

Question No: 80

Which two options decrease when using a Cisco Unified Fabric Topology as compared to an isolated fabric topology? (Choose two.)

A. the number of cables required to connect to the pod


the cost of data storage


the cost-per-port of the Fibre Channel switches


the power consumption of each pod


the number of uplinks required on the Fibre Channeldirector switches

Answer: D,E

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